| Used Operating Systems |
| 1 | 21528 | 62.20 | 6277 | 73.82 | Windows NT |
| 2 | 2536 | 7.33 | 165 | 1.94 | +http://yandex.com/bots |
| 3 | 1938 | 5.60 | 551 | 6.48 | +http://www.bing.com/bingbot.htm |
| 4 | 1638 | 4.73 | 82 | 0.96 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1612 | 4.66 | 255 | 3.00 | help@moz.com |
| 6 | 1309 | 3.78 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 7 | 824 | 2.38 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 8 | 807 | 2.33 | 690 | 8.11 | +http://www.baidu.com/search/spider.html |
| 9 | 719 | 2.08 | 170 | 2.00 | +http://www.google.com/bot.html |
| 10 | 664 | 1.92 | 38 | 0.45 | Windows 98 |
| 11 | 256 | 0.74 | 1 | 0.01 | +http://www.linkpad.ru |
| 12 | 175 | 0.51 | 62 | 0.73 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 153 | 0.44 | 59 | 0.69 | +http://www.linkdex.com/about/bots/ |
| 14 | 101 | 0.29 | 25 | 0.29 | X11 |
| 15 | 63 | 0.18 | 22 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 48 | 0.14 | 13 | 0.15 | Android 2.3.5 |
| 17 | 36 | 0.10 | 17 | 0.20 | Windows 95 |
| 18 | 23 | 0.07 | 14 | 0.16 | +http://www.exabot.com/go/robot |
| 19 | 19 | 0.05 | 2 | 0.02 | +http://siteexplorer.info/ |
| 20 | 17 | 0.05 | 6 | 0.07 | +http://www.semrush.com/bot.html |
| 21 | 16 | 0.05 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 22 | 15 | 0.04 | 5 | 0.06 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 23 | 13 | 0.04 | 5 | 0.06 | Windows XP |
| 24 | 12 | 0.03 | 5 | 0.06 | Auto; Windows |
| 25 | 12 | 0.03 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 26 | 9 | 0.03 | 5 | 0.06 | Windows 3.1 |
| 27 | 8 | 0.02 | 5 | 0.06 | Windows 2000 |
| 28 | 7 | 0.02 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 29 | 6 | 0.02 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 30 | 6 | 0.02 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 31 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 32 | 5 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 34 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 35 | 4 | 0.01 | 2 | 0.02 | Windows ME |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 3 | 0.01 | 0 | 0.00 | Win32 |
| 38 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 40 | 2 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 41 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
