| Used Operating Systems |
| 1 | 24195 | 49.12 | 3120 | 39.98 | Windows NT |
| 2 | 6300 | 12.79 | 77 | 0.99 | +http://ahrefs.com/robot/ |
| 3 | 5797 | 11.77 | 47 | 0.60 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 3594 | 7.30 | 3449 | 44.20 | Linux i686 [unknown version] |
| 5 | 3580 | 7.27 | 256 | 3.28 | Macintosh |
| 6 | 1670 | 3.39 | 214 | 2.74 | +http://www.baidu.com/search/spider.html |
| 7 | 1427 | 2.90 | 167 | 2.14 | +http://www.bing.com/bingbot.htm |
| 8 | 1192 | 2.42 | 115 | 1.47 | +http://www.google.com/bot.html |
| 9 | 266 | 0.54 | 14 | 0.18 | +http://yandex.com/bots |
| 10 | 203 | 0.41 | 5 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 185 | 0.38 | 5 | 0.06 | +http://www.semrush.com/bot.html |
| 12 | 123 | 0.25 | 72 | 0.92 | Windows 95 |
| 13 | 111 | 0.23 | 4 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 79 | 0.16 | 25 | 0.32 | Windows 98 |
| 15 | 62 | 0.13 | 62 | 0.79 | +http://monasterytea.spbdyet.ru |
| 16 | 54 | 0.11 | 7 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 17 | 52 | 0.11 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 37 | 0.08 | 0 | 0.00 | InfegyAtlas/1.0; en-US; collection@infeg... |
| 19 | 30 | 0.06 | 30 | 0.38 | +http://warifort.moykrest.ru/ |
| 20 | 26 | 0.05 | 13 | 0.17 | Windows ME |
| 21 | 24 | 0.05 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 22 | 22 | 0.04 | 2 | 0.03 | crawler@mixrank.com |
| 23 | 20 | 0.04 | 8 | 0.10 | +http://www.linkdex.com/bots/ |
| 24 | 19 | 0.04 | 9 | 0.12 | Windows CE |
| 25 | 19 | 0.04 | 14 | 0.18 | Auto; Windows |
| 26 | 16 | 0.03 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 27 | 16 | 0.03 | 9 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 28 | 16 | 0.03 | 8 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 16 | 0.03 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 30 | 14 | 0.03 | 11 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 31 | 12 | 0.02 | 10 | 0.13 | Windows 2000 |
| 32 | 12 | 0.02 | 1 | 0.01 | Windows XP |
| 33 | 12 | 0.02 | 8 | 0.10 | Windows 3.1 |
| 34 | 11 | 0.02 | 9 | 0.12 | +http://domainsigma.com/robot |
| 35 | 9 | 0.02 | 5 | 0.06 | X11 |
| 36 | 8 | 0.02 | 7 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 37 | 8 | 0.02 | 4 | 0.05 | +http://duckduckgo.com |
| 38 | 4 | 0.01 | 2 | 0.03 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 39 | 3 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 40 | 2 | 0.00 | 2 | 0.03 | +https://gimmeusa.com/pages/crawler |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 43 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
