User agent string. It has a huge database of .

User agent string 8. Home | List of User Agent Strings | Links | API | Opera Mini User Agent Strings Opera Mini Opera browser for moblile phones. Depending on browser you would also get additional information. 15-b917dc User-Agent: Tsom/OfraHaza (Life is short and love is always over in the morning) AnotherProduct User agent is a string sent to the web server along with the request and describes the type and version of your browser, operating system, and other information. In user agent strings or user agent headers, the most important information is provided first. You may need to . Restricting Device Categories. User agent string example. The User-Agent string contains information about the browser, app, operating system, device and software used by What is my user agent? A user agent is the string which describes platform, operating system and browser. 3770. UserAgentString. This answer is for . You can make important decisions on how to handle web traffic based on the User-Agent string, ranging from simple segmentation and redirection, to more complex content adaptation and device targeting The User-Agent string is a string that you have to decipher and parse to get version information. user-agent user-agent-string user For example, AdsBot ignores the global robots. NET Framework, not . A cadeia de caracteres UA do Firefox é quebrada em 4 componentes: Mozilla/5. Mozilla/5. For these browsers the format of the user agent string is: Mozilla/[version> ([system and browser information]) [platform] ([platform details]) [extensions] Since Opera, who were the last to adapt to this standard, also The User-Agent header is not forbidden anymore: The User-Agent header is no longer forbidden, as per spec — see forbidden header name list (this was implemented in Firefox 43) — it can now be set in a Fetch Headers object, or with the setRequestHeader() method of XMLHttpRequest. Add a comment | When you visit a webpage, your browser sends the user-agent string to the server hosting the site that you are visiting. Apple's Safari web browser runs on mobile devices (iPhones, iPads and iPod Touches) and macOS computers. Just made lot of tests and on one server I found out that website was working, on other server it wasn't. You can copy and paste any user agent string and get an analysis of its components, or browse a list of user agent strings from Find out your user agent string, browser, opera system, device and more with this tool. Content negotiation relies on several fields, but perhaps the most easily recognized is the user agent string. Could you please provide the user Agent string of IE11 on windows 10. After all, the Internet was about promoting computer usage Modify CordovaWebView user agent string in android 4. You can also browse the list of user agents by product tokens, comments, The weird looking string of text (above) is your user agent. Change UserAgentString with Selenium Chrome. You will have to manually add a user-agent string here. 2; en-us; SCH-I800 Build/FROYO) AppleWebKit/533. Currently, when I inspect my requests, the UA string is: Mozilla/5. 149. Use this tool to parse user agents by browser, OS, platform, hardware, software type and layout engine. Here is a list of all the user-agents. Browser Detection API; Check if your visitor's web browser is up to date; Web Browser Version Numbers API; Search the user agent database; API use cases; Usage. 0 is the general token that says that the browser is Mozilla-compatible. 36 was added for historic reasons, where Actually I didn't find a way to force programmatically browsers User agent string (this was the original question). 63 is your browser. It is possible to set user-agent string for a single window; you can User agent examples. 1 Mobile/15E148 Safari/605. It requests web pages through the company's servers, which process and compress them before relaying the pages back to the The User Agent String Decoder is a top choice for looking up user agent strings. 0 is the general token that says the browser is Mozilla compatible, and is common to almost every Understand what information is contained in a user agent string. By passing an object as a filter, each corresponding user agent property will be restricted based on its values. [1] This includes all web browsers, such as Google Chrome and Safari, some email clients, standalone download managers like youtube-dl, and other command-line utilities like cURL. As online privacy awareness increases, there's a need to either abandon its usage or make it less identifiable. Com . e. 4,031 16 16 gold badges 50 50 silver badges 74 74 bronze badges. Sounds simple but messy at the Find lists of user agent strings from browsers, crawlers, spiders, bots, validators and others. 1 Mobile/9B179 Safari/7534. Of course this requires using a device detection solution which translates UA strings into understandable software and hardware information. Learn what a user agent is and how it helps websites and applications to customize behavior and Learn what the User-Agent header is, how it identifies the browser, operating system, and version of the requesting user agent, and how to parse it. But repaired website with 0 code. When you connect to a website, you are sending your User-Agent in a field in your HTTP header. +1 Bonus script to scrape :) python user-agent honeypot scraping user-agent-string. txt user agent (*) with the ad publisher's permission. These strings are specific for each browser. How to change useragent-string in runtime chromedriver selenium. 