| Used Operating Systems |
| 1 | 5387 | 31.17 | 2008 | 37.43 | Windows NT |
| 2 | 4094 | 23.69 | 33 | 0.62 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2798 | 16.19 | 2458 | 45.82 | +http://www.baidu.com/search/spider.html |
| 4 | 1264 | 7.31 | 133 | 2.48 | +http://www.google.com/bot.html |
| 5 | 885 | 5.12 | 138 | 2.57 | +http://ahrefs.com/robot/ |
| 6 | 770 | 4.46 | 226 | 4.21 | +http://www.bing.com/bingbot.htm |
| 7 | 636 | 3.68 | 156 | 2.91 | ezooms.bot@gmail.com |
| 8 | 500 | 2.89 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 9 | 329 | 1.90 | 14 | 0.26 | http://crawler.sistrix.net/ |
| 10 | 252 | 1.46 | 76 | 1.42 | +http://yandex.com/bots |
| 11 | 100 | 0.58 | 20 | 0.37 | MirrorDetector; +http://yandex.com/bots |
| 12 | 64 | 0.37 | 25 | 0.47 | +http://www.exabot.com/go/robot |
| 13 | 61 | 0.35 | 6 | 0.11 | +http://siteexplorer.info/ |
| 14 | 37 | 0.21 | 37 | 0.69 | Intel Mac OS X 10.4 |
| 15 | 18 | 0.10 | 11 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 16 | 17 | 0.10 | 1 | 0.02 | AOL 9.6; AOLBuild 4340.168; Windows NT 6... |
| 17 | 14 | 0.08 | 2 | 0.04 | Windows 98 |
| 18 | 12 | 0.07 | 2 | 0.04 | Windows 9x |
| 19 | 11 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 9 | 0.05 | 3 | 0.06 | +http://go.mail.ru/help/robots |
| 21 | 9 | 0.05 | 4 | 0.07 | X11 |
| 22 | 4 | 0.02 | 2 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 23 | 4 | 0.02 | 2 | 0.04 | Windows 95 |
| 24 | 2 | 0.01 | 2 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 25 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 26 | 1 | 0.01 | 1 | 0.02 | Windows XP |
| 27 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 28 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
