| Used Operating Systems |
| 1 | 23839 | 27.83 | 233 | 1.87 | http://mj12bot.com/ |
| 2 | 22805 | 26.62 | 759 | 6.08 | +http://yandex.com/bots |
| 3 | 15287 | 17.85 | 8541 | 68.39 | +http://ahrefs.com/robot/ |
| 4 | 12340 | 14.41 | 410 | 3.28 | Windows NT |
| 5 | 4306 | 5.03 | 2 | 0.02 | +http://megaindex.com/crawler |
| 6 | 2497 | 2.92 | 18 | 0.14 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 2151 | 2.51 | 1862 | 14.91 | +http://www.baidu.com/search/spider.html |
| 8 | 672 | 0.78 | 252 | 2.02 | +http://www.bing.com/bingbot.htm |
| 9 | 431 | 0.50 | 216 | 1.73 | +http://www.linkdex.com/bots/ |
| 10 | 348 | 0.41 | 70 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 339 | 0.40 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 248 | 0.29 | 9 | 0.07 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 213 | 0.25 | 53 | 0.42 | +http://www.google.com/bot.html |
| 14 | 44 | 0.05 | 5 | 0.04 | +spider@seoscanners.net |
| 15 | 31 | 0.04 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 16 | 24 | 0.03 | 6 | 0.05 | +http://www.semrush.com/bot.html |
| 17 | 23 | 0.03 | 22 | 0.18 | +http://www.uptime.com/uptimebot |
| 18 | 20 | 0.02 | 5 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 12 | 0.01 | 6 | 0.05 | +http://www.exabot.com/go/robot |
| 20 | 8 | 0.01 | 2 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 7 | 0.01 | 6 | 0.05 | +info@netcraft.com |
| 22 | 5 | 0.01 | 1 | 0.01 | Windows 98 |
| 23 | 4 | 0.00 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 24 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 25 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 27 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