0 (iPhone; CPU iPhone OS 15_1_1 like Mac OS X) AppleWebKit/605. User Agent Switcher. 13, and the user agent string was a complete mess, and However, parsing user agent strings can be challenging due to their complex structure and varied nature. Web Custom UserAgent String is an extension that enables you to easily change your browser's user-agent by adding site-specific user-agent strings from the Options page. Here you can find the latest user agents for some of the most Understand what information is contained in a user agent string. 4. User-Agent(UA) String Examples. I have the string already, I just need something that will chop it up and give me at least browser/ver/os. Star 220. It is a fixed string between two semicolons, in the comment part of the User Agent. A tool to parse and display the User-Agent string of any HTTP request. Commented Apr 10, 2019 at 17:06. Android - Default user agent for URLConnection? 7. For example, using a mobile browser’s user agent string if you are scraping a website optimized for mobile devices. 87 Safari/537. Therefore, it is important to combine device platform with Microsoft Intune device compliance policies or as part of a block statement. 15-b917dc User-Agent: MyProduct Foobar/2021. 30. These use cases were actually anticipated by Tim Berners Lee and the original authors of the HTTP specification in the early 1990s. Check the Options page for more info. In practice, User-Agent strings can vary in length, but they are typically not excessively long. Follow asked Jul 23, 2015 at 19:01. A default UA string looks like this: Mozilla/[version] ([system and browser information]) [platform] ([platform details]) [extensions] That displays the browser version, the platform you’re accessing the website on, and more data. Updated at: Mar 23, 2022. Sites not accepting wget user agent header. Google's Change User-Agent Setting of Edge. Reference: Google Crawlers - Includes User agent "tokens" (to be used in robots. Add a comment | 3 Answers Sorted by: Reset to default 25 . internet-explorer-11; Share. 46 (KHTML, like Gecko) Version/5. Its user agent string was NCSA_Mosaic/2. As a User-Agent header's value is comprised of arbitrary product and comment strings, these are all valid User-Agent headers: User-Agent: Foobar User-Agent: Foobar/2021. As strange as I find this, I have not been able to find a good PHP function anywhere which will do an intelligent parse of a user agent string? Googled it for about 20 minutes now. The user agent is used by the server to identify the HTTP client connecting to it. Wherever possible, Microsoft recommends minimizing use of Microsoft Edge browser detection logic based on the User-Agent string. Press Ctrl+Shift+P (Windows, Linux) or Command+Shift+P (macOS) to open the Command Menu. 36 is the platform used by your browser. 1 (KHTML, like Gecko) Version/4. This information can be used by the server to determine how to handle the request and what content to serve. There are three directives including the For each user-agent string, you can either delete or disable it for future use. 0. Depending on which platform you're using (or want to A user-agent is an HTTP request header string identifying browsers, applications, or operating systems that connect to the server. Is there a better way to get the info I need other than the User-Agent string? I would not say it is a better or worse way, but another way to detect user agents is the client-side use of JavaScript to collect informations about the User-Agent and submitting it via hidden HTML inputs or XmlHttpRequest to your backend. 15 (KHTML, like Gecko) Version/15. Web browsers include the user agent string in the requests they make to websites. com, it seems that your best bet is to look for the string "Mac OS X" (yes, even after name changes to "OS X" and "macOS") as that seems to be included in the user-agent string for iPad OS and most Web browsers use a User-Agent string value as follows: Mozilla/[version] ([system and browser information]) [platform] ([platform details]) [extensions]. 36 (KHTML, like Gecko) Chrome/56. All web browers provide The user agent string format is currently specified by section 10. For example: Select Edit and preview results to get a preview of the types of activities that would be returned with your current selection. We used to provide a number of different variations of the Chrome user agent for each platform, however with A User Agent is a short string that web browsers and other applications send to identify themselves to web servers. Both of them change "User-Agent" string in the HTTP header. This string often identifies the browser, its version number, and its host operating The user agent string that was associated along with it was Mosaic/2. AppleWebKit/537. Browser Detection API; Check if your visitor's web browser is up to date; Web Browser Version Numbers API; Search the user agent database; API use cases; API documentation; What is a User Agent? Updated at: Jun 25, 2024. – Robin Maben. With this extension, you can quickly and easily switch Example from 2020: I'm using the user-agent string to detect if the user is running Windows 7, and if they are, my blog post about upgrading to Linux will adjust its text accordingly. Custom UserAgent String is an extension that enables you to easily change your browser's user-agent by adding site-specific user-agent strings from the Options page. Safari/537. The browser then sends request headers to the server immediately. User Agent Override is located under Advanced Options, both on the Dashboard and in the Page Settings of the GTmetrix Report. Even more information, such as device model, screen resolution, CPU and storage capacity can be An enormous, categorised list of user agents, as well as a form to parse user agents to see what they mean. Learn how to decode any user agent string sent by your web browser or other software. The web server can use this information to serve different web pages or just collect visitor The page Tech Blog (wh): Most Common User Agents reflects the user-agent property of your current browser in section "Your user agent is:", which can be applied to set the request property "User-Agent" of a java. Some suggest that it’s statically assigned in a popular open source password brute-forcing tool called Hydra, while others believe it represents outdated Outlook Mobile clients or is directly linked to a botnet I've got an old IE adapted site using a grid component which refuses to work with anything but IE 11 using IE 9 user agent string mode (i. 1 NAVER(inapp; search; 1000; 11. User agent strings can come in many different forms depending on the combinations of software being used. 0 (Linux; U; Android 2. Updated for 2023 - The standard way to pass information to the server about the visiting device is to include it in the User-Agent (UA) string. 44. Hilarious 'History of the browser user-agent string' What is the default User-Agent string from an android native app? 0. Follow edited Jun 20, 2020 at 9:12. Commented Aug 13, 2013 at 12:45. Head over to the User-Agent Tester and paste the User-Agent string. Build numbers and device models. An attacker might use a User-Agent string that hasn’t been observed in your In the world of the web, every browser or client communicating with a server introduces itself through a user-agent string. See examp The most common useragents list is compiled from the user logs data of a number of popular sites across niches and geography, cleansed (bots removed), and enriched with UserAgents. – JustLooking. NET runtime versions. Web servers pitched in to observe Mozilla’s user agent and The latest user agents for Chrome. If you're using requests v2. We've created an always up to date list of the latest user agents for all the popular web browsers; you can find it in this section of the site. 13 (KHTML, like Gecko) Chrome/0. If you have a good reason to detect the browser, the Microsoft Edge team recommends using User-Agent Client Hints as the primary For list of user-agent strings, look up here. The HTTP User-Agent request header, also commonly referred to as the User-Agent String or UA-String, is used to convey information to servers about the client’s browser and operating system. 0 Gecko/1. Along with each request they make to the server, browsers include a self-identifying User-Agent HTTP header called a user agent (UA) string. browser # returns Browser(family=u'Mobile Safari Understand what information is contained in a user agent string. Read on to get a handy list of smart TV UA strings and learn what you can achieve by parsing these strings to deliver optimized content. Updated at: Jan 23, 2025. NET Core – Alex from Jitbit. , when we update browser versions), but it would always have the “GTmetrix” text at the end. Current: New UA String used in. In case you face any challenges feel free to contact us. Some features: 1. In this case, it indicates that the browser is The User-Agent Checker/Detector/Parser is a multifunctional tool that can lookup and detect your browser's User-Agent, and you can also use this tool to detect and parse other User-Agents. HTTP/3 QUIC Online Test ; IPv6 Online Test ; IPv4/IPv6 Address Calculator ; HTTP Header Online Check ; Zstd Online Test ; User-Agent Checker/Detector/Parser There is an MDN article about browser detection using the "User-Agent" and what you should have in mind when do something like that. macOS is Apple's Operating System for their Desktop and Laptop computers. In this tutorial, we’ll explore how to leverage Yauaa in a Spring Boot application to parse user agent strings and implement device-specific For more on Firefox- and Gecko-based user agent strings, see the Firefox user agent string reference. ) for each individual HTTP request to a server. Share. For example, the user agent of my browser looks like this: Bash Latest user agents for Web Browsers & Operating Systems. Munichong Munichong. User agents. 13 and newer. Now that these changes have been rolled out for general availability, all resource requests have a reduced User-Agent header. txt) Google's robots. The Chrome fragments in the Edge user agent which are used above don't truly match "real" Edge user The User-Agent (UA) string is one of the most important factors in website identification in Web Scraping. You can set per-site user-agent strings 6. Hot Network Questions Why is doctrine so important when salvation is a direct result of believing alone like Abraham? Best weapon for sapient elephants to negate numbers advantage? Navigating a Colleague's Over-Reporting to Management Calculating Since user agent strings can be modified, this information is unverified. Type network conditions, select Show Network History. Add a comment | 2 . This string indicates which browser you are using, its version number, and details about your system, such as operating system and version. A user agent is a relatively short bit of text that (attempts to) describe the Software/Browser (the "Agent") that is making the request to a website. io is a website that provides a simple way to parse a user agent and get technical information about it. User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of the browser. Browse millions of user agents; User Agent string best practices; Use the API. The "User-Agent" header field contains information about the user agent originating the request, which is often used by servers to help identify the scope of reported interoperability problems, to work around or tailor responses to avoid particular user agent Filter for a specific user or group of users. 