| Used Operating Systems |
| 1 | 13726 | 66.41 | 190 | 5.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2062 | 9.98 | 437 | 13.53 | Windows NT |
| 3 | 1766 | 8.54 | 1484 | 45.96 | +http://www.baidu.com/search/spider.html |
| 4 | 1290 | 6.24 | 575 | 17.81 | +http://www.bing.com/bingbot.htm |
| 5 | 749 | 3.62 | 235 | 7.28 | +http://www.google.com/bot.html |
| 6 | 154 | 0.75 | 66 | 2.04 | +http://yandex.com/bots |
| 7 | 132 | 0.64 | 62 | 1.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 109 | 0.53 | 6 | 0.19 | +http://fulltext.sblog.cz/ |
| 9 | 90 | 0.44 | 6 | 0.19 | http://www.searchmetrics.com/en/searchme... |
| 10 | 64 | 0.31 | 2 | 0.06 | +https://www.aihitdata.com/about |
| 11 | 62 | 0.30 | 18 | 0.56 | +https://www.mojeek.com/bot.html |
| 12 | 51 | 0.25 | 11 | 0.34 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 50 | 0.24 | 18 | 0.56 | +http://www.linkdex.com/bots/ |
| 14 | 44 | 0.21 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 15 | 43 | 0.21 | 21 | 0.65 | +http://www.exabot.com/go/robot |
| 16 | 41 | 0.20 | 33 | 1.02 | +http://ahrefs.com/robot/ |
| 17 | 31 | 0.15 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 18 | 28 | 0.14 | 10 | 0.31 | +http://www.semrush.com/bot.html |
| 19 | 24 | 0.12 | 1 | 0.03 | +http://megaindex.com/crawler |
| 20 | 21 | 0.10 | 1 | 0.03 | +; |
| 21 | 18 | 0.09 | 6 | 0.19 | +http://OpenLinkProfiler.org/bot |
| 22 | 14 | 0.07 | 3 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 14 | 0.07 | 2 | 0.06 | http://filterdb.iss.net/crawler/ |
| 24 | 12 | 0.06 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 25 | 12 | 0.06 | 6 | 0.19 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 8 | 0.04 | 3 | 0.09 | +http://corp.sputnik.ru/webmaster |
| 27 | 8 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 7 | 0.03 | 2 | 0.06 | X11 |
| 29 | 5 | 0.02 | 5 | 0.15 | +http://domainsigma.com/robot |
| 30 | 4 | 0.02 | 4 | 0.12 | Windows 95 |
| 31 | 2 | 0.01 | 2 | 0.06 | Windows 2000 |
| 32 | 2 | 0.01 | 2 | 0.06 | Windows CE |
| 33 | 2 | 0.01 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 34 | 2 | 0.01 | 2 | 0.06 | Linux [unknown version] |
| 35 | 2 | 0.01 | 1 | 0.03 | Windows XP |
| 36 | 2 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 37 | 2 | 0.01 | 2 | 0.06 | Intel Mac OS X 10.7 |
| 38 | 2 | 0.01 | 2 | 0.06 | Linux i686 [unknown version] |
| 39 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 40 | 2 | 0.01 | 1 | 0.03 | +http://duckduckgo.com |
| 41 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 43 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh |
| 45 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 47 | 1 | 0.00 | 1 | 0.03 | Syllable |
| 48 | 1 | 0.00 | 1 | 0.03 | Windows 98 |
| 49 | 1 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
