| Used Operating Systems |
| 1 | 2977 | 35.82 | 2456 | 64.16 | +http://www.baidu.com/search/spider.html |
| 2 | 2605 | 31.35 | 304 | 7.94 | +http://yandex.com/bots |
| 3 | 835 | 10.05 | 403 | 10.53 | Windows NT |
| 4 | 640 | 7.70 | 186 | 4.86 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 367 | 4.42 | 173 | 4.52 | +http://www.bing.com/bingbot.htm |
| 6 | 282 | 3.39 | 87 | 2.27 | +http://www.google.com/bot.html |
| 7 | 266 | 3.20 | 90 | 2.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 60 | 0.72 | 4 | 0.10 | +https://www.aihitdata.com/about |
| 9 | 38 | 0.46 | 17 | 0.44 | Windows 98 |
| 10 | 36 | 0.43 | 17 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 36 | 0.43 | 25 | 0.65 | Windows 95 |
| 12 | 32 | 0.39 | 18 | 0.47 | +http://ahrefs.com/robot/ |
| 13 | 26 | 0.31 | 2 | 0.05 | +https://www.dataprovider.com/ |
| 14 | 24 | 0.29 | 8 | 0.21 | Windows 3.1 |
| 15 | 24 | 0.29 | 4 | 0.10 | +http://www.profound.net/domainappender |
| 16 | 19 | 0.23 | 5 | 0.13 | Windows XP |
| 17 | 14 | 0.17 | 5 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 18 | 7 | 0.08 | 6 | 0.16 | Windows CE |
| 19 | 6 | 0.07 | 4 | 0.10 | +info@netcraft.com |
| 20 | 4 | 0.05 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 21 | 2 | 0.02 | 2 | 0.05 | Windows 2000 |
| 22 | 2 | 0.02 | 2 | 0.05 | Windows ME |
| 23 | 2 | 0.02 | 2 | 0.05 | Linux [unknown version] |
| 24 | 2 | 0.02 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 25 | 2 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 26 | 2 | 0.02 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
