| Used Operating Systems |
| 1 | 5500 | 43.01 | 76 | 1.65 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3004 | 23.49 | 2534 | 54.97 | +http://www.baidu.com/search/spider.html |
| 3 | 1857 | 14.52 | 1005 | 21.80 | Windows NT |
| 4 | 852 | 6.66 | 359 | 7.79 | +http://www.bing.com/bingbot.htm |
| 5 | 464 | 3.63 | 165 | 3.58 | +http://www.google.com/bot.html |
| 6 | 399 | 3.12 | 109 | 2.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 136 | 1.06 | 52 | 1.13 | +http://ahrefs.com/robot/ |
| 8 | 107 | 0.84 | 33 | 0.72 | +http://www.linkdex.com/bots/ |
| 9 | 57 | 0.45 | 42 | 0.91 | Windows 95 |
| 10 | 49 | 0.38 | 14 | 0.30 | +http://OpenLinkProfiler.org/bot |
| 11 | 47 | 0.37 | 47 | 1.02 | +http://monasterytea.spbdyet.ru |
| 12 | 46 | 0.36 | 12 | 0.26 | +http://yandex.com/bots |
| 13 | 35 | 0.27 | 15 | 0.33 | Windows 98 |
| 14 | 24 | 0.19 | 12 | 0.26 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 23 | 0.18 | 23 | 0.50 | +http://warifort.moykrest.ru/ |
| 16 | 18 | 0.14 | 14 | 0.30 | Windows 2000 |
| 17 | 14 | 0.11 | 6 | 0.13 | Windows XP |
| 18 | 12 | 0.09 | 3 | 0.07 | +https://www.lipperhey.com/en/about/ |
| 19 | 11 | 0.09 | 9 | 0.20 | Windows CE |
| 20 | 11 | 0.09 | 9 | 0.20 | Auto; Windows |
| 21 | 10 | 0.08 | 8 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 22 | 10 | 0.08 | 8 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 23 | 9 | 0.07 | 7 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 24 | 8 | 0.06 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 8 | 0.06 | 5 | 0.11 | Windows ME |
| 26 | 6 | 0.05 | 6 | 0.13 | Windows 3.1 |
| 27 | 6 | 0.05 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 28 | 6 | 0.05 | 2 | 0.04 | X11 |
| 29 | 6 | 0.05 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 30 | 5 | 0.04 | 5 | 0.11 | +http://www.domaintuno.com/robot |
| 31 | 5 | 0.04 | 1 | 0.02 | Android 2.3.5 |
| 32 | 5 | 0.04 | 3 | 0.07 | +http://www.semrush.com/bot.html |
| 33 | 5 | 0.04 | 5 | 0.11 | +http://domainsigma.com/robot |
| 34 | 4 | 0.03 | 4 | 0.09 | +https://gimmeusa.com/pages/crawler |
| 35 | 4 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 36 | 4 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 4 | 0.03 | 2 | 0.04 | +http://duckduckgo.com |
| 38 | 3 | 0.02 | 1 | 0.02 | crawler@mixrank.com |
| 39 | 3 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 40 | 3 | 0.02 | 1 | 0.02 | Windows 9x |
| 41 | 2 | 0.02 | 1 | 0.02 | +http://crawler.seolytics.net/ |
| 42 | 2 | 0.02 | 2 | 0.04 | Linux i686 [unknown version] |
| 43 | 2 | 0.02 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 1 | 0.01 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 45 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