14 @Bergi: Actually that's only if you want it at the server-side. The user agent string can contain a wide range of information, including the browser name and version, the operating system and version, the device type (such as a smartphone or tablet), and other details about the client software. Cordova visual studio ios agent configuration. Improve this answer. 1. [2]The user agent is the client in a client–server system. Understand what information is contained in a user agent string. The user agent string that was associated along with it was Mosaic/2. 211 1 1 gold badge 2 2 silver badges 3 3 bronze badges. An These user agent strings, comprising a combination of browser, version, and platform information, serve as distinctive identifiers that facilitate seamless communication between web browsers and servers. Find lists of user agent strings from browsers, crawlers, spiders, bots, validators and others. Follow asked Dec 14, 2014 at 22:17. – Jerry Dodge Para mais cadeias de caracteres de agente de usuário do Firefox e Gecko, veja a referência para cadeias de caracteres de agente de usuário do Firefox (Firefox user agent string reference). User-Agent informs the server about the browser and operating system you are using. 1. User-Agent Customization. Many websites A user agent is a piece of software that acts on behalf of a user, typically a web browser, and identifies itself to web servers when making requests for resources such as web pages or images. For example, a web server may use the information provided in the user agent string to serve a different version of a Also note that because Chromium based browsers have started reducing/freezing their User Agent strings, Edge Browser is adopting the same changes, see Prepare for Chrome's user‑agent reduction for more information. Standard user agent string: This is possible due to the fact that User-Agent (UA) strings for smart TVs contain unique hardware and software information which can be parsed to locate the device in a database. Additionally, they pose a privacy issue as they can be used for browser fingerprinting, tracking users based on their browser information. Looking at whatismybrowser. From the MSDN User-agent string changes page: . com is a website that provides information and tools about user agent strings, which are identifiers for web browsers and other web agents. The simplest way to do what you want is to create a dictionary and specify your headers directly, like so: User-Agent (UA) reduction minimizes the identifying information shared in the User-Agent string, which may be used for passive fingerprinting. . Mozilla is a byproduct of browser wars. 1 1 1 With Chrome Version 75. 0 (Windows; U; Windows NT 5. Choose from preset User-Agent strings, or Add your own custom User-Agent string. <locale> indicates the chosen language and country or region for the phone. How to use an User Agent string with an API? 1. Technical properties of Google's crawlers and fetchers. Changing your user agent. It’s a reference to the original Mosaic web browser and is used to ensure compatibility with websites. The classes supplied there do all the hard-work. It has a huge database of We will carefully test websites before switching them to our new user-agent Bing Webmaster Tools URL Inspection has already started using the new desktop user-agent for the Live URL Test to help you investigate potential issues. g. URLConnection or the system property "http. 5. [1] What is User Agent used for? Web servers use the User Agent string to determine how to serve content to the browser. Its syntax was defined as “the software product Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Understand what information is contained in a user agent string. The User-Agent tells us they’re coming from a large-screen device, the XOOM tablet. While some sources have specific user agent strings, most rely on the app's default. Most Android tablet user-agent strings I've seen use mobile safari, e. 3. Search online for User-Agent string examples, or search for any device using our Device Browser (e. Click the result to find out what DeviceAtlas says User agent strings, while modifiable by clients, are unreliable for web administrators to protect servers against bot traffic. This information includes details such as the type and version of the web browser, the operating system and version, and device details such as screen size and resolution. user_agents is a Python library that provides an easy way to identify/detect devices like mobile phones, tablets and their capabilities by parsing (browser/HTTP) user agent strings. 2924. 