| Used Operating Systems |
| 1 | 22773 | 38.06 | 406 | 7.39 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18254 | 30.51 | 1050 | 19.12 | Windows NT |
| 3 | 8820 | 14.74 | 2 | 0.04 | +http://megaindex.com/crawler |
| 4 | 4611 | 7.71 | 2331 | 42.44 | +http://ahrefs.com/robot/ |
| 5 | 1797 | 3.00 | 912 | 16.60 | +http://www.baidu.com/search/spider.html |
| 6 | 1200 | 2.01 | 8 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 7 | 908 | 1.52 | 474 | 8.63 | +http://www.google.com/bot.html |
| 8 | 236 | 0.39 | 77 | 1.40 | +http://www.linkdex.com/bots/ |
| 9 | 229 | 0.38 | 85 | 1.55 | +http://yandex.com/bots |
| 10 | 227 | 0.38 | 3 | 0.05 | +http://webmeup-crawler.com/ |
| 11 | 206 | 0.34 | 21 | 0.38 | +http://www.bing.com/bingbot.htm |
| 12 | 189 | 0.32 | 64 | 1.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 168 | 0.28 | 16 | 0.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 56 | 0.09 | 20 | 0.36 | +http://www.exabot.com/go/robot |
| 15 | 31 | 0.05 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 24 | 0.04 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 17 | 17 | 0.03 | 1 | 0.02 | Windows 95 |
| 18 | 16 | 0.03 | 1 | 0.02 | Windows 98 |
| 19 | 16 | 0.03 | 8 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 14 | 0.02 | 2 | 0.04 | crawler@mixrank.com |
| 21 | 9 | 0.02 | 0 | 0.00 | Windows 9x |
| 22 | 6 | 0.01 | 3 | 0.05 | http://www.botje.com/plukkie.htm |
| 23 | 5 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 24 | 4 | 0.01 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 25 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 26 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 2 | 0.00 | 2 | 0.04 | Linux [unknown version] |
| 29 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 30 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 31 | 1 | 0.00 | 0 | 0.00 | S60 |
| 32 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 33 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
