| Used Operating Systems |
| 1 | 21432 | 43.98 | 207 | 1.50 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11177 | 22.93 | 8793 | 63.57 | +http://ahrefs.com/robot/ |
| 3 | 8163 | 16.75 | 509 | 3.68 | Windows NT |
| 4 | 4213 | 8.64 | 3546 | 25.64 | +http://www.baidu.com/search/spider.html |
| 5 | 2095 | 4.30 | 177 | 1.28 | +http://yandex.com/bots |
| 6 | 472 | 0.97 | 113 | 0.82 | +http://www.google.com/bot.html |
| 7 | 468 | 0.96 | 164 | 1.19 | +http://www.bing.com/bingbot.htm |
| 8 | 172 | 0.35 | 154 | 1.11 | +http://www.xovibot.net/ |
| 9 | 125 | 0.26 | 35 | 0.25 | +http://www.linkdex.com/bots/ |
| 10 | 110 | 0.23 | 7 | 0.05 | +http://www.semrush.com/bot.html |
| 11 | 78 | 0.16 | 36 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 69 | 0.14 | 24 | 0.17 | Windows 95 |
| 13 | 27 | 0.06 | 14 | 0.10 | +http://www.exabot.com/go/robot |
| 14 | 23 | 0.05 | 7 | 0.05 | Windows 98 |
| 15 | 21 | 0.04 | 6 | 0.04 | Windows ME |
| 16 | 20 | 0.04 | 4 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 17 | 12 | 0.02 | 4 | 0.03 | Windows CE |
| 18 | 12 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 19 | 12 | 0.02 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 20 | 9 | 0.02 | 6 | 0.04 | Windows XP |
| 21 | 5 | 0.01 | 4 | 0.03 | Windows 2000 |
| 22 | 5 | 0.01 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 23 | 4 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 24 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 25 | 2 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 26 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 27 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020120 |
| 28 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 29 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 30 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 31 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
