| Used Operating Systems |
| 1 | 9769 | 45.31 | 301 | 6.68 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 2931 | 13.60 | 723 | 16.05 | Windows NT |
| 3 | 2743 | 12.72 | 2184 | 48.47 | +http://www.baidu.com/search/spider.html |
| 4 | 1589 | 7.37 | 111 | 2.46 | +http://yandex.com/bots |
| 5 | 1461 | 6.78 | 437 | 9.70 | +http://www.bing.com/bingbot.htm |
| 6 | 1416 | 6.57 | 239 | 5.30 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 837 | 3.88 | 328 | 7.28 | +http://www.google.com/bot.html |
| 8 | 154 | 0.71 | 1 | 0.02 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 143 | 0.66 | 28 | 0.62 | +http://www.semrush.com/bot.html |
| 10 | 112 | 0.52 | 17 | 0.38 | +http://ahrefs.com/robot/ |
| 11 | 70 | 0.32 | 19 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 48 | 0.22 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 13 | 32 | 0.15 | 26 | 0.58 | Windows 95 |
| 14 | 32 | 0.15 | 4 | 0.09 | +http://www.seokicks.de/robot.html |
| 15 | 26 | 0.12 | 12 | 0.27 | Windows 98 |
| 16 | 22 | 0.10 | 8 | 0.18 | +http://www.exabot.com/go/robot |
| 17 | 20 | 0.09 | 7 | 0.16 | Windows XP |
| 18 | 18 | 0.08 | 2 | 0.04 | +http://siteexplorer.info/ |
| 19 | 16 | 0.07 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 20 | 13 | 0.06 | 8 | 0.18 | Windows 2000 |
| 21 | 13 | 0.06 | 7 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 22 | 12 | 0.06 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 23 | 10 | 0.05 | 1 | 0.02 | Linux i686 [unknown version] |
| 24 | 10 | 0.05 | 1 | 0.02 | Linux i586 [unknown version] |
| 25 | 9 | 0.04 | 7 | 0.16 | Windows ME |
| 26 | 9 | 0.04 | 7 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 27 | 7 | 0.03 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 28 | 6 | 0.03 | 3 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 5 | 0.02 | 4 | 0.09 | Windows 3.1 |
| 30 | 5 | 0.02 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 31 | 3 | 0.01 | 3 | 0.07 | Auto; Windows |
| 32 | 3 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 33 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 34 | 2 | 0.01 | 0 | 0.00 | Windows 92 |
| 35 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.01 | 2 | 0.04 | Macintosh |
| 37 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 39 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 40 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
