| Used Operating Systems |
| 1 | 40229 | 53.47 | 400 | 5.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18293 | 24.32 | 3983 | 51.96 | +http://ahrefs.com/robot/ |
| 3 | 5397 | 7.17 | 1165 | 15.20 | Windows NT |
| 4 | 3284 | 4.37 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 3243 | 4.31 | 1499 | 19.55 | +http://www.baidu.com/search/spider.html |
| 6 | 2080 | 2.76 | 12 | 0.16 | +http://www.warebay.com/bot.html |
| 7 | 500 | 0.66 | 2 | 0.03 | Linux i586 [unknown version] |
| 8 | 472 | 0.63 | 118 | 1.54 | +http://www.linkdex.com/bots/ |
| 9 | 408 | 0.54 | 191 | 2.49 | +http://www.google.com/bot.html |
| 10 | 337 | 0.45 | 114 | 1.49 | +http://yandex.com/bots |
| 11 | 324 | 0.43 | 71 | 0.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 244 | 0.32 | 35 | 0.46 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 158 | 0.21 | 21 | 0.27 | +http://www.bing.com/bingbot.htm |
| 14 | 98 | 0.13 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 15 | 37 | 0.05 | 13 | 0.17 | +http://www.exabot.com/go/robot |
| 16 | 24 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 17 | 24 | 0.03 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 18 | 16 | 0.02 | 8 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 13 | 0.02 | 13 | 0.17 | +http://www.xovibot.net/ |
| 20 | 8 | 0.01 | 2 | 0.03 | Windows CE |
| 21 | 8 | 0.01 | 4 | 0.05 | http://www.botje.com/plukkie.htm |
| 22 | 7 | 0.01 | 4 | 0.05 | Windows 95 |
| 23 | 7 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 24 | 5 | 0.01 | 2 | 0.03 | +http://www.semrush.com/bot.html |
| 25 | 5 | 0.01 | 1 | 0.01 | Windows 98 |
| 26 | 4 | 0.01 | 1 | 0.01 | Windows XP |
| 27 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 2 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
| 29 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
