| Used Operating Systems |
| 1 | 14531 | 26.17 | 7427 | 66.59 | +http://ahrefs.com/robot/ |
| 2 | 11590 | 20.87 | 251 | 2.25 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 10577 | 19.05 | 676 | 6.06 | Windows NT |
| 4 | 9893 | 17.82 | 3 | 0.03 | +http://megaindex.com/crawler |
| 5 | 3402 | 6.13 | 15 | 0.13 | +http://www.warebay.com/bot.html |
| 6 | 2197 | 3.96 | 1842 | 16.52 | +http://www.baidu.com/search/spider.html |
| 7 | 1133 | 2.04 | 320 | 2.87 | +http://www.bing.com/bingbot.htm |
| 8 | 339 | 0.61 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 332 | 0.60 | 57 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 277 | 0.50 | 4 | 0.04 | +http://webmeup-crawler.com/ |
| 11 | 233 | 0.42 | 79 | 0.71 | +http://www.google.com/bot.html |
| 12 | 230 | 0.41 | 42 | 0.38 | +http://yandex.com/bots |
| 13 | 160 | 0.29 | 77 | 0.69 | +http://www.linkdex.com/bots/ |
| 14 | 107 | 0.19 | 87 | 0.78 | +http://www.xovibot.net/ |
| 15 | 95 | 0.17 | 72 | 0.65 | Windows 95 |
| 16 | 70 | 0.13 | 11 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 58 | 0.10 | 16 | 0.14 | Windows 98 |
| 18 | 54 | 0.10 | 6 | 0.05 | +http://www.seokicks.de/robot.html |
| 19 | 46 | 0.08 | 45 | 0.40 | +http://www.uptime.com/uptimebot |
| 20 | 20 | 0.04 | 17 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 21 | 19 | 0.03 | 7 | 0.06 | +http://www.exabot.com/go/robot |
| 22 | 18 | 0.03 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 23 | 17 | 0.03 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 24 | 16 | 0.03 | 13 | 0.12 | Windows 2000 |
| 25 | 16 | 0.03 | 2 | 0.02 | Windows XP |
| 26 | 16 | 0.03 | 12 | 0.11 | Windows ME |
| 27 | 16 | 0.03 | 13 | 0.12 | Windows 3.1 |
| 28 | 15 | 0.03 | 13 | 0.12 | Auto; Windows |
| 29 | 14 | 0.03 | 12 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 30 | 11 | 0.02 | 11 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 31 | 7 | 0.01 | 7 | 0.06 | Windows CE |
| 32 | 7 | 0.01 | 2 | 0.02 | +http://siteexplorer.info/ |
| 33 | 4 | 0.01 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 34 | 4 | 0.01 | 3 | 0.03 | +info@netcraft.com |
| 35 | 3 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.00 | 0 | 0.00 | X11 |
| 37 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 38 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
