| Used Operating Systems |
| 1 | 7540 | 46.74 | 2226 | 50.86 | Windows NT |
| 2 | 2246 | 13.92 | 1171 | 26.75 | +http://www.baidu.com/search/spider.html |
| 3 | 1733 | 10.74 | 104 | 2.38 | +http://yandex.com/bots |
| 4 | 1420 | 8.80 | 121 | 2.76 | +http://www.google.com/bot.html |
| 5 | 824 | 5.11 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 6 | 564 | 3.50 | 296 | 6.76 | +http://www.easou.com/search/spider.html |
| 7 | 424 | 2.63 | 108 | 2.47 | +http://www.bing.com/bingbot.htm |
| 8 | 348 | 2.16 | 4 | 0.09 | http://crawler.sistrix.net/ |
| 9 | 180 | 1.12 | 9 | 0.21 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 155 | 0.96 | 87 | 1.99 | Windows 95 |
| 11 | 149 | 0.92 | 53 | 1.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 127 | 0.79 | 12 | 0.27 | Windows 98 |
| 13 | 98 | 0.61 | 30 | 0.69 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 44 | 0.27 | 0 | 0.00 | Windows XP |
| 15 | 33 | 0.20 | 20 | 0.46 | ) - BrowseX (2.0.0 Windows |
| 16 | 32 | 0.20 | 21 | 0.48 | Windows CE |
| 17 | 32 | 0.20 | 19 | 0.43 | Auto; Windows |
| 18 | 29 | 0.18 | 17 | 0.39 | Windows 3.1 |
| 19 | 27 | 0.17 | 18 | 0.41 | Windows 2000 |
| 20 | 27 | 0.17 | 18 | 0.41 | MSIE 5.5; Windows NT 5.0 |
| 21 | 26 | 0.16 | 13 | 0.30 | Windows ME |
| 22 | 26 | 0.16 | 17 | 0.39 | MSIE 5.5; Windows NT 4.0 |
| 23 | 20 | 0.12 | 0 | 0.00 | Android |
| 24 | 13 | 0.08 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 25 | 8 | 0.05 | 8 | 0.18 | +info@netcraft.com |
| 26 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 2 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
