| Used Operating Systems |
| 1 | 17121 | 37.53 | 12653 | 68.04 | +http://ahrefs.com/robot/ |
| 2 | 12379 | 27.13 | 108 | 0.58 | http://mj12bot.com/ |
| 3 | 5058 | 11.09 | 4222 | 22.70 | +http://www.baidu.com/search/spider.html |
| 4 | 4697 | 10.30 | 32 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 3339 | 7.32 | 460 | 2.47 | Windows NT |
| 6 | 1343 | 2.94 | 481 | 2.59 | +http://www.google.com/bot.html |
| 7 | 653 | 1.43 | 215 | 1.16 | +http://yandex.com/bots |
| 8 | 508 | 1.11 | 145 | 0.78 | +http://www.linkdex.com/bots/ |
| 9 | 391 | 0.86 | 226 | 1.22 | +http://www.bing.com/bingbot.htm |
| 10 | 37 | 0.08 | 18 | 0.10 | Windows 95 |
| 11 | 25 | 0.05 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 21 | 0.05 | 9 | 0.05 | Windows XP |
| 13 | 10 | 0.02 | 7 | 0.04 | Windows 98 |
| 14 | 9 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 15 | 5 | 0.01 | 3 | 0.02 | Auto; Windows |
| 16 | 4 | 0.01 | 2 | 0.01 | Windows 2000 |
| 17 | 4 | 0.01 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 18 | 4 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 19 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 20 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 21 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 22 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 23 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 24 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 25 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 26 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
