| Used Operating Systems |
| 1 | 17775 | 89.53 | 3933 | 79.26 | Windows NT |
| 2 | 484 | 2.44 | 170 | 3.43 | +http://www.bing.com/bingbot.htm |
| 3 | 229 | 1.15 | 198 | 3.99 | +http://www.baidu.com/search/spider.html |
| 4 | 200 | 1.01 | 164 | 3.31 | Windows 95 |
| 5 | 175 | 0.88 | 62 | 1.25 | +http://www.google.com/bot.html |
| 6 | 157 | 0.79 | 34 | 0.69 | Windows 98 |
| 7 | 145 | 0.73 | 38 | 0.77 | +http://yandex.com/bots |
| 8 | 61 | 0.31 | 7 | 0.14 | +http://ahrefs.com/robot/ |
| 9 | 52 | 0.26 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 45 | 0.23 | 38 | 0.77 | Auto; Windows |
| 11 | 45 | 0.23 | 38 | 0.77 | MSIE 5.5; Windows NT 5.0 |
| 12 | 41 | 0.21 | 36 | 0.73 | MSIE 5.5; Windows NT 4.0 |
| 13 | 39 | 0.20 | 31 | 0.62 | Windows 3.1 |
| 14 | 36 | 0.18 | 6 | 0.12 | X11 |
| 15 | 33 | 0.17 | 12 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 32 | 0.16 | 26 | 0.52 | Windows ME |
| 17 | 32 | 0.16 | 30 | 0.60 | ) - BrowseX (2.0.0 Windows |
| 18 | 25 | 0.13 | 24 | 0.48 | Windows CE |
| 19 | 25 | 0.13 | 1 | 0.02 | Windows XP |
| 20 | 24 | 0.12 | 6 | 0.12 | +http://www.profound.net/domainappender |
| 21 | 22 | 0.11 | 18 | 0.36 | Windows 2000 |
| 22 | 18 | 0.09 | 3 | 0.06 | +http://www.findxbot.com |
| 23 | 18 | 0.09 | 5 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 24 | 18 | 0.09 | 8 | 0.16 | +http://duckduckgo.com |
| 25 | 16 | 0.08 | 8 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 13 | 0.07 | 13 | 0.26 | Linux i686 [unknown version] |
| 27 | 12 | 0.06 | 6 | 0.12 | +http://help.coccoc.com/ |
| 28 | 11 | 0.06 | 10 | 0.20 | Linux i586 [unknown version] |
| 29 | 9 | 0.05 | 2 | 0.04 | Android 2.3.5 |
| 30 | 9 | 0.05 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 31 | 8 | 0.04 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 32 | 7 | 0.04 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 33 | 7 | 0.04 | 7 | 0.14 | +http://domainsigma.com/robot |
| 34 | 6 | 0.03 | 2 | 0.04 | +http://www.exabot.com/go/robot |
| 35 | 5 | 0.03 | 4 | 0.08 | +http://www.xovibot.net/ |
| 36 | 3 | 0.02 | 3 | 0.06 | Linux [unknown version] |
| 37 | 3 | 0.02 | 1 | 0.02 | +http://www.linkdex.com/bots/ |
| 38 | 3 | 0.02 | 3 | 0.06 | Intel Mac OS X 10.6 |
| 39 | 2 | 0.01 | 2 | 0.04 | Macintosh PPC |
| 40 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 42 | 1 | 0.01 | 1 | 0.02 | OpenBSD [unknown version] |
| 43 | 1 | 0.01 | 1 | 0.02 | Android |
| 44 | 1 | 0.01 | 1 | 0.02 | +; |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
