Running this extension can have performance impact on your browsing experience due to its need to intercept and modify the data communicated to the server. NOTE: if some sites have problems after using a mobile user-agent, and won't switch back no matter what you spoof, you will need to switch the user-agent back to Chrome *and* clear your cookies for the sites to treat the browser normally again.
Basically User-Agent is a relic of the past, at least in theory (in browsers that is, in crawlers aka web spiders it can make sense). Browsers should not depend on its value, but some questionably made sites still do sometimes. You nearly never have to change it, that tiny percentage is annoying though. More on reddit.com
The data comes from multiple reliable sources including CloudFlare Bot Directory, Top User Agents, Well-Known Bots, and Crawler User Agents. This data undergoes rigorous normalization including deduplication, standardization, validation, categorization, and quality assurance to ensure reliability and production-readiness.
On the Web, a user agent is a software agent responsible for retrieving and facilitating end-user interaction with Web content. 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 ...
The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, vendor, and/or version of the requesting user agent.
A user agent is a small piece of data sent by your web browser when accessing a website or application. It identifies the type of browser, device, operating system, and browser version.
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. Your web browser sends it to every website you visit.
The agent's user account is a specialized identity type designed to bridge the gap between agents and human user capabilities. The agent's user account enables AI-powered applications to interact with systems and services that require user ...
User-agent checker instantly tells your browsers user agent. User-agent is the identifier which lets the server know what browser is requesting the resource or what operating system the request initiator uses.
What is a user agent? A user agent is a small piece of text that your web browser or script sends during an HTTP request to identify the client's software and operating system to the web server.
Usage example: You can alter your user-agent string to indicate you?re on a mobile device if you prefer seeing mobile versions of sites so they load quicker. -- This extension allows you to spoof your browser "user-agent" string to a custom designation, making it impossible for websites to know specific details about your browsing arrangement.
Displays the browser User-Agent and other useful device info. Data can be shared by email, text, etc. NOTE: Some phones may report a different default User-Agent from within apps (such as this) compared to the browser. Be sure to double-check. Suggestions for improvements and additional features are welcome.
This tool can parse HTTP headers (such as the User-Agent and User-Agent Client Hints) to provide information on the associated device, operating system, and browser.
People experience the web through user agents: software that retrieves, presents, and acts on web content on behalf of the person using it. The web browser is the most familiar example, but a variety of other software plays the same role.
The User-Agent (UA) string is contained in the HTTP headers and is intended to identify devices requesting online content. The User-Agent tells the server what the visiting device is (among many other things) and this information can be used to determine what content to return.
When a scraper gets blocked, changing the user agent is the first thing most people try. Years ago that was real stealth advice. In 2026 it barely moves the ... Published 1 month ago
