| Used Operating Systems |
| 1 | 25743 | 50.53 | 428 | 3.75 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8222 | 16.14 | 3991 | 34.96 | +http://ahrefs.com/robot/ |
| 3 | 7425 | 14.58 | 4828 | 42.29 | +http://www.baidu.com/search/spider.html |
| 4 | 3789 | 7.44 | 183 | 1.60 | +http://yandex.com/bots |
| 5 | 2225 | 4.37 | 568 | 4.98 | Windows NT |
| 6 | 969 | 1.90 | 299 | 2.62 | +http://www.bing.com/bingbot.htm |
| 7 | 886 | 1.74 | 383 | 3.35 | +http://www.google.com/bot.html |
| 8 | 489 | 0.96 | 283 | 2.48 | +http://www.linkdex.com/bots/ |
| 9 | 259 | 0.51 | 97 | 0.85 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 187 | 0.37 | 44 | 0.39 | +http://www.semrush.com/bot.html |
| 11 | 117 | 0.23 | 21 | 0.18 | +spider@seoscanners.net |
| 12 | 102 | 0.20 | 29 | 0.25 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 74 | 0.15 | 59 | 0.52 | +http://www.xovibot.net/ |
| 14 | 60 | 0.12 | 19 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 50 | 0.10 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 16 | 36 | 0.07 | 4 | 0.04 | +http://www.seokicks.de/robot.html |
| 17 | 34 | 0.07 | 31 | 0.27 | Windows 95 |
| 18 | 27 | 0.05 | 19 | 0.17 | Windows 98 |
| 19 | 20 | 0.04 | 2 | 0.02 | +http://megaindex.com/crawler |
| 20 | 20 | 0.04 | 9 | 0.08 | +http://duckduckgo.com |
| 21 | 18 | 0.04 | 13 | 0.11 | Windows XP |
| 22 | 16 | 0.03 | 1 | 0.01 | +https://teeraid.com/bot/ |
| 23 | 15 | 0.03 | 13 | 0.11 | Windows ME |
| 24 | 15 | 0.03 | 3 | 0.03 | PPC Mac OS X 10.5 |
| 25 | 14 | 0.03 | 6 | 0.05 | +https://www.mojeek.com/bot.html |
| 26 | 14 | 0.03 | 0 | 0.00 | Windows 92 |
| 27 | 13 | 0.03 | 11 | 0.10 | Windows 3.1 |
| 28 | 12 | 0.02 | 4 | 0.04 | +http://www.exabot.com/go/robot |
| 29 | 10 | 0.02 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 30 | 9 | 0.02 | 8 | 0.07 | Windows 2000 |
| 31 | 8 | 0.02 | 7 | 0.06 | +http://www.uptime.com/uptimebot |
| 32 | 8 | 0.02 | 6 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 33 | 6 | 0.01 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 34 | 6 | 0.01 | 3 | 0.03 | +http://help.coccoc.com/searchengine |
| 35 | 5 | 0.01 | 5 | 0.04 | Windows CE |
| 36 | 5 | 0.01 | 5 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 37 | 4 | 0.01 | 4 | 0.04 | +http://www.veooz.com/veoozbot.html |
| 38 | 4 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 39 | 4 | 0.01 | 4 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 40 | 3 | 0.01 | 3 | 0.03 | Windows 2004 |
| 41 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 42 | 2 | 0.00 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 43 | 2 | 0.00 | 2 | 0.02 | +https://rankval.com |
| 44 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 45 | 2 | 0.00 | 2 | 0.02 | Linux i586 [unknown version] |
| 46 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.00 | 1 | 0.01 | Windows 2002 |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows 2005 |
