| Used Operating Systems |
| 1 | 21446 | 54.18 | 288 | 10.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5238 | 13.23 | 440 | 15.82 | Windows NT |
| 3 | 3515 | 8.88 | 677 | 24.34 | +http://www.baidu.com/search/spider.html |
| 4 | 2741 | 6.93 | 122 | 4.39 | +http://yandex.com/bots |
| 5 | 2170 | 5.48 | 424 | 15.24 | +http://www.google.com/bot.html |
| 6 | 1381 | 3.49 | 276 | 9.92 | +http://www.bing.com/bingbot.htm |
| 7 | 709 | 1.79 | 179 | 6.43 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 617 | 1.56 | 14 | 0.50 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 274 | 0.69 | 75 | 2.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 250 | 0.63 | 4 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 11 | 169 | 0.43 | 33 | 1.19 | +http://www.xovibot.net/ |
| 12 | 157 | 0.40 | 54 | 1.94 | +http://ahrefs.com/robot/ |
| 13 | 145 | 0.37 | 4 | 0.14 | +http://corp.sputnik.ru/webmaster |
| 14 | 129 | 0.33 | 18 | 0.65 | +http://www.semrush.com/bot.html |
| 15 | 115 | 0.29 | 88 | 3.16 | +http://www.linkdex.com/bots/ |
| 16 | 95 | 0.24 | 1 | 0.04 | +http://megaindex.com/crawler |
| 17 | 86 | 0.22 | 1 | 0.04 | +https://www.aihitdata.com/about |
| 18 | 68 | 0.17 | 12 | 0.43 | +http://siteexplorer.info/ |
| 19 | 67 | 0.17 | 6 | 0.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 32 | 0.08 | 4 | 0.14 | +http://www.seokicks.de/robot.html |
| 21 | 27 | 0.07 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 22 | 23 | 0.06 | 5 | 0.18 | +http://help.coccoc.com/searchengine |
| 23 | 20 | 0.05 | 2 | 0.07 | http://filterdb.iss.net/crawler/ |
| 24 | 17 | 0.04 | 3 | 0.11 | +http://www.exabot.com/go/robot |
| 25 | 10 | 0.03 | 0 | 0.00 | Windows Phone OS 7.5 |
| 26 | 9 | 0.02 | 9 | 0.32 | Windows 95 |
| 27 | 9 | 0.02 | 4 | 0.14 | Windows 98 |
| 28 | 7 | 0.02 | 5 | 0.18 | Windows 3.1 |
| 29 | 6 | 0.02 | 3 | 0.11 | Linux i686 [unknown version] |
| 30 | 6 | 0.02 | 4 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 31 | 4 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 32 | 4 | 0.01 | 3 | 0.11 | Windows XP |
| 33 | 4 | 0.01 | 2 | 0.07 | +http://duckduckgo.com |
| 34 | 3 | 0.01 | 3 | 0.11 | support@everyonesocial.com http://everyo... |
| 35 | 3 | 0.01 | 3 | 0.11 | Windows ME |
| 36 | 3 | 0.01 | 1 | 0.04 | +info@netcraft.com |
| 37 | 3 | 0.01 | 2 | 0.07 | +http://www.uptime.com/uptimebot |
| 38 | 2 | 0.01 | 2 | 0.07 | Windows 2000 |
| 39 | 2 | 0.01 | 0 | 0.00 | Android |
| 40 | 2 | 0.01 | 2 | 0.07 | Auto; Windows |
| 41 | 2 | 0.01 | 1 | 0.04 | Linux [unknown version] |
| 42 | 2 | 0.01 | 2 | 0.07 | FreeBSD [unknown version] |
| 43 | 2 | 0.01 | 1 | 0.04 | +http://domainsigma.com/robot |
| 44 | 2 | 0.01 | 2 | 0.07 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 47 | 1 | 0.00 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