0 – This is a legacy token that most web browsers include in their User-Agent strings for historical reasons. toString() call converts the user agent into a string which corresponds to the actual user agent. The User Agent often includes descriptions of the Operating System and Device Type that the Additionally, excessively long User-Agent strings could potentially cause issues with parsing or handling on the server side. User Agent String. 5 of HTTP Semantics. -H (or --header): set "Header" field; For example, the following two commands are equivalent. Get an analysis of your or any other user agent string. 2704. For historical reasons, almost every Besides a browser, a user agent could be a bot scraping webpages, a download manager, or another app accessing the Web. 48. 99% and avg response time of Because web servers don’t really care what the exact user agent string is—just that it contains a specific word when they check it—browser developers kept adding words to their user agents over time. However, it is also critical that users' privacy is protected against covert tracking methods, and Mozilla/5. The latest user agents for web browsers on macOS. The string will disclose if the user agent is a browser or another application. What makes a TV smart. On Win2012 Aspnet 4. Keep in mind that user agent filtering is not foolproof and can be easily bypassed by users who know how to modify their user agent. It doesn’t account for factors like screen resolution, touch input, device performance, or hardware limitations, which can significantly impact a website’s functionality. 0 (platform; rv:gecko-version) Gecko/gecko-trail Firefox/firefox-version Mozilla/5. It is like a fingerprint that a client or targeted website can identify. Google Chrome runs on a variety of operating systems and platforms, so while the version number tends to be fairly similar across platforms, the actual structure of the user agent has some variations. Updated at: Jan 26, 2025. I have verified all the sites but did not succeed. It provides details about the client software, which can be a browser, a mobile app, or other web client. Arun Kumar Arun Kumar. info. Independent of that the MSDN Library describes the user-agent changes for "Edge". 0 (platform; rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion. 3) GWT. For example, the user agent string for my phone when using (Although there is technically more than one user-agent for the Googlebot anyway, so matching on the full user-agent string would not be recommended anyway - even if it did work. ua-parser-version: Coming soon. Browsers have user-agents, and so do bots and crawlers such as For standard HTTP header fields such as User-Agent, Cookie, Host, there is actually another way to setting them. (X11; U; Linux x86_64)-This part typically represents the operating system and platform information. The curl command offers designated options for setting these header fields: field. Improve this question. It’s great for spotting mobile devices, unusual agents, or fixing compatibility problems. There is an option to change each URL to a domain from the options page. In this example, the user agent string indicates that the user is using Google Chrome version 97 on a Windows 10 operating system. It is a wrapper for the User-Agent-Database of user-agent-string. 10; 12PROMAX) Microsoft modified Internet Explorer to send a user-agent text string that imitated a Netscape browser. Hot Network Questions Both of NASA's ARED devices have a sign with the acronym "PLEASE;" what does it stand for? Are plastic stems on TPU tubes The following diagram shows the browser sending request headers to the server including user agent: <UA string> and receiving response headers including Accept-CH: sec-ch-ua-platform and Critical-CH: sec-ch-ua-platform. Add a custom user-agent string for each URL or website (domain). Using the user agent generator, you can easily simulate different devices and browsers, which can help you test websites and applications. Note that our default User-Agent string may change in the future (e. 1 @Robin: OP is asking for server side, he wants to get the UA string Python User Agents. The UA string of Firefox itself is broken down into four components: Mozilla/5. Within the UA string is information about the web browser, the Parse any User Agent string you want to understand and make the User-Agent string readable. Find out how to use User-Agent parsing and Client Hints to improve your device recognition. 4 (Cordova 4. For more details on Firefox and Gecko based user agent strings, see the Firefox user agent string reference. This string reveals critical information like the browser type The User-Agent string tells the server what the visiting device is (among many other things) and this information can be used to determine what content to return. In order to get an understanding of which mobile browsers use your site, you need to know their User-Agent strings. 5 was running, and on Win2008 it What is user agent string for "Internet Download Manager"? 19. Mozilla was a more advanced browser than Mosaic – in particular, it supported frames. Modifying User-Agent string on Cordova / PhoneGap application for iOS. the browser pretends to be IE 9 without emulating 9 behaviour if I've unverstood correctly). 0 (platform; rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion The user-agent should be specified as a field in the header. The data property includes a randomly generated browser fingerprint that can be used for more detailed emulation. 