| Used Operating Systems |
| 1 | 22160 | 75.25 | 150 | 11.70 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4012 | 13.62 | 4 | 0.31 | http://crawler.007ac9.net/ |
| 3 | 1073 | 3.64 | 471 | 36.74 | Windows NT |
| 4 | 536 | 1.82 | 4 | 0.31 | +http://OpenLinkProfiler.org/bot |
| 5 | 449 | 1.52 | 78 | 6.08 | +http://yandex.com/bots |
| 6 | 429 | 1.46 | 314 | 24.49 | +http://www.baidu.com/search/spider.html |
| 7 | 315 | 1.07 | 73 | 5.69 | +http://ahrefs.com/robot/ |
| 8 | 177 | 0.60 | 73 | 5.69 | +http://www.google.com/bot.html |
| 9 | 72 | 0.24 | 36 | 2.81 | +http://www.meanpath.com/meanpathbot.htm... |
| 10 | 54 | 0.18 | 24 | 1.87 | +http://www.exabot.com/go/robot |
| 11 | 47 | 0.16 | 4 | 0.31 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 46 | 0.16 | 18 | 1.40 | +http://www.linkdex.com/bots/ |
| 13 | 26 | 0.09 | 13 | 1.01 | +http://www.bing.com/bingbot.htm |
| 14 | 18 | 0.06 | 2 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 12 | 0.04 | 6 | 0.47 | http://crawler.sistrix.net/ |
| 16 | 6 | 0.02 | 2 | 0.16 | X11 |
| 17 | 4 | 0.01 | 4 | 0.31 | Windows 95 |
| 18 | 2 | 0.01 | 2 | 0.16 | Linux [unknown version] |
| 19 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 20 | 2 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 22 | 2 | 0.01 | 2 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 23 | 2 | 0.01 | 2 | 0.16 | Windows 98 |