| Used Operating Systems |
| 1 | 7695 | 38.12 | 1384 | 34.90 | Windows NT |
| 2 | 6305 | 31.23 | 119 | 3.00 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2183 | 10.81 | 332 | 8.37 | +http://ahrefs.com/robot/ |
| 4 | 1490 | 7.38 | 304 | 7.67 | +http://www.bing.com/bingbot.htm |
| 5 | 1445 | 7.16 | 1402 | 35.35 | +http://www.baidu.com/search/spider.html |
| 6 | 365 | 1.81 | 198 | 4.99 | +http://www.google.com/bot.html |
| 7 | 226 | 1.12 | 88 | 2.22 | +http://yandex.com/bots |
| 8 | 49 | 0.24 | 5 | 0.13 | +http://fulltext.sblog.cz/ |
| 9 | 41 | 0.20 | 18 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 41 | 0.20 | 12 | 0.30 | Windows 98 |
| 11 | 39 | 0.19 | 14 | 0.35 | Windows 95 |
| 12 | 30 | 0.15 | 9 | 0.23 | Windows XP |
| 13 | 28 | 0.14 | 28 | 0.71 | +http://www.xovibot.net/ |
| 14 | 27 | 0.13 | 10 | 0.25 | +http://help.coccoc.com/ |
| 15 | 23 | 0.11 | 8 | 0.20 | +http://www.exabot.com/go/robot |
| 16 | 22 | 0.11 | 0 | 0.00 | X11 |
| 17 | 18 | 0.09 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 18 | 16 | 0.08 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 15 | 0.07 | 1 | 0.03 | +http://megaindex.com/crawler |
| 20 | 14 | 0.07 | 1 | 0.03 | Linux [unknown version] |
| 21 | 14 | 0.07 | 6 | 0.15 | +http://www.linkdex.com/bots/ |
| 22 | 14 | 0.07 | 1 | 0.03 | +http://www.apple.com/go/applebot |
| 23 | 13 | 0.06 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 24 | 11 | 0.05 | 0 | 0.00 | Android 2.3.5 |
| 25 | 9 | 0.04 | 3 | 0.08 | Windows CE |
| 26 | 8 | 0.04 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 27 | 6 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 28 | 6 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.02 | 2 | 0.05 | Windows 2000 |
| 30 | 4 | 0.02 | 2 | 0.05 | Windows ME |
| 31 | 4 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 32 | 4 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 4 | 0.02 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 3 | 0.01 | 1 | 0.03 | Auto; Windows |
| 35 | 3 | 0.01 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 36 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 37 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 38 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 41 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |