What is user agent

The following tests can be used to determine if software qualifies as a user agent for the purposes of these guidelines. Jump to: navigation , search. What qualifies as a User Agent? If the following three conditions are met then it is a Primary User Agent and Must Conform to UAAG: If it is a standalone application; and If it interprets any w3c specified language; and If it provides a user interface or interprets either a procedural or declarative language that may be used to provide a user interface.

Navigation menu Personal tools Log in. For example, the web server can walk Googlebot through a sign up page. Using robots. For example, we can often verify whether a website is serving content to its regular users that differs from what Googlebot sees.

To do this with Chrome, we simply need to access its console, which can also be done using the following shortcuts:. Then, we only need to choose which user-agent we want to use to browse, by entering it into the red field, pictured below:. In the tables below you can see the main and most-used user-agents in SEO environments.

If you are parsing user agent strings using regular expressions, the following can be used to check against Chrome on Android phones and tablets:. The Android 4. Don't rely on the specific Chrome version number for example, In the newer versions of WebView, you can differentiate the WebView by looking for the wv field as highlighted below. Last updated: Tuesday, November 9, Improve article. Skip to content.

Mobile Chrome.