| Used Operating Systems |
| 1 | 21664 | 50.77 | 537 | 22.74 | +http://yandex.com/bots |
| 2 | 13036 | 30.55 | 5 | 0.21 | +http://megaindex.com/crawler |
| 3 | 3284 | 7.70 | 161 | 6.82 | Windows NT |
| 4 | 2785 | 6.53 | 1096 | 46.42 | +http://www.baidu.com/search/spider.html |
| 5 | 633 | 1.48 | 403 | 17.07 | +http://ahrefs.com/robot/ |
| 6 | 586 | 1.37 | 16 | 0.68 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 343 | 0.80 | 87 | 3.68 | +http://www.google.com/bot.html |
| 8 | 250 | 0.59 | 1 | 0.04 | Linux i686 [unknown version] |
| 9 | 47 | 0.11 | 20 | 0.85 | +http://www.linkdex.com/bots/ |
| 10 | 12 | 0.03 | 6 | 0.25 | +http://help.coccoc.com/searchengine |
| 11 | 8 | 0.02 | 8 | 0.34 | Windows 3.1 |
| 12 | 7 | 0.02 | 5 | 0.21 | Windows 98 |
| 13 | 6 | 0.01 | 6 | 0.25 | Windows 95 |
| 14 | 4 | 0.01 | 2 | 0.08 | +http://duckduckgo.com |
| 15 | 2 | 0.00 | 2 | 0.08 | Windows 2000 |
| 16 | 2 | 0.00 | 2 | 0.08 | Auto; Windows |
| 17 | 2 | 0.00 | 2 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 18 | 2 | 0.00 | 2 | 0.08 | +info@netcraft.com |
