| Used Operating Systems |
| 1 | 36821 | 36.50 | 348 | 3.40 | +http://www.semrush.com/bot.html |
| 2 | 18157 | 18.00 | 308 | 3.01 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 14646 | 14.52 | 1758 | 17.16 | Windows NT |
| 4 | 9849 | 9.76 | 2 | 0.02 | +http://megaindex.com/crawler |
| 5 | 8602 | 8.53 | 4192 | 40.93 | +http://ahrefs.com/robot/ |
| 6 | 2767 | 2.74 | 280 | 2.73 | +http://yandex.com/bots |
| 7 | 2288 | 2.27 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1819 | 1.80 | 1705 | 16.65 | +http://www.baidu.com/search/spider.html |
| 9 | 1199 | 1.19 | 573 | 5.59 | +http://www.google.com/bot.html |
| 10 | 1179 | 1.17 | 339 | 3.31 | +http://www.bing.com/bingbot.htm |
| 11 | 1003 | 0.99 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 12 | 481 | 0.48 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 13 | 383 | 0.38 | 82 | 0.80 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 341 | 0.34 | 6 | 0.06 | +http://www.seokicks.de/robot.html |
| 15 | 295 | 0.29 | 153 | 1.49 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 204 | 0.20 | 107 | 1.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 174 | 0.17 | 42 | 0.41 | +http://www.linkdex.com/bots/ |
| 18 | 127 | 0.13 | 24 | 0.23 | Windows 98 |
| 19 | 89 | 0.09 | 70 | 0.68 | Windows 95 |
| 20 | 74 | 0.07 | 25 | 0.24 | Windows XP |
| 21 | 49 | 0.05 | 48 | 0.47 | +http://www.xovibot.net/ |
| 22 | 38 | 0.04 | 17 | 0.17 | Windows ME |
| 23 | 34 | 0.03 | 3 | 0.03 | +http://siteexplorer.info/ |
| 24 | 30 | 0.03 | 27 | 0.26 | +http://www.uptime.com/uptimebot |
| 25 | 29 | 0.03 | 17 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 26 | 21 | 0.02 | 17 | 0.17 | ) - BrowseX (2.0.0 Windows |
| 27 | 20 | 0.02 | 13 | 0.13 | Windows 3.1 |
| 28 | 18 | 0.02 | 13 | 0.13 | Windows 2000 |
| 29 | 16 | 0.02 | 16 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 30 | 13 | 0.01 | 13 | 0.13 | Auto; Windows |
| 31 | 13 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 32 | 12 | 0.01 | 5 | 0.05 | +http://fulltext.sblog.cz/ |
| 33 | 11 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 34 | 10 | 0.01 | 5 | 0.05 | +http://www.exabot.com/go/robot |
| 35 | 9 | 0.01 | 9 | 0.09 | Windows CE |
| 36 | 8 | 0.01 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 37 | 7 | 0.01 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 38 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 4 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 40 | 4 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 41 | 4 | 0.00 | 3 | 0.03 | X11 |
| 42 | 4 | 0.00 | 2 | 0.02 | +http://duckduckgo.com |
| 43 | 3 | 0.00 | 2 | 0.02 | +http://sur.ly/bot.html |
| 44 | 2 | 0.00 | 1 | 0.01 | Android |
| 45 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 46 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 47 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
