| Used Operating Systems |
| 1 | 3117 | 33.68 | 107 | 9.03 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2976 | 32.16 | 157 | 13.25 | +http://yandex.com/bots |
| 3 | 1498 | 16.19 | 397 | 33.50 | Windows NT |
| 4 | 352 | 3.80 | 287 | 24.22 | +http://www.baidu.com/search/spider.html |
| 5 | 347 | 3.75 | 100 | 8.44 | +http://ahrefs.com/robot/ |
| 6 | 270 | 2.92 | 2 | 0.17 | +http://OpenLinkProfiler.org/bot |
| 7 | 270 | 2.92 | 2 | 0.17 | +http://webmeup-crawler.com/ |
| 8 | 120 | 1.30 | 44 | 3.71 | +http://www.google.com/bot.html |
| 9 | 60 | 0.65 | 5 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 53 | 0.57 | 19 | 1.60 | +http://www.exabot.com/go/robot |
| 11 | 46 | 0.50 | 16 | 1.35 | +http://www.linkdex.com/bots/ |
| 12 | 45 | 0.49 | 6 | 0.51 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 32 | 0.35 | 16 | 1.35 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 32 | 0.35 | 14 | 1.18 | +http://www.bing.com/bingbot.htm |
| 15 | 20 | 0.22 | 4 | 0.34 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 6 | 0.06 | 4 | 0.34 | X11 |
| 17 | 4 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 18 | 2 | 0.02 | 2 | 0.17 | Linux [unknown version] |
| 19 | 2 | 0.02 | 1 | 0.08 | http://crawler.sistrix.net/ |
| 20 | 2 | 0.02 | 2 | 0.17 | Linux i686 [unknown version] |
