| Used Operating Systems |
| 1 | 20302 | 40.18 | 161 | 1.75 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9167 | 18.14 | 210 | 2.28 | +http://ahrefs.com/robot/ |
| 3 | 6661 | 13.18 | 5070 | 54.97 | +http://www.baidu.com/search/spider.html |
| 4 | 5919 | 11.71 | 2510 | 27.21 | Windows NT |
| 5 | 3479 | 6.88 | 66 | 0.72 | +http://OpenLinkProfiler.org/bot |
| 6 | 1191 | 2.36 | 174 | 1.89 | +http://yandex.com/bots |
| 7 | 1026 | 2.03 | 8 | 0.09 | +http://www.warebay.com/bot.html |
| 8 | 900 | 1.78 | 295 | 3.20 | +http://www.bing.com/bingbot.htm |
| 9 | 870 | 1.72 | 357 | 3.87 | +http://www.google.com/bot.html |
| 10 | 475 | 0.94 | 135 | 1.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 127 | 0.25 | 21 | 0.23 | +http://www.linkdex.com/bots/ |
| 12 | 84 | 0.17 | 84 | 0.91 | +http://monasterytea.spbdyet.ru |
| 13 | 74 | 0.15 | 16 | 0.17 | +http://www.exabot.com/go/robot |
| 14 | 38 | 0.08 | 14 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 37 | 0.07 | 37 | 0.40 | +http://warifort.moykrest.ru/ |
| 16 | 25 | 0.05 | 10 | 0.11 | Windows 95 |
| 17 | 20 | 0.04 | 7 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 18 | 14 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 19 | 13 | 0.03 | 7 | 0.08 | Windows 98 |
| 20 | 12 | 0.02 | 3 | 0.03 | X11 |
| 21 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 22 | 10 | 0.02 | 4 | 0.04 | Auto; Windows |
| 23 | 10 | 0.02 | 5 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 24 | 9 | 0.02 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 25 | 8 | 0.02 | 4 | 0.04 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 26 | 8 | 0.02 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 6 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 28 | 5 | 0.01 | 2 | 0.02 | Windows CE |
| 29 | 5 | 0.01 | 2 | 0.02 | Windows XP |
| 30 | 5 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 31 | 3 | 0.01 | 1 | 0.01 | Windows ME |
| 32 | 2 | 0.00 | 1 | 0.01 | +http://www.seograph.net/bot.html |
| 33 | 2 | 0.00 | 2 | 0.02 | +https://gimmeusa.com/pages/crawler |
| 34 | 2 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 35 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 39 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 40 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
