| Used Operating Systems |
| 1 | 27170 | 56.36 | 355 | 4.04 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7483 | 15.52 | 3952 | 44.92 | +http://www.baidu.com/search/spider.html |
| 3 | 5137 | 10.66 | 2484 | 28.23 | +http://ahrefs.com/robot/ |
| 4 | 2364 | 4.90 | 643 | 7.31 | Windows NT |
| 5 | 2352 | 4.88 | 321 | 3.65 | +http://yandex.com/bots |
| 6 | 1108 | 2.30 | 381 | 4.33 | +http://www.bing.com/bingbot.htm |
| 7 | 1069 | 2.22 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 8 | 722 | 1.50 | 385 | 4.38 | +http://www.google.com/bot.html |
| 9 | 458 | 0.95 | 97 | 1.10 | +http://www.linkdex.com/bots/ |
| 10 | 116 | 0.24 | 53 | 0.60 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 41 | 0.09 | 16 | 0.18 | Windows 98 |
| 12 | 33 | 0.07 | 31 | 0.35 | Windows 95 |
| 13 | 28 | 0.06 | 12 | 0.14 | +http://www.exabot.com/go/robot |
| 14 | 26 | 0.05 | 8 | 0.09 | +spider@seoscanners.net |
| 15 | 24 | 0.05 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 16 | 14 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 17 | 12 | 0.02 | 9 | 0.10 | Windows XP |
| 18 | 9 | 0.02 | 9 | 0.10 | Windows 2000 |
| 19 | 9 | 0.02 | 9 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 20 | 6 | 0.01 | 6 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 21 | 4 | 0.01 | 4 | 0.05 | Windows 3.1 |
| 22 | 4 | 0.01 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 23 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 24 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 25 | 3 | 0.01 | 3 | 0.03 | Windows ME |
| 26 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 27 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 28 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
