| Used Operating Systems |
| 1 | 16079 | 42.58 | 8900 | 73.94 | +http://ahrefs.com/robot/ |
| 2 | 5353 | 14.18 | 454 | 3.77 | Windows NT |
| 3 | 5003 | 13.25 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 4 | 4868 | 12.89 | 90 | 0.75 | http://mj12bot.com/ |
| 5 | 2125 | 5.63 | 1830 | 15.20 | +http://www.baidu.com/search/spider.html |
| 6 | 1623 | 4.30 | 19 | 0.16 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 840 | 2.22 | 274 | 2.28 | +http://www.bing.com/bingbot.htm |
| 8 | 598 | 1.58 | 49 | 0.41 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 420 | 1.11 | 72 | 0.60 | +http://yandex.com/bots |
| 10 | 415 | 1.10 | 149 | 1.24 | +http://www.google.com/bot.html |
| 11 | 238 | 0.63 | 143 | 1.19 | +http://www.linkdex.com/bots/ |
| 12 | 52 | 0.14 | 6 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 43 | 0.11 | 6 | 0.05 | +spider@seoscanners.net |
| 14 | 35 | 0.09 | 7 | 0.06 | +http://www.semrush.com/bot.html |
| 15 | 14 | 0.04 | 5 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 13 | 0.03 | 1 | 0.01 | https://www.dataprovider.com/spider/ |
| 17 | 9 | 0.02 | 9 | 0.07 | Windows 95 |
| 18 | 8 | 0.02 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 19 | 7 | 0.02 | 2 | 0.02 | Windows 98 |
| 20 | 6 | 0.02 | 3 | 0.02 | +http://duckduckgo.com |
| 21 | 5 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 22 | 2 | 0.01 | 0 | 0.00 | .NET CLR 2.0.50727 |
| 23 | 2 | 0.01 | 2 | 0.02 | Windows XP |
| 24 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 25 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 26 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |