| Used Operating Systems |
| 1 | 19881 | 72.17 | 183 | 4.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2603 | 9.45 | 2204 | 57.86 | +http://www.baidu.com/search/spider.html |
| 3 | 1915 | 6.95 | 298 | 7.82 | +http://www.bing.com/bingbot.htm |
| 4 | 882 | 3.20 | 96 | 2.52 | +http://yandex.com/bots |
| 5 | 763 | 2.77 | 487 | 12.79 | Windows NT |
| 6 | 354 | 1.29 | 79 | 2.07 | +http://www.linkdex.com/bots/ |
| 7 | 334 | 1.21 | 170 | 4.46 | +http://www.google.com/bot.html |
| 8 | 200 | 0.73 | 11 | 0.29 | +http://fulltext.sblog.cz/ |
| 9 | 161 | 0.58 | 96 | 2.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 86 | 0.31 | 28 | 0.74 | +http://www.exabot.com/go/robot |
| 11 | 62 | 0.23 | 2 | 0.05 | +http://megaindex.com/crawler |
| 12 | 42 | 0.15 | 22 | 0.58 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 42 | 0.15 | 42 | 1.10 | +http://www.xovibot.net/ |
| 14 | 35 | 0.13 | 5 | 0.13 | +http://www.findxbot.com |
| 15 | 24 | 0.09 | 8 | 0.21 | +http://OpenLinkProfiler.org/bot |
| 16 | 21 | 0.08 | 11 | 0.29 | +http://ahrefs.com/robot/ |
| 17 | 21 | 0.08 | 21 | 0.55 | Windows 95 |
| 18 | 18 | 0.07 | 8 | 0.21 | +http://duckduckgo.com |
| 19 | 13 | 0.05 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 20 | 12 | 0.04 | 3 | 0.08 | +http://webmeup-crawler.com/ |
| 21 | 10 | 0.04 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 22 | 10 | 0.04 | 5 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 9 | 0.03 | 5 | 0.13 | Windows 98 |
| 24 | 8 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 25 | 5 | 0.02 | 1 | 0.03 | Windows XP |
| 26 | 4 | 0.01 | 4 | 0.11 | Auto; Windows |
| 27 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 28 | 3 | 0.01 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 29 | 2 | 0.01 | 1 | 0.03 | Windows 2000 |
| 30 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 2 | 0.01 | 2 | 0.05 | +http://www.privacyaware.org |
| 32 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 33 | 2 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 34 | 2 | 0.01 | 1 | 0.03 | X11 |
| 35 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 36 | 1 | 0.00 | 1 | 0.03 | Windows CE |
| 37 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 38 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 40 | 1 | 0.00 | 1 | 0.03 | Windows ME |
| 41 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 42 | 1 | 0.00 | 1 | 0.03 | +https://www.wslta.com/WoTBoT.html |
| 43 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 45 | 1 | 0.00 | 0 | 0.00 | HP-UX 9000/785 |
| 46 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |