| Used Operating Systems |
| 1 | 24889 | 76.63 | 208 | 4.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2493 | 7.68 | 993 | 22.52 | Windows NT |
| 3 | 2092 | 6.44 | 1804 | 40.91 | +http://www.baidu.com/search/spider.html |
| 4 | 1273 | 3.92 | 542 | 12.29 | +http://www.google.com/bot.html |
| 5 | 1151 | 3.54 | 655 | 14.85 | +http://www.bing.com/bingbot.htm |
| 6 | 161 | 0.50 | 96 | 2.18 | +http://yandex.com/bots |
| 7 | 88 | 0.27 | 4 | 0.09 | +https://www.aihitdata.com/about |
| 8 | 44 | 0.14 | 25 | 0.57 | +http://ahrefs.com/robot/ |
| 9 | 40 | 0.12 | 2 | 0.05 | +http://www.warebay.com/bot.html |
| 10 | 37 | 0.11 | 3 | 0.07 | Linux i586 [unknown version] |
| 11 | 35 | 0.11 | 15 | 0.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 29 | 0.09 | 15 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 22 | 0.07 | 11 | 0.25 | +http://www.exabot.com/go/robot |
| 14 | 20 | 0.06 | 4 | 0.09 | http://filterdb.iss.net/crawler/ |
| 15 | 19 | 0.06 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 16 | 18 | 0.06 | 1 | 0.02 | Linux i686 [unknown version] |
| 17 | 17 | 0.05 | 4 | 0.09 | +http://www.linkdex.com/bots/ |
| 18 | 9 | 0.03 | 5 | 0.11 | +https://gimmeusa.com/pages/crawler |
| 19 | 6 | 0.02 | 4 | 0.09 | +info@netcraft.com |
| 20 | 6 | 0.02 | 3 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 5 | 0.02 | 5 | 0.11 | http://nmap.org/book/nse.html |
| 22 | 4 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 3 | 0.01 | 1 | 0.02 | Windows 9x |
| 25 | 3 | 0.01 | 0 | 0.00 | Windows 98 |
| 26 | 3 | 0.01 | 3 | 0.07 | +http://domainsigma.com/robot |
| 27 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.01 | 2 | 0.05 | HP-UX 9000/785 |
| 29 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
