user agent string - SERP Analysis

https://useragentstring.com/

https://www.whatismybrowser.com/detect/what-is-my-user-agent/

https://deviceatlas.com/blog/list-of-user-agent-strings

https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/User-Agent

https://www.reddit.com/r/firefox/comments/1729yqx/what_does_useragent_really_do/

https://dnschecker.org/user-agent-info.php

https://stackoverflow.com/questions/2601372/what-is-the-standard-format-for-a-browsers-user-agent-string

https://www.statsig.com/perspectives/decoding-user-agent-strings-what-do-they-really-tell-us

https://deviceatlas.com/blog/user-agent-parsing-how-it-works-and-how-it-can-be-used

https://developer.mozilla.org/en-US/docs/Glossary/User_agent