| Used Operating Systems |
| 1 | 12956 | 34.22 | 224 | 3.42 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7079 | 18.70 | 246 | 3.76 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 5196 | 13.72 | 1332 | 20.35 | Windows NT |
| 4 | 3250 | 8.58 | 2798 | 42.74 | +http://www.baidu.com/search/spider.html |
| 5 | 2813 | 7.43 | 237 | 3.62 | +http://yandex.com/bots |
| 6 | 2319 | 6.12 | 151 | 2.31 | +http://www.semrush.com/bot.html |
| 7 | 1253 | 3.31 | 689 | 10.53 | +http://www.google.com/bot.html |
| 8 | 1087 | 2.87 | 383 | 5.85 | +http://www.bing.com/bingbot.htm |
| 9 | 591 | 1.56 | 110 | 1.68 | +http://www.linkdex.com/bots/ |
| 10 | 367 | 0.97 | 126 | 1.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 256 | 0.68 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 12 | 183 | 0.48 | 10 | 0.15 | J2ME/MIDP |
| 13 | 115 | 0.30 | 42 | 0.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 111 | 0.29 | 79 | 1.21 | +http://ahrefs.com/robot/ |
| 15 | 45 | 0.12 | 5 | 0.08 | +http://www.seokicks.de/robot.html |
| 16 | 40 | 0.11 | 36 | 0.55 | Windows 95 |
| 17 | 26 | 0.07 | 2 | 0.03 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 20 | 0.05 | 13 | 0.20 | Windows 98 |
| 19 | 18 | 0.05 | 9 | 0.14 | +http://www.exabot.com/go/robot |
| 20 | 17 | 0.04 | 2 | 0.03 | X11 |
| 21 | 15 | 0.04 | 3 | 0.05 | Android 2.3.5 |
| 22 | 14 | 0.04 | 1 | 0.02 | Android |
| 23 | 12 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 24 | 11 | 0.03 | 6 | 0.09 | Windows XP |
| 25 | 9 | 0.02 | 1 | 0.02 | Series 60 |
| 26 | 6 | 0.02 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.01 | 5 | 0.08 | Windows CE |
| 28 | 5 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 29 | 4 | 0.01 | 4 | 0.06 | Windows 2000 |
| 30 | 4 | 0.01 | 2 | 0.03 | +spider@seoscanners.net |
| 31 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 32 | 3 | 0.01 | 2 | 0.03 | +http://glutenfreepleasure.com/ |
| 33 | 3 | 0.01 | 3 | 0.05 | Windows ME |
| 34 | 3 | 0.01 | 1 | 0.02 | https://help.yahoo.com/kb/yahoo-ad-monit... |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 36 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 37 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 38 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 40 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 43 | 1 | 0.00 | 1 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 44 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 45 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 47 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20021218 |
