| Used Operating Systems |
| 1 | 35845 | 49.32 | 561 | 3.75 | +http://www.semrush.com/bot.html |
| 2 | 12786 | 17.59 | 9288 | 62.08 | +http://ahrefs.com/robot/ |
| 3 | 8793 | 12.10 | 502 | 3.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 5911 | 8.13 | 1538 | 10.28 | Windows NT |
| 5 | 2880 | 3.96 | 125 | 0.84 | http://mj12bot.com/ |
| 6 | 2759 | 3.80 | 2186 | 14.61 | +http://www.baidu.com/search/spider.html |
| 7 | 975 | 1.34 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 655 | 0.90 | 161 | 1.08 | +http://www.linkdex.com/bots/ |
| 9 | 466 | 0.64 | 108 | 0.72 | +http://yandex.com/bots |
| 10 | 386 | 0.53 | 95 | 0.63 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 277 | 0.38 | 99 | 0.66 | +http://www.google.com/bot.html |
| 12 | 243 | 0.33 | 64 | 0.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 176 | 0.24 | 52 | 0.35 | +http://www.bing.com/bingbot.htm |
| 14 | 164 | 0.23 | 32 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 69 | 0.09 | 18 | 0.12 | X11 |
| 16 | 66 | 0.09 | 15 | 0.10 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 60 | 0.08 | 54 | 0.36 | +http://www.uptime.com/uptimebot |
| 18 | 36 | 0.05 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 19 | 34 | 0.05 | 0 | 0.00 | +http://www.xovibot.net/ |
| 20 | 17 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 21 | 14 | 0.02 | 6 | 0.04 | Windows 98 |
| 22 | 11 | 0.02 | 11 | 0.07 | Windows 95 |
| 23 | 8 | 0.01 | 8 | 0.05 | +http://alphaseobot.com/bot.html |
| 24 | 6 | 0.01 | 5 | 0.03 | Windows 3.1 |
| 25 | 6 | 0.01 | 3 | 0.02 | +http://www.exabot.com/go/robot |
| 26 | 5 | 0.01 | 4 | 0.03 | Windows CE |
| 27 | 5 | 0.01 | 2 | 0.01 | Windows XP |
| 28 | 5 | 0.01 | 5 | 0.03 | Linux i686 [unknown version] |
| 29 | 4 | 0.01 | 2 | 0.01 | +http://sur.ly/bot.html |
| 30 | 3 | 0.00 | 3 | 0.02 | Auto; Windows |
| 31 | 3 | 0.00 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 32 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 33 | 2 | 0.00 | 1 | 0.01 | Windows ME |
| 34 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 35 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 36 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
