| Used Operating Systems |
| 1 | 21761 | 61.28 | 454 | 8.58 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3617 | 10.19 | 2684 | 50.74 | +http://www.baidu.com/search/spider.html |
| 3 | 2138 | 6.02 | 192 | 3.63 | Windows NT |
| 4 | 1977 | 5.57 | 573 | 10.83 | +http://www.bing.com/bingbot.htm |
| 5 | 1626 | 4.58 | 435 | 8.22 | +http://www.google.com/bot.html |
| 6 | 1546 | 4.35 | 161 | 3.04 | +http://yandex.com/bots |
| 7 | 591 | 1.66 | 187 | 3.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 417 | 1.17 | 43 | 0.81 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 401 | 1.13 | 115 | 2.17 | +http://www.linkdex.com/bots/ |
| 10 | 246 | 0.69 | 6 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 11 | 243 | 0.68 | 70 | 1.32 | +http://www.semrush.com/bot.html |
| 12 | 203 | 0.57 | 77 | 1.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 191 | 0.54 | 164 | 3.10 | +http://www.xovibot.net/ |
| 14 | 184 | 0.52 | 9 | 0.17 | +http://corp.sputnik.ru/webmaster |
| 15 | 89 | 0.25 | 51 | 0.96 | +http://ahrefs.com/robot/ |
| 16 | 48 | 0.14 | 2 | 0.04 | +http://megaindex.com/crawler |
| 17 | 32 | 0.09 | 4 | 0.08 | +http://www.seokicks.de/robot.html |
| 18 | 28 | 0.08 | 4 | 0.08 | http://filterdb.iss.net/crawler/ |
| 19 | 28 | 0.08 | 2 | 0.04 | +http://www.apple.com/go/applebot |
| 20 | 24 | 0.07 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 21 | 22 | 0.06 | 11 | 0.21 | +http://www.exabot.com/go/robot |
| 22 | 20 | 0.06 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 12 | 0.03 | 4 | 0.08 | +http://www.profound.net/domainappender |
| 24 | 8 | 0.02 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 25 | 7 | 0.02 | 7 | 0.13 | Windows 95 |
| 26 | 6 | 0.02 | 2 | 0.04 | https://nmap.org/book/nse.html |
| 27 | 6 | 0.02 | 6 | 0.11 | Windows XP |
| 28 | 6 | 0.02 | 2 | 0.04 | +http://www.uptime.com/uptimebot |
| 29 | 4 | 0.01 | 2 | 0.04 | Macintosh |
| 30 | 4 | 0.01 | 3 | 0.06 | Windows 98 |
| 31 | 4 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 32 | 3 | 0.01 | 0 | 0.00 | Android |
| 33 | 2 | 0.01 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 34 | 2 | 0.01 | 2 | 0.04 | Auto; Windows |
| 35 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.01 | 2 | 0.04 | Windows Phone OS 7.5 |
| 37 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 38 | 2 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 39 | 2 | 0.01 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 41 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 43 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 44 | 1 | 0.00 | 0 | 0.00 | Windows ME |
