| Used Operating Systems |
| 1 | 13253 | 41.80 | 194 | 2.50 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4742 | 14.96 | 3282 | 42.30 | +http://ahrefs.com/robot/ |
| 3 | 4566 | 14.40 | 1216 | 15.67 | Windows NT |
| 4 | 2393 | 7.55 | 159 | 2.05 | +http://yandex.com/bots |
| 5 | 2116 | 6.67 | 393 | 5.07 | +http://www.google.com/bot.html |
| 6 | 2062 | 6.50 | 1837 | 23.68 | +http://www.baidu.com/search/spider.html |
| 7 | 547 | 1.73 | 219 | 2.82 | +http://www.bing.com/bingbot.htm |
| 8 | 487 | 1.54 | 4 | 0.05 | +http://siteexplorer.info/ |
| 9 | 401 | 1.26 | 100 | 1.29 | +http://www.linkdex.com/bots/ |
| 10 | 318 | 1.00 | 52 | 0.67 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 272 | 0.86 | 94 | 1.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 84 | 0.26 | 8 | 0.10 | +spider@seoscanners.net |
| 13 | 76 | 0.24 | 19 | 0.24 | +http://www.semrush.com/bot.html |
| 14 | 72 | 0.23 | 36 | 0.46 | +http://www.xovibot.net/ |
| 15 | 70 | 0.22 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 16 | 54 | 0.17 | 21 | 0.27 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 35 | 0.11 | 7 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 30 | 0.09 | 29 | 0.37 | Windows 95 |
| 19 | 24 | 0.08 | 21 | 0.27 | Windows 98 |
| 20 | 13 | 0.04 | 0 | 0.00 | X11 |
| 21 | 9 | 0.03 | 9 | 0.12 | Windows 2000 |
| 22 | 9 | 0.03 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 23 | 7 | 0.02 | 6 | 0.08 | Windows XP |
| 24 | 7 | 0.02 | 7 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 25 | 6 | 0.02 | 6 | 0.08 | Windows CE |
| 26 | 6 | 0.02 | 6 | 0.08 | Auto; Windows |
| 27 | 6 | 0.02 | 6 | 0.08 | Windows ME |
| 28 | 6 | 0.02 | 5 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 29 | 5 | 0.02 | 1 | 0.01 | +info@netcraft.com |
| 30 | 5 | 0.02 | 4 | 0.05 | +http://www.uptime.com/uptimebot |
| 31 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 32 | 4 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 33 | 4 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 34 | 3 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 35 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 36 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 37 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
