| Used Operating Systems |
| 1 | 12455 | 55.41 | 185 | 8.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3305 | 14.70 | 846 | 38.16 | Windows NT |
| 3 | 2942 | 13.09 | 262 | 11.82 | +http://www.bing.com/bingbot.htm |
| 4 | 1299 | 5.78 | 265 | 11.95 | +http://yandex.com/bots |
| 5 | 377 | 1.68 | 20 | 0.90 | +http://ahrefs.com/robot/ |
| 6 | 367 | 1.63 | 75 | 3.38 | +http://www.linkdex.com/bots/ |
| 7 | 336 | 1.49 | 132 | 5.95 | +http://www.baidu.com/search/spider.html |
| 8 | 230 | 1.02 | 62 | 2.80 | +http://www.google.com/bot.html |
| 9 | 225 | 1.00 | 67 | 3.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 208 | 0.93 | 15 | 0.68 | +http://www.semrush.com/bot.html |
| 11 | 126 | 0.56 | 27 | 1.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 97 | 0.43 | 68 | 3.07 | Windows 95 |
| 13 | 76 | 0.34 | 14 | 0.63 | Windows 98 |
| 14 | 73 | 0.32 | 5 | 0.23 | +http://www.seokicks.de/robot.html |
| 15 | 46 | 0.20 | 2 | 0.09 | +http://www.warebay.com/bot.html |
| 16 | 44 | 0.20 | 22 | 0.99 | +http://duckduckgo.com |
| 17 | 28 | 0.12 | 20 | 0.90 | Auto; Windows |
| 18 | 24 | 0.11 | 2 | 0.09 | +https://www.dataprovider.com/ |
| 19 | 23 | 0.10 | 15 | 0.68 | Windows ME |
| 20 | 23 | 0.10 | 19 | 0.86 | MSIE 5.5; Windows NT 4.0 |
| 21 | 22 | 0.10 | 17 | 0.77 | Windows 2000 |
| 22 | 22 | 0.10 | 19 | 0.86 | ) - BrowseX (2.0.0 Windows |
| 23 | 21 | 0.09 | 1 | 0.05 | +http://megaindex.com/crawler |
| 24 | 18 | 0.08 | 9 | 0.41 | +http://www.exabot.com/go/robot |
| 25 | 17 | 0.08 | 13 | 0.59 | Windows CE |
| 26 | 16 | 0.07 | 4 | 0.18 | +http://webmeup-crawler.com/ |
| 27 | 14 | 0.06 | 4 | 0.18 | Windows XP |
| 28 | 13 | 0.06 | 9 | 0.41 | Windows 3.1 |
| 29 | 12 | 0.05 | 10 | 0.45 | MSIE 5.5; Windows NT 5.0 |
| 30 | 8 | 0.04 | 4 | 0.18 | +https://www.mojeek.com/bot.html |
| 31 | 4 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 2 | 0.01 | 2 | 0.09 | +info@netcraft.com |
| 33 | 2 | 0.01 | 1 | 0.05 | +http://siteexplorer.info/ |
| 34 | 2 | 0.01 | 1 | 0.05 | X11 |
