Browser and System

Your Browser Agent: ccbot/2.0 (https://commoncrawl.org/faq/)

Your Operating System: not clear

 

Some Early User Agent Strings

based on Wikipedia's Timeline of Web Browsers,

a (Humorous) History of the User Agent string

and more background in 2010 from humanwhocodes.com

  1. NCSA_Mosaic/2.0 (Windows 3.1) released in November 1993 (Mosaic running on Windows 3.1)
  2. Mozilla/1.0 (Win3.1) released in November 1994 (Netscape Navigator running on Windows 3.1) as a "Mosaic killer (Godzilla)" – a browser with the ability to support multiple "frames" i.e. web pages on separate sections of the screen
  3. Mozilla/1.0 (compatible; MSIE 1.0; Windows 95) released in August 1995 (Microsoft Internet Explorer 1 running on Windows 95)
  4. Mozilla/1.22 (compatible; MSIE 2.0; Windows 95) released in November 1995 (Microsoft Internet Explorer 2 running on Windows 95)
  5. Mozilla/2.0 (Win95; U) released in March 1996 (Netscape Navigator 2 running on Windows 95)
  6. Mozilla/3.0 (WinNT; I) released in August 1996 (Netscape Navigator 3 running on Windows NT 4)
  7. Mozilla/2.0 (compatible; MSIE 3.02; Windows 95) released same month (Microsoft Internet Explorer 3 running on Windows 95)
  8. Mozilla/4.0 (Win95; U) released in June 1997 (Netscape Navigator 4 running on Windows 95)
  9. Mozilla/4.0 (compatible; MSIE 4.0; Windows 95) released in October 1997 (Microsoft Internet Explorer 4 running on Windows 95)
  10. Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.1) Gecko/20020826 released in August 2002 (Mozilla running on Windows 2000)
  11. Mozilla/5.0 (Macintosh; U; PPC Mac OS X; de-de) AppleWebKit/85.7 (KHTML, like Gecko) Safari/85.5 released in June 2003 (Safari running on Apple)
  12. Mozilla/5.0 (compatible; Konqueror/3.2; FreeBSD) (KHTML, like Gecko) released in February 2004 (KHTML on Linux)
  13. Mozilla/5.0 (Windows; U; Windows NT 5.1; sv-SE; rv:1.7.5) Gecko/20041108 Firefox/1.0 released in November 2004 (Mozilla Firefox 1 running on Windows XP)
  14. Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13) released in September 2008 (Google Chrome running on Windows XP)
  15. Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) released in March 2009 (Microsoft IE8 running on Windows Vista)
  16. Mozilla/5.0 (Windows NT 10.0; WoW64; Trident/7.0; rv:11.0) like Gecko released in October 2013 (Microsoft IE11 & run on Windows 10)

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