| Used Operating Systems |
| 1 | 13804 | 29.85 | 97 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6399 | 13.84 | 2 | 0.02 | +http://megaindex.com/crawler |
| 3 | 6235 | 13.48 | 559 | 6.44 | +http://www.bing.com/bingbot.htm |
| 4 | 5848 | 12.65 | 3705 | 42.67 | +http://ahrefs.com/robot/ |
| 5 | 4226 | 9.14 | 2023 | 23.30 | +http://www.baidu.com/search/spider.html |
| 6 | 3392 | 7.34 | 422 | 4.86 | +http://www.google.com/bot.html |
| 7 | 3267 | 7.07 | 1132 | 13.04 | Windows NT |
| 8 | 1009 | 2.18 | 209 | 2.41 | +http://www.linkdex.com/bots/ |
| 9 | 455 | 0.98 | 87 | 1.00 | +http://yandex.com/bots |
| 10 | 299 | 0.65 | 133 | 1.53 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 250 | 0.54 | 1 | 0.01 | Linux i586 [unknown version] |
| 12 | 167 | 0.36 | 8 | 0.09 | +http://fulltext.sblog.cz/ |
| 13 | 151 | 0.33 | 12 | 0.14 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 135 | 0.29 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 15 | 114 | 0.25 | 19 | 0.22 | +http://www.semrush.com/bot.html |
| 16 | 87 | 0.19 | 62 | 0.71 | Windows 95 |
| 17 | 65 | 0.14 | 29 | 0.33 | Windows 98 |
| 18 | 45 | 0.10 | 45 | 0.52 | +http://www.xovibot.net/ |
| 19 | 38 | 0.08 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 20 | 32 | 0.07 | 8 | 0.09 | http://www.botje.com/plukkie.htm |
| 21 | 27 | 0.06 | 9 | 0.10 | Windows XP |
| 22 | 24 | 0.05 | 11 | 0.13 | +http://duckduckgo.com |
| 23 | 17 | 0.04 | 16 | 0.18 | Windows CE |
| 24 | 17 | 0.04 | 14 | 0.16 | Windows ME |
| 25 | 16 | 0.03 | 9 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 26 | 14 | 0.03 | 9 | 0.10 | Windows 2000 |
| 27 | 12 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 12 | 0.03 | 9 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 29 | 10 | 0.02 | 8 | 0.09 | Auto; Windows |
| 30 | 10 | 0.02 | 10 | 0.12 | Windows 3.1 |
| 31 | 9 | 0.02 | 9 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 32 | 8 | 0.02 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 6 | 0.01 | 2 | 0.02 | +http://www.findxbot.com |
| 34 | 6 | 0.01 | 3 | 0.03 | +http://www.exabot.com/go/robot |
| 35 | 5 | 0.01 | 3 | 0.03 | http://nmap.org/book/nse.html |
| 36 | 5 | 0.01 | 1 | 0.01 | X11 |
| 37 | 4 | 0.01 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 38 | 4 | 0.01 | 2 | 0.02 | +https://www.mojeek.com/bot.html |
| 39 | 3 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 40 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 42 | 1 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 46 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
