| Used Operating Systems |
| 1 | 19186 | 67.93 | 189 | 8.26 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2847 | 10.08 | 1142 | 49.89 | Windows NT |
| 3 | 2443 | 8.65 | 194 | 8.48 | +http://yandex.com/bots |
| 4 | 1936 | 6.85 | 196 | 8.56 | +http://www.bing.com/bingbot.htm |
| 5 | 445 | 1.58 | 32 | 1.40 | +http://www.semrush.com/bot.html |
| 6 | 239 | 0.85 | 4 | 0.17 | +http://ahrefs.com/robot/ |
| 7 | 235 | 0.83 | 101 | 4.41 | +http://www.baidu.com/search/spider.html |
| 8 | 147 | 0.52 | 69 | 3.01 | +http://www.google.com/bot.html |
| 9 | 140 | 0.50 | 49 | 2.14 | +http://www.linkdex.com/bots/ |
| 10 | 127 | 0.45 | 51 | 2.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 89 | 0.32 | 73 | 3.19 | Windows 95 |
| 12 | 53 | 0.19 | 19 | 0.83 | Windows 98 |
| 13 | 44 | 0.16 | 2 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 14 | 32 | 0.11 | 16 | 0.70 | +http://duckduckgo.com |
| 15 | 24 | 0.08 | 1 | 0.04 | +http://webmeup-crawler.com/ |
| 16 | 23 | 0.08 | 1 | 0.04 | +http://www.seokicks.de/robot.html |
| 17 | 22 | 0.08 | 3 | 0.13 | Linux i686 [unknown version] |
| 18 | 19 | 0.07 | 17 | 0.74 | Windows 2000 |
| 19 | 19 | 0.07 | 16 | 0.70 | Windows 3.1 |
| 20 | 18 | 0.06 | 18 | 0.79 | MSIE 5.5; Windows NT 5.0 |
| 21 | 18 | 0.06 | 2 | 0.09 | +http://www.findxbot.com |
| 22 | 17 | 0.06 | 3 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 15 | 0.05 | 14 | 0.61 | +http://www.xovibot.net/ |
| 24 | 15 | 0.05 | 15 | 0.66 | ) - BrowseX (2.0.0 Windows |
| 25 | 14 | 0.05 | 13 | 0.57 | Windows ME |
| 26 | 13 | 0.05 | 13 | 0.57 | Windows CE |
| 27 | 13 | 0.05 | 13 | 0.57 | Auto; Windows |
| 28 | 11 | 0.04 | 0 | 0.00 | +http://image2play.com/ |
| 29 | 10 | 0.04 | 5 | 0.22 | +http://www.exabot.com/go/robot |
| 30 | 9 | 0.03 | 8 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 31 | 7 | 0.02 | 2 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 32 | 4 | 0.01 | 4 | 0.17 | Linux [unknown version] |
| 33 | 3 | 0.01 | 1 | 0.04 | Windows XP |
| 34 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 35 | 2 | 0.01 | 1 | 0.04 | +https://www.mojeek.com/bot.html |
| 36 | 1 | 0.00 | 1 | 0.04 | +http://www.seograph.net/bot.html |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows 90 |
| 38 | 1 | 0.00 | 1 | 0.04 | +info@netcraft.com |
