| Used Operating Systems |
| 1 | 23101 | 42.51 | 281 | 5.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9847 | 18.12 | 2071 | 41.37 | Windows NT |
| 3 | 8274 | 15.23 | 1051 | 20.99 | +http://ahrefs.com/robot/ |
| 4 | 4949 | 9.11 | 113 | 2.26 | +http://yandex.com/bots |
| 5 | 1764 | 3.25 | 347 | 6.93 | +http://www.google.com/bot.html |
| 6 | 1294 | 2.38 | 114 | 2.28 | +http://www.bing.com/bingbot.htm |
| 7 | 1224 | 2.25 | 228 | 4.55 | help@moz.com |
| 8 | 1152 | 2.12 | 8 | 0.16 | http://crawler.sistrix.net/ |
| 9 | 776 | 1.43 | 4 | 0.08 | +http://siteexplorer.info/ |
| 10 | 621 | 1.14 | 469 | 9.37 | +http://www.baidu.com/search/spider.html |
| 11 | 500 | 0.92 | 92 | 1.84 | +http://www.linkdex.com/about/bots/ |
| 12 | 266 | 0.49 | 6 | 0.12 | +http://www.seoprofiler.com/bot |
| 13 | 207 | 0.38 | 45 | 0.90 | ezooms.bot@gmail.com |
| 14 | 62 | 0.11 | 41 | 0.82 | MSIE 5.5; Windows 95 |
| 15 | 46 | 0.08 | 4 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 39 | 0.07 | 32 | 0.64 | Windows 95 |
| 17 | 36 | 0.07 | 18 | 0.36 | +http://www.career-x.de/bot.html |
| 18 | 34 | 0.06 | 7 | 0.14 | X11 |
| 19 | 34 | 0.06 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 20 | 24 | 0.04 | 10 | 0.20 | Windows 98 |
| 21 | 12 | 0.02 | 10 | 0.20 | Windows ME |
| 22 | 12 | 0.02 | 1 | 0.02 | Android 2.3.5 |
| 23 | 9 | 0.02 | 8 | 0.16 | Windows CE |
| 24 | 8 | 0.01 | 7 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 25 | 8 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 7 | 0.01 | 6 | 0.12 | +http://www.semrush.com/bot.html |
| 27 | 5 | 0.01 | 1 | 0.02 | Windows XP |
| 28 | 4 | 0.01 | 4 | 0.08 | Windows 2000 |
| 29 | 4 | 0.01 | 4 | 0.08 | Auto; Windows |
| 30 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 4 | 0.01 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 32 | 4 | 0.01 | 3 | 0.06 | Linux i686 [unknown version] |
| 33 | 4 | 0.01 | 3 | 0.06 | Windows 3.1 |
| 34 | 3 | 0.01 | 3 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 35 | 2 | 0.00 | 2 | 0.04 | Linux i586 [unknown version] |
| 36 | 1 | 0.00 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
