| Used Operating Systems |
| 1 | 39648 | 45.81 | 607 | 4.29 | +http://yandex.com/bots |
| 2 | 15021 | 17.36 | 11097 | 78.41 | +http://ahrefs.com/robot/ |
| 3 | 10850 | 12.54 | 598 | 4.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 6640 | 7.67 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 6162 | 7.12 | 130 | 0.92 | http://mj12bot.com/ |
| 6 | 4832 | 5.58 | 693 | 4.90 | Windows NT |
| 7 | 1377 | 1.59 | 7 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 8 | 619 | 0.72 | 585 | 4.13 | +http://www.baidu.com/search/spider.html |
| 9 | 362 | 0.42 | 87 | 0.61 | +http://www.linkdex.com/bots/ |
| 10 | 350 | 0.40 | 111 | 0.78 | +http://www.bing.com/bingbot.htm |
| 11 | 255 | 0.29 | 83 | 0.59 | +http://www.google.com/bot.html |
| 12 | 174 | 0.20 | 43 | 0.30 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 40 | 0.05 | 21 | 0.15 | Windows 98 |
| 14 | 38 | 0.04 | 10 | 0.07 | +http://www.semrush.com/bot.html |
| 15 | 31 | 0.04 | 20 | 0.14 | Windows 95 |
| 16 | 28 | 0.03 | 3 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 23 | 0.03 | 8 | 0.06 | Windows XP |
| 18 | 21 | 0.02 | 11 | 0.08 | Auto; Windows |
| 19 | 16 | 0.02 | 7 | 0.05 | +http://www.exabot.com/go/robot |
| 20 | 15 | 0.02 | 9 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 21 | 14 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 6 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 23 | 5 | 0.01 | 4 | 0.03 | Windows 3.1 |
| 24 | 4 | 0.00 | 3 | 0.02 | Windows 2000 |
| 25 | 4 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 26 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 27 | 3 | 0.00 | 3 | 0.02 | Windows CE |
| 28 | 3 | 0.00 | 3 | 0.02 | Windows ME |
| 29 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 30 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
