| Used Operating Systems |
| 1 | 3421 | 31.37 | 515 | 13.00 | +http://www.bing.com/bingbot.htm |
| 2 | 2701 | 24.77 | 44 | 1.11 | +http://yandex.com/bots |
| 3 | 1746 | 16.01 | 1631 | 41.17 | +http://www.baidu.com/search/spider.html |
| 4 | 1336 | 12.25 | 979 | 24.71 | Windows NT |
| 5 | 744 | 6.82 | 424 | 10.70 | +http://www.google.com/bot.html |
| 6 | 296 | 2.71 | 106 | 2.68 | +http://ahrefs.com/robot/ |
| 7 | 190 | 1.74 | 106 | 2.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 89 | 0.82 | 11 | 0.28 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 84 | 0.77 | 77 | 1.94 | +http://www.easou.com/search/spider.html |
| 10 | 64 | 0.59 | 2 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 11 | 52 | 0.48 | 1 | 0.03 | +http://www.linkpad.ru |
| 12 | 51 | 0.47 | 17 | 0.43 | +http://www.meanpath.com/meanpathbot.htm... |
| 13 | 38 | 0.35 | 12 | 0.30 | +http://www.exabot.com/go/robot |
| 14 | 26 | 0.24 | 10 | 0.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 12 | 0.11 | 3 | 0.08 | +http://uni5download.com |
| 16 | 12 | 0.11 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 17 | 8 | 0.07 | 4 | 0.10 | http://crawler.sistrix.net/ |
| 18 | 6 | 0.06 | 3 | 0.08 | +http://wmaid.com/explore/ |
| 19 | 5 | 0.05 | 1 | 0.03 | +http://overx50.com |
| 20 | 4 | 0.04 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 21 | 4 | 0.04 | 1 | 0.03 | +http://mydownloadengine.com |
| 22 | 3 | 0.03 | 1 | 0.03 | +http://inload.me |
| 23 | 2 | 0.02 | 2 | 0.05 | Linux 2.4.x |
| 24 | 2 | 0.02 | 2 | 0.05 | PPC Mac OS X Mach-O |
| 25 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 26 | 2 | 0.02 | 2 | 0.05 | Windows 98 |
| 27 | 1 | 0.01 | 1 | 0.03 | i686 Linux; 20020120 |
| 28 | 1 | 0.01 | 1 | 0.03 | +http://136.186.231.16 |
| 29 | 1 | 0.01 | 1 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 30 | 1 | 0.01 | 1 | 0.03 | +http://gimme60.com |
| 31 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
