| Used Operating Systems |
| 1 | 9294 | 76.36 | 162 | 14.69 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 536 | 4.40 | 4 | 0.36 | +http://OpenLinkProfiler.org/bot |
| 3 | 518 | 4.26 | 295 | 26.75 | Windows NT |
| 4 | 418 | 3.43 | 263 | 23.84 | +http://www.baidu.com/search/spider.html |
| 5 | 406 | 3.34 | 74 | 6.71 | +http://yandex.com/bots |
| 6 | 361 | 2.97 | 93 | 8.43 | +http://ahrefs.com/robot/ |
| 7 | 253 | 2.08 | 74 | 6.71 | +http://www.google.com/bot.html |
| 8 | 102 | 0.84 | 50 | 4.53 | +http://www.meanpath.com/meanpathbot.htm... |
| 9 | 92 | 0.76 | 27 | 2.45 | +http://www.linkdex.com/bots/ |
| 10 | 60 | 0.49 | 8 | 0.73 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 38 | 0.31 | 11 | 1.00 | +http://www.exabot.com/go/robot |
| 12 | 24 | 0.20 | 10 | 0.91 | +http://www.bing.com/bingbot.htm |
| 13 | 16 | 0.13 | 2 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 12 | 0.10 | 6 | 0.54 | http://crawler.sistrix.net/ |
| 15 | 10 | 0.08 | 10 | 0.91 | Windows 95 |
| 16 | 8 | 0.07 | 2 | 0.18 | J2ME/MIDP |
| 17 | 6 | 0.05 | 2 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 4 | 0.03 | 4 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 20 | 4 | 0.03 | 2 | 0.18 | X11 |
| 21 | 2 | 0.02 | 2 | 0.18 | OpenBSD [unknown version] |
| 22 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 23 | 2 | 0.02 | 2 | 0.18 | Windows 3.1 |
