| Used Operating Systems |
| 1 | 40371 | 45.23 | 3478 | 34.41 | Windows NT |
| 2 | 17703 | 19.83 | 151 | 1.49 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 13475 | 15.10 | 467 | 4.62 | +http://ahrefs.com/robot/ |
| 4 | 6775 | 7.59 | 2 | 0.02 | +http://megaindex.com/crawler |
| 5 | 6548 | 7.34 | 4674 | 46.25 | +http://www.baidu.com/search/spider.html |
| 6 | 1120 | 1.25 | 326 | 3.23 | +http://yandex.com/bots |
| 7 | 858 | 0.96 | 388 | 3.84 | +http://www.google.com/bot.html |
| 8 | 537 | 0.60 | 222 | 2.20 | +http://www.bing.com/bingbot.htm |
| 9 | 486 | 0.54 | 122 | 1.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 450 | 0.50 | 10 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 11 | 378 | 0.42 | 31 | 0.31 | +http://www.exabot.com/go/robot |
| 12 | 210 | 0.24 | 51 | 0.50 | +http://www.linkdex.com/bots/ |
| 13 | 80 | 0.09 | 28 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 50 | 0.06 | 49 | 0.48 | +info@netcraft.com |
| 15 | 33 | 0.04 | 11 | 0.11 | Windows 98 |
| 16 | 32 | 0.04 | 3 | 0.03 | +http://sur.ly/bot.html |
| 17 | 29 | 0.03 | 26 | 0.26 | Windows 95 |
| 18 | 17 | 0.02 | 3 | 0.03 | http://nmap.org/book/nse.html |
| 19 | 14 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 20 | 14 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 21 | 10 | 0.01 | 10 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 22 | 9 | 0.01 | 9 | 0.09 | Auto; Windows |
| 23 | 9 | 0.01 | 9 | 0.09 | Windows 3.1 |
| 24 | 7 | 0.01 | 7 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 25 | 5 | 0.01 | 5 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 26 | 4 | 0.00 | 4 | 0.04 | Windows 2000 |
| 27 | 4 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 28 | 4 | 0.00 | 3 | 0.03 | X11 |
| 29 | 3 | 0.00 | 3 | 0.03 | Windows CE |
| 30 | 3 | 0.00 | 2 | 0.02 | Windows XP |
| 31 | 3 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 32 | 3 | 0.00 | 2 | 0.02 | Android 2.3.5 |
| 33 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 34 | 2 | 0.00 | 2 | 0.02 | apps-spreadsheets; +http://docs.google.c... |
| 35 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 36 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 38 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