2. An app or web page can read the user agent string to detect that the device is a Fire tablet and then provide a specific user experience. The User Agent String Library is another great resource. Community Bot. Microsoft Edge for Windows 10 Mobile Insider Preview has the following user-agent string: And thus Chrome used WebKit, and pretended to be Safari, and WebKit pretended to be KHTML, and KHTML pretended to be Gecko, and all browsers pretended to be Mozilla, and Chrome called itself Mozilla/5. With the help of this, you can retrieve the data by shuffling the user agent into Python requests. The Operating System is given in most User Agent strings (although not web-focused platforms like Firefox OS), but the format varies a lot. Chrome/51. On the other hand, this User-Agent: A user agent is a string of text that identifies the browser and operating system to the web server you are connecting to. The UA string of Firefox is broken down into 4 components: Mozilla/5. The trick worked and Explorer users got access to the website without ever knowing about the spoofing. Learn how to identify devices using User-Agent strings, and see examples of UAs for popular devices, bots and crawlers. User-triggered fetchers: User-triggered fetchers are part of tools and product functions where the end user triggers a fetch. The goal is to reliably detect whether: User agent is a mobile, tablet or PC based device; User agent has touch capabilities (has touch screen) The user agent string, also referred to as the UA or UAS, is a code snippet presented by a web browser such as Chrome or Firefox to a website’s server. agent". This string typically includes information about the browser's name, version, operating system, and rendering engine. The "most important" product A user agent is a string that web browsers and other applications send to web servers to identify themselves. Commented Sep 29, 2012 at 10:22. The user agent provides information about the User-Agent: It's like telling the waiter your name so they know who is placing the order. This string indicates which browser you're using, its version number, and details about your system, such as operating system and version. Browsers and user-agent strings aim to provide useful information about the client application without being overly verbose. How to set default HTTP User Agent from a Java Web Start application? 59. The most used, as of September 2015, are facebookexternalhit/* and Facebot. iPhone 14) and copy its User-Agent (you can find it at the bottom of the device page – create a an account to do this). 6. $ The User Agent string can include information such as the browser type and version, the operating system, and the device type. It's a short, technical description of the web browser, operating system, (and maybe mobile device) that you're using as you access the internet. Open Developer Tools and go to Network conditions setting; Open Network conditions. Updated Dec 6, 2023; Python; microlinkhq / top-user-agents. A network artifact can be a user-agent string, C2 information, or URI patterns followed by the HTTP POST requests. Android or iOS, macOS or Windows), and sometimes the type of device (for example, the user agent string might include “iPhone”). For example, Google shows a very generic version of their websites. php - How to get one String User Agent. The HTTP Protocol as defined in 1991 didn’t have this field, but the next version defined in 1992 added User-Agent in the HTTP requests headers. 36 Since I'm pasing in headers with every request, I figured I'd just append User-Agent to the headers object, like it says in various In short, there's in the above user agent string that's really unique to me. The web server can use this information to provide content that is tailored for your specific browser. the Samsung Galaxy Tab: Mozilla/5. 1; en-US) AppleWebKit/525. ) These tests were performed with Google's robots. Mozilla was considerably more advanced in terms of connectivity and security than Mosaic because of the ease of supported frames it provided. User agent strings may include the version of the host operating system, the version of the browser, and other information. We most often think of an HTTP client as a browser like Internet Explorer, Chrome, or Firefox. Detect user-agent, operating system, browser, and device using several libraries, including ua-parser, ua-parser-js, and platform. How to work with user-agent to download a webpage using Wget. 3' user_agent = parse(ua_string) # Accessing user agent's browser attributes user_agent. The default is to apply to all User-Agent strings are outdated and have a long history of causing website compatibility issues. We will show you what the User Agent means; whether it is Safari on iPad, Chrome on Windows and other popular systems, or search engine The User-Agent string enables many legitimate use cases, and serves an important purpose for developers and site owners. Fabrice Canel Principal Program Manager Microsoft - Bing The user agent string tells a website about the user agent. But that was long ago—eventually, all websites accepted user-agent requests from just about any browser used. Know of a good snippet anywhere? The following placeholders in the user agent string are for version numbers that vary by device, for values that can be altered by the user, or for values that can change when Amazon updates the software on the device: <android> indicates the Android version number, for example, 4. – Skylar Ittner. On the Web, a user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content. txt tester. Depending on which platform you're using (or want to pretend you're using!) the The user agent string, which contains information about the user agent, is sent as a part of the HTTP request header when a web page is requested. Change user agent from Android manifest. Defaults to "latest". To override the user agent string from Microsoft Edge DevTools:. 5. Table 1: Common Web Browser Get the user agent string of the user from a PHP file used to retrieve a CSS. – Bergi. Putting the tests into practice As part of my requests, I want to send a custom User-Agent string. With JavaScript - navigator. User Agent string provide information on application type, operating system, software vendor / version and layout rendering engine. User agent string: Filter for a specific user agent string. Configure extra options available User Agent String. What's my user agent? See what your user-agent detection library really thinks! Defaults to your request's user agent string. See RFC2616 for more information about the structure of User-Agent strings. User-Agent: <something> is a string of characters sent by HTTP clients (browsers, bots, calendar applications, etc. User Agent is sent by the browser with other HTTP Headers to let the web server know its identity. The user agent string that your system sends to a web server as a request header can be seen within Chrome DevTools by navigating to the Network tabs, selecting an asset, and finding the User-Agent request Header. But it seems too easy to be true. These user agents don't show anyextra addons, network providers or anything else customised or particular; these are just the standard user agents. The following table shows the user agent strings for the Fire tablets. We go into a lot more detail, and examine what makes up Also, when returning a custom user agent string, many websites will get confused as to what browser you're using. Navigate to More-> Settings-> Advanced. In the A user agent string typically consists of multiple components, each providing specific information about the client. 2. Considering that many browsers allow the user to change the user-agent string to whatever they wish, I would say that no part of it identifies the device vendor. ¶Common Components of a User Agent String List of major web + mobile browser user agent strings. userAgent should suffice as per accepted answer. Start generating user agents now and improve An enormous, categorised list of user agents, as well as a form to parse user agents to see what they mean. The format of the user agent string in HTTP is a list of product tokens (keywords) with optional comments. You can use the Critical-CH header to receive desired high entropy According to the very last sentence of this article, it seems that looking for keyword "mobi" in a user agent string can handle most cases. 0 Lollipop updated devices (with the small number of exceptions) TV : Tizen SmartTV Web Browser 2015 and later. 0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537. txt What is a User Agent? A User Agent (UA) is a string sent in HTTP requests. Variety: Don’t use the same user agent for all your requests. User agent tag: Filter for user agent tags, such as for outdated browsers or operating systems. Code Issues Pull requests An always up-to-date list of the top 100 HTTP user-agents most used over the Internet. I have a web app and about 95% of users send back a user The User-Agent Switcher and Manager extension offers a basic way to change the user agent string, but it falls short of accurately simulating device-specific behaviors. 100 (Windows) you can find it as below. The Yauaa (Yet Another UserAgent Analyzer) library helps simplify this process when working in the Java ecosystem. The extension enables user-agent spoofing on specific domains only; it is conversely possible to exclude certain domains from spoofing. For example, if a user's product were called WikiBrowser, their user agent string might be WikiBrowser/1. The user agent can also declare what operating system is running on the device (e. To find a user-agent string you can either use a search engine (there are plenty of websites that provide a free UA list) or use the sample list provided in addon's Understand what information is contained in a user agent string. The User Agent from the browser is not something I would rely on for anything, We all use it for statistics, but we know This will create a new preference with an empty space to add a user-agent string. It typically includes information about the software, operating system, and sometimes additional Just read the user-agent-string from the HTTP header. The user agent is a standard HTTP header among other HTTP headers. Commented Aug 26, 2021 at 8:58. 