| Used Operating Systems |
| 1 | 5910 | 35.84 | 93 | 2.25 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4744 | 28.77 | 2078 | 50.29 | Windows NT |
| 3 | 1289 | 7.82 | 933 | 22.58 | +http://www.baidu.com/search/spider.html |
| 4 | 1026 | 6.22 | 66 | 1.60 | Windows 98 |
| 5 | 791 | 4.80 | 246 | 5.95 | +http://www.bing.com/bingbot.htm |
| 6 | 554 | 3.36 | 142 | 3.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 476 | 2.89 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 8 | 466 | 2.83 | 114 | 2.76 | +http://www.google.com/bot.html |
| 9 | 341 | 2.07 | 124 | 3.00 | +http://yandex.com/bots |
| 10 | 284 | 1.72 | 80 | 1.94 | +http://www.linkdex.com/bots/ |
| 11 | 158 | 0.96 | 86 | 2.08 | Windows 95 |
| 12 | 50 | 0.30 | 21 | 0.51 | Windows 3.1 |
| 13 | 47 | 0.29 | 15 | 0.36 | +http://www.exabot.com/go/robot |
| 14 | 46 | 0.28 | 0 | 0.00 | Windows XP |
| 15 | 41 | 0.25 | 21 | 0.51 | Windows ME |
| 16 | 37 | 0.22 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 17 | 31 | 0.19 | 18 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 18 | 30 | 0.18 | 24 | 0.58 | Windows CE |
| 19 | 30 | 0.18 | 24 | 0.58 | Windows 2000 |
| 20 | 28 | 0.17 | 2 | 0.05 | http://crawler.sistrix.net/ |
| 21 | 25 | 0.15 | 21 | 0.51 | MSIE 5.5; Windows NT 4.0 |
| 22 | 22 | 0.13 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 14 | 0.08 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 12 | 0.07 | 6 | 0.15 | +http://fulltext.sblog.cz/ |
| 25 | 8 | 0.05 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 26 | 6 | 0.04 | 3 | 0.07 | +http://wmaid.com/explore/ |
| 27 | 6 | 0.04 | 2 | 0.05 | +http://freedlf.com/ |
| 28 | 6 | 0.04 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 3 | 0.02 | 1 | 0.02 | +http://downloaflare.biz |
| 30 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 31 | 2 | 0.01 | 0 | 0.00 | X11 |
| 32 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 33 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |