| Used Operating Systems |
| 1 | 15884 | 22.68 | 179 | 4.28 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15816 | 22.58 | 2158 | 51.58 | Windows NT |
| 3 | 15027 | 21.46 | 186 | 4.45 | +crawl@publiclibraryarchive.org |
| 4 | 12628 | 18.03 | 99 | 2.37 | +spider@waybackarchive.org |
| 5 | 5816 | 8.30 | 630 | 15.06 | +http://ahrefs.com/robot/ |
| 6 | 1386 | 1.98 | 118 | 2.82 | Windows 98 |
| 7 | 996 | 1.42 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 8 | 542 | 0.77 | 68 | 1.63 | +http://yandex.com/bots |
| 9 | 350 | 0.50 | 99 | 2.37 | +http://www.google.com/bot.html |
| 10 | 295 | 0.42 | 244 | 5.83 | +http://www.baidu.com/search/spider.html |
| 11 | 223 | 0.32 | 57 | 1.36 | +http://www.exabot.com/go/robot |
| 12 | 156 | 0.22 | 49 | 1.17 | +http://www.linkdex.com/bots/ |
| 13 | 153 | 0.22 | 13 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 122 | 0.17 | 54 | 1.29 | Windows 95 |
| 15 | 103 | 0.15 | 3 | 0.07 | Linux i686 [unknown version] |
| 16 | 100 | 0.14 | 49 | 1.17 | +http://www.bing.com/bingbot.htm |
| 17 | 59 | 0.08 | 23 | 0.55 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 58 | 0.08 | 22 | 0.53 | MSIE 5.5; Windows NT 4.0 |
| 19 | 46 | 0.07 | 19 | 0.45 | MSIE 5.5; Windows NT 5.0 |
| 20 | 38 | 0.05 | 20 | 0.48 | Windows 2000 |
| 21 | 28 | 0.04 | 15 | 0.36 | Windows ME |
| 22 | 26 | 0.04 | 14 | 0.33 | Windows 3.1 |
| 23 | 25 | 0.04 | 7 | 0.17 | X11 |
| 24 | 24 | 0.03 | 13 | 0.31 | Windows CE |
| 25 | 24 | 0.03 | 0 | 0.00 | Solaris 2.4.x |
| 26 | 21 | 0.03 | 12 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 27 | 19 | 0.03 | 6 | 0.14 | Windows XP |
| 28 | 14 | 0.02 | 4 | 0.10 | Android 2.3.5 |
| 29 | 12 | 0.02 | 11 | 0.26 | Auto; Windows |
| 30 | 12 | 0.02 | 6 | 0.14 | http://crawler.sistrix.net/ |
| 31 | 12 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 10 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 8 | 0.01 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
