| Used Operating Systems |
| 1 | 2642 | 30.75 | 2328 | 51.62 | +http://www.baidu.com/search/spider.html |
| 2 | 1964 | 22.86 | 100 | 2.22 | Windows 98 |
| 3 | 1683 | 19.59 | 1174 | 26.03 | Windows NT |
| 4 | 1050 | 12.22 | 461 | 10.22 | +http://www.google.com/bot.html |
| 5 | 572 | 6.66 | 236 | 5.23 | +http://www.bing.com/bingbot.htm |
| 6 | 174 | 2.02 | 32 | 0.71 | +http://yandex.com/bots |
| 7 | 148 | 1.72 | 47 | 1.04 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 84 | 0.98 | 37 | 0.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 43 | 0.50 | 21 | 0.47 | +http://www.exabot.com/go/robot |
| 10 | 33 | 0.38 | 13 | 0.29 | +http://fulltext.sblog.cz/ |
| 11 | 31 | 0.36 | 22 | 0.49 | +http://ahrefs.com/robot/ |
| 12 | 30 | 0.35 | 3 | 0.07 | http://crawler.sistrix.net/ |
| 13 | 20 | 0.23 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 14 | 20 | 0.23 | 2 | 0.04 | +http://endb-consolidated.aihit.com/ |
| 15 | 19 | 0.22 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 16 | 12 | 0.14 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 17 | 11 | 0.13 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 18 | 10 | 0.12 | 4 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 8 | 0.09 | 1 | 0.02 | +http://www.linkpad.ru |
| 20 | 8 | 0.09 | 5 | 0.11 | +http://wmaid.com/explore/ |
| 21 | 5 | 0.06 | 5 | 0.11 | +http://www.easou.com/search/spider.html |
| 22 | 4 | 0.05 | 2 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 23 | 3 | 0.03 | 3 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 24 | 3 | 0.03 | 1 | 0.02 | +http://getdownload.ws |
| 25 | 3 | 0.03 | 1 | 0.02 | +http://overx50.com/ |
| 26 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 27 | 2 | 0.02 | 2 | 0.04 | Windows XP |
| 28 | 2 | 0.02 | 2 | 0.04 | Android 2.3.5 |
| 29 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 30 | 1 | 0.01 | 1 | 0.02 | +http://136.186.231.16 |
| 31 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 1 | 0.01 | 1 | 0.02 | X11 |
| 34 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
