| Used Operating Systems |
| 1 | 156036 | 82.38 | 697 | 3.48 | http://mj12bot.com/ |
| 2 | 21893 | 11.56 | 15226 | 76.11 | +http://ahrefs.com/robot/ |
| 3 | 2669 | 1.41 | 2161 | 10.80 | +http://www.baidu.com/search/spider.html |
| 4 | 2045 | 1.08 | 468 | 2.34 | Windows NT |
| 5 | 1848 | 0.98 | 375 | 1.87 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1724 | 0.91 | 282 | 1.41 | +http://www.linkdex.com/bots/ |
| 7 | 1547 | 0.82 | 273 | 1.36 | +http://www.bing.com/bingbot.htm |
| 8 | 807 | 0.43 | 355 | 1.77 | +http://www.google.com/bot.html |
| 9 | 602 | 0.32 | 153 | 0.76 | +http://yandex.com/bots |
| 10 | 90 | 0.05 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 11 | 60 | 0.03 | 2 | 0.01 | +http://www.semrush.com/bot.html |
| 12 | 52 | 0.03 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 13 | 12 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 14 | 4 | 0.00 | 2 | 0.01 | +http://cliqz.com/company/cliqzbot |
| 15 | 4 | 0.00 | 2 | 0.01 | +http://duckduckgo.com |
| 16 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 17 | 2 | 0.00 | 0 | 0.00 | Windows 95 |
| 18 | 2 | 0.00 | 2 | 0.01 | Windows XP |