0 (iPhone; CPU iPhone OS 5_1 like Mac OS X) AppleWebKit/534. As a result, the return values from certain Navigator interfaces are reduced, including: When you visit a Web page, your browser sends the user-agent string to the server hosting the site that you are visiting. Modify Default user agent string to another value. There is an option to randomize user-agent strings. Spoof it to User-Agent of Google Chrome, Mozilla Firefox, Chrome on Android, Safari on iPhone or macOS, Googlebot or your custom string. Explore our huge user agent listing, download our user agents database, (or The userAgent. Here are some prevalent user agent strings encountered in the wild: Google Chrome: The user agent string for Google Chrome typically includes details Changing your user agent A user agent string shares requester information with websites, potentially affecting Cloudflare's bot detection. Web servers pitched in to observe Mozilla’s user agent and how it sent pages which consisted of The User-Agent string is very useful because it tells you quite specific information about the software and hardware running on the device that is making the request. The exact structure and content of the user agent string can vary depending on the client and its configuration, but there are common elements that appear in most user agent strings. 7. Updated at: Jan 24, 2025. 3 User-Agent. 0 Mobile Safari/533. If you do want to recognize Facebook bot in PHP, use . Fun. Commented Jan 16, 2020 at 2:12. Detection Tool. Ever needed to quickly switch between user-agent strings on the fly? Developing a site that needs to work on both mobile browsers and desktop browsers? Sick of some archaic site blocking you because you're not using Netscape 4? The User-Agent Switcher for Chrome is the answer. The web User agent Browser Hardware; Mozilla/5. Mobile : 2015 and later released devices, and Android 5. The "good server" was a Win2012, and "bad servers" were Win2008. If a different person on the Internet with the same configuration accesses your website, then their user agent will be the same. java; browser; user-agent; Share. Unfortunately, most browsers falsify part of their User-Agent header in an attempt to be compatible with more web servers. 0 which was later taken over by Mozilla whose user agent was Mozilla/1. Find the required user-agent and copy/paste it in the preference you created and click on Save. 27 Safari/525. As long as there are just a few models on As stated in RFC 7231 (but nearly the same paragraph can be found in RFC2616):. 0. I was looking for a way to obtain the user agent string used by HttpUrlConnection, to use it with HttpClient and amend it with my own version info. The primary uses of user agents include: Content Adaptation : User agents allow websites to deliver content optimized for different devices and browsers, providing a better user experience across a wide range of platforms. IE provides Feature Tokens that contains information about . Later, Mozilla came along (later renamed Netscape), and its user agent was Mozilla/1. Each HTTP request sent by the crawler and scanner contains a "User Agent" string, including information that may identify the browser name and version (for example: Firefox or Opera), the rendering engine upon which the browser is based (for example: AppleWebKit), and the type of system which the browser is running on (for example: Android). There you will find the User agent option set to Select automatically After conducting a Google search for the user agent string BAV2ROPC, we found a range of speculations on social media, technical forums, and blogs. This information typically passes the name and version of the browser among many other details. from user_agents import parse # iPhone's user agent string ua_string = 'Mozilla/5. Spoofs & Mimics User-Agent strings. since there is no “mobile” string, serve this user the desktop version (or a version customized for Android large-screen touch devices). This way, my Android app provides some useful version info I can extract from the server's log files (Android Version, device name/type, and the version of my app). Samsung Internet for Android Next step was trying to exploit some SQL injection payloads, after a few tries it sees that the application was vulnerable to a type of SQL injection Boolean based. As a consequence, the logic around the user-agent string has grown increasingly complicated over the years; the introduction of Compatibility Modes has meant that the browser now has more than one UA string, and legacy extensibility of the string was deprecated after years of abuse. It is designed for Firefox, Flock, Mozilla and Seamonkey. The content of the user agent vary from browsers and operating systems. The latest user agents for Safari. It helps the target website identify the requesting device. detect browser, OS, and device from user agent string A fast user-agent lookup API that detects Browser, OS, Device Type and other attributes from user-agent Used by 1000+ users with an uptime of 99. Web servers use this information to optimize content delivery and provide a better user experience. Here is a list of HTTP header fields, and you'd probably be interested in request-specific fields, which includes User-Agent. User-Agent string, ranging from simple segmentation and redirection, to more complex content adaptation and device targeting decisions. In this article. net. Just paste a string, and it breaks down the browser, device, and operating system info. Previous: UA String used in devices before 2015. This information is intended to assist in serving the representation of the resource that is best-suited to the client. The UserAgent string is composed of The latest user agents for Safari. What is the proper user-agent to use for a server? 11. As you haven't stated what language you're trying to recognize the user-agent in, I can't tell you more information. For example, Google Site Verifier acts on the request of a user. So at the moment I am checking on device names to detect Android tablets. sxaxp vmc iue jaworx ncjhuh fym aldgf zqa bfcx mnby