| Used Operating Systems |
| 1 | 19955 | 57.04 | 269 | 5.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5075 | 14.51 | 2854 | 55.36 | +http://www.baidu.com/search/spider.html |
| 3 | 3789 | 10.83 | 777 | 15.07 | Windows NT |
| 4 | 1606 | 4.59 | 357 | 6.93 | +http://www.google.com/bot.html |
| 5 | 974 | 2.78 | 138 | 2.68 | +http://yandex.com/bots |
| 6 | 788 | 2.25 | 180 | 3.49 | +http://www.bing.com/bingbot.htm |
| 7 | 624 | 1.78 | 142 | 2.75 | +http://www.linkdex.com/bots/ |
| 8 | 361 | 1.03 | 3 | 0.06 | +http://www.semrush.com/bot.html |
| 9 | 361 | 1.03 | 1 | 0.02 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 304 | 0.87 | 4 | 0.08 | +http://ahrefs.com/robot/ |
| 11 | 252 | 0.72 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 171 | 0.49 | 6 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 138 | 0.39 | 126 | 2.44 | +http://www.xovibot.net/ |
| 14 | 121 | 0.35 | 83 | 1.61 | Windows 95 |
| 15 | 74 | 0.21 | 20 | 0.39 | Windows 98 |
| 16 | 48 | 0.14 | 40 | 0.78 | +http://www.uptime.com/uptimebot |
| 17 | 47 | 0.13 | 11 | 0.21 | Windows XP |
| 18 | 36 | 0.10 | 4 | 0.08 | +http://www.seokicks.de/robot.html |
| 19 | 28 | 0.08 | 4 | 0.08 | +http://help.naver.com/robots/ |
| 20 | 24 | 0.07 | 17 | 0.33 | Windows 2000 |
| 21 | 20 | 0.06 | 19 | 0.37 | Windows CE |
| 22 | 19 | 0.05 | 13 | 0.25 | Windows 3.1 |
| 23 | 18 | 0.05 | 13 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 24 | 17 | 0.05 | 3 | 0.06 | +http://help.naver.com/support/robots.ht... |
| 25 | 17 | 0.05 | 13 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 26 | 15 | 0.04 | 5 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 27 | 12 | 0.03 | 11 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 28 | 12 | 0.03 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 29 | 12 | 0.03 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 30 | 11 | 0.03 | 10 | 0.19 | Auto; Windows |
| 31 | 9 | 0.03 | 7 | 0.14 | Windows ME |
| 32 | 6 | 0.02 | 3 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 33 | 6 | 0.02 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 34 | 6 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 35 | 5 | 0.01 | 5 | 0.10 | +http://megaindex.com/crawler |
| 36 | 4 | 0.01 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 37 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 38 | 3 | 0.01 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 39 | 2 | 0.01 | 2 | 0.04 | +https://gimmeusa.com/crawler.html |
| 40 | 2 | 0.01 | 1 | 0.02 | +https://deusu.de/robot.html |
| 41 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 42 | 2 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 43 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 44 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 45 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020615 |
| 46 | 1 | 0.00 | 1 | 0.02 | X11 |
