| Used Operating Systems |
| 1 | 4315 | 57.14 | 776 | 47.75 | Windows NT |
| 2 | 1350 | 17.88 | 75 | 4.62 | Windows 98 |
| 3 | 659 | 8.73 | 246 | 15.14 | +http://www.bing.com/bingbot.htm |
| 4 | 333 | 4.41 | 97 | 5.97 | +http://www.google.com/bot.html |
| 5 | 317 | 4.20 | 262 | 16.12 | +http://www.baidu.com/search/spider.html |
| 6 | 186 | 2.46 | 34 | 2.09 | +http://yandex.com/bots |
| 7 | 88 | 1.17 | 74 | 4.55 | +http://ahrefs.com/robot/ |
| 8 | 62 | 0.82 | 2 | 0.12 | http://www.lipperhey.com/ |
| 9 | 54 | 0.72 | 23 | 1.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 54 | 0.72 | 18 | 1.11 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 48 | 0.64 | 2 | 0.12 | Website Thumbnail Generator; +http://web... |
| 12 | 36 | 0.48 | 3 | 0.18 | +http://OpenLinkProfiler.org/bot |
| 13 | 24 | 0.32 | 2 | 0.12 | +http://endb-consolidated.aihit.com/ |
| 14 | 8 | 0.11 | 2 | 0.12 | MSIE 5.5; Windows NT 5.1 |
| 15 | 6 | 0.08 | 1 | 0.06 | Android |
| 16 | 4 | 0.05 | 2 | 0.12 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 17 | 4 | 0.05 | 4 | 0.25 | Linux [unknown version] |
| 18 | 2 | 0.03 | 0 | 0.00 | X11 |
| 19 | 2 | 0.03 | 2 | 0.12 | Linux i686 [unknown version] |
