| Used Operating Systems |
| 1 | 11977 | 31.99 | 548 | 8.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 11323 | 30.24 | 199 | 2.95 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4629 | 12.36 | 1195 | 17.71 | Windows NT |
| 4 | 3374 | 9.01 | 2822 | 41.81 | +http://www.baidu.com/search/spider.html |
| 5 | 1205 | 3.22 | 653 | 9.68 | +http://www.google.com/bot.html |
| 6 | 1188 | 3.17 | 423 | 6.27 | +http://www.bing.com/bingbot.htm |
| 7 | 935 | 2.50 | 198 | 2.93 | +http://yandex.com/bots |
| 8 | 587 | 1.57 | 45 | 0.67 | +http://www.semrush.com/bot.html |
| 9 | 491 | 1.31 | 131 | 1.94 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 320 | 0.85 | 71 | 1.05 | +http://www.linkdex.com/bots/ |
| 11 | 320 | 0.85 | 5 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 12 | 201 | 0.54 | 95 | 1.41 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 91 | 0.24 | 73 | 1.08 | Windows 95 |
| 14 | 85 | 0.23 | 1 | 0.01 | Linux i686 [unknown version] |
| 15 | 73 | 0.19 | 54 | 0.80 | +http://ahrefs.com/robot/ |
| 16 | 63 | 0.17 | 1 | 0.01 | +http://megaindex.com/crawler |
| 17 | 60 | 0.16 | 5 | 0.07 | Android |
| 18 | 49 | 0.13 | 20 | 0.30 | Windows 98 |
| 19 | 45 | 0.12 | 41 | 0.61 | +http://www.uptime.com/uptimebot |
| 20 | 37 | 0.10 | 1 | 0.01 | J2ME/MIDP |
| 21 | 36 | 0.10 | 4 | 0.06 | +http://www.seokicks.de/robot.html |
| 22 | 35 | 0.09 | 10 | 0.15 | Windows XP |
| 23 | 34 | 0.09 | 10 | 0.15 | +http://napoveda.seznam.cz/en/seznambot-... |
| 24 | 27 | 0.07 | 3 | 0.04 | +http://siteexplorer.info/ |
| 25 | 21 | 0.06 | 16 | 0.24 | Windows CE |
| 26 | 19 | 0.05 | 12 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 27 | 19 | 0.05 | 17 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 28 | 18 | 0.05 | 13 | 0.19 | Auto; Windows |
| 29 | 18 | 0.05 | 9 | 0.13 | +http://duckduckgo.com |
| 30 | 15 | 0.04 | 12 | 0.18 | Windows ME |
| 31 | 14 | 0.04 | 12 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 32 | 14 | 0.04 | 6 | 0.09 | +http://www.exabot.com/go/robot |
| 33 | 13 | 0.03 | 2 | 0.03 | Android 2.3.5 |
| 34 | 12 | 0.03 | 4 | 0.06 | +https://deusu.de/robot.html |
| 35 | 12 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 36 | 12 | 0.03 | 6 | 0.09 | +http://help.coccoc.com/searchengine |
| 37 | 11 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 38 | 10 | 0.03 | 6 | 0.09 | Windows 2000 |
| 39 | 10 | 0.03 | 6 | 0.09 | Windows 3.1 |
| 40 | 10 | 0.03 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 41 | 6 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 42 | 4 | 0.01 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 43 | 4 | 0.01 | 2 | 0.03 | +http://help.coccoc.com/ |
| 44 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 45 | 3 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 46 | 2 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 47 | 2 | 0.01 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 48 | 2 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 50 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 51 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 52 | 1 | 0.00 | 0 | 0.00 | X11 |
