| Used Operating Systems |
| 1 | 4970 | 31.60 | 13 | 0.32 | +http://www.warebay.com/bot.html |
| 2 | 2968 | 18.87 | 2248 | 56.12 | +http://ahrefs.com/robot/ |
| 3 | 2006 | 12.75 | 2 | 0.05 | http://crawler.007ac9.net/ |
| 4 | 1918 | 12.19 | 477 | 11.91 | Windows NT |
| 5 | 1579 | 10.04 | 818 | 20.42 | +http://www.baidu.com/search/spider.html |
| 6 | 931 | 5.92 | 208 | 5.19 | +http://www.google.com/bot.html |
| 7 | 692 | 4.40 | 68 | 1.70 | +http://www.bing.com/bingbot.htm |
| 8 | 248 | 1.58 | 62 | 1.55 | +http://yandex.com/bots |
| 9 | 150 | 0.95 | 45 | 1.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 131 | 0.83 | 13 | 0.32 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 50 | 0.32 | 2 | 0.05 | Android |
| 12 | 28 | 0.18 | 14 | 0.35 | +http://duckduckgo.com |
| 13 | 16 | 0.10 | 14 | 0.35 | Windows 95 |
| 14 | 5 | 0.03 | 4 | 0.10 | Windows 98 |
| 15 | 5 | 0.03 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 16 | 4 | 0.03 | 2 | 0.05 | +http://www.netseer.com/crawler.html; cr... |
| 17 | 4 | 0.03 | 3 | 0.07 | Windows XP |
| 18 | 4 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 3 | 0.02 | 3 | 0.07 | Windows CE |
| 20 | 3 | 0.02 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
| 21 | 2 | 0.01 | 2 | 0.05 | Windows 2000 |
| 22 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 23 | 2 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 24 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 25 | 2 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 26 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
