| Used Operating Systems by Visits |
| 1 | 20579 | 17.17 | 11307 | 77.13 | +http://ahrefs.com/robot/ |
| 2 | 13368 | 11.16 | 1080 | 7.37 | Windows NT |
| 3 | 808 | 0.67 | 663 | 4.52 | +http://www.baidu.com/search/spider.html |
| 4 | 75335 | 62.87 | 536 | 3.66 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 888 | 0.74 | 229 | 1.56 | +http://www.bing.com/bingbot.htm |
| 6 | 580 | 0.48 | 194 | 1.32 | +http://www.google.com/bot.html |
| 7 | 979 | 0.82 | 187 | 1.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 872 | 0.73 | 150 | 1.02 | +http://www.linkdex.com/bots/ |
| 9 | 766 | 0.64 | 97 | 0.66 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 530 | 0.44 | 93 | 0.63 | +http://yandex.com/bots |
| 11 | 28 | 0.02 | 26 | 0.18 | +http://www.uptime.com/uptimebot |
| 12 | 77 | 0.06 | 18 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 23 | 0.02 | 16 | 0.11 | apps-spreadsheets; +http://docs.google.c... |
| 14 | 16 | 0.01 | 16 | 0.11 | +http://www.xovibot.net/ |
| 15 | 20 | 0.02 | 10 | 0.07 | +http://fulltext.sblog.cz/ |
| 16 | 66 | 0.06 | 8 | 0.05 | Windows 95 |
| 17 | 4542 | 3.79 | 6 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 18 | 28 | 0.02 | 3 | 0.02 | Windows ME |
| 19 | 46 | 0.04 | 3 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 20 | 2 | 0.00 | 2 | 0.01 | Windows CE |
| 21 | 10 | 0.01 | 2 | 0.01 | Windows 2000 |
| 22 | 16 | 0.01 | 2 | 0.01 | Windows 3.1 |
| 23 | 2 | 0.00 | 2 | 0.01 | FreeBSD [unknown version] |
| 24 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 25 | 154 | 0.13 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 26 | 4 | 0.00 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 4 | 0.00 | 2 | 0.01 | +http://www.exabot.com/go/robot |
| 28 | 34 | 0.03 | 1 | 0.01 | Windows XP |
| 29 | 26 | 0.02 | 1 | 0.01 | Windows 98 |
| 30 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 31 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 11 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
