| Used Operating Systems |
| 1 | 25157 | 41.83 | 192 | 1.57 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 14718 | 24.47 | 634 | 5.19 | Windows NT |
| 3 | 7505 | 12.48 | 5579 | 45.65 | +http://ahrefs.com/robot/ |
| 4 | 5629 | 9.36 | 4425 | 36.21 | +http://www.baidu.com/search/spider.html |
| 5 | 2320 | 3.86 | 224 | 1.83 | +http://yandex.com/bots |
| 6 | 2225 | 3.70 | 260 | 2.13 | +http://www.bing.com/bingbot.htm |
| 7 | 940 | 1.56 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 488 | 0.81 | 304 | 2.49 | +http://www.google.com/bot.html |
| 9 | 404 | 0.67 | 169 | 1.38 | +http://www.linkdex.com/bots/ |
| 10 | 341 | 0.57 | 254 | 2.08 | +http://www.xovibot.net/ |
| 11 | 125 | 0.21 | 46 | 0.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 110 | 0.18 | 57 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 42 | 0.07 | 8 | 0.07 | Windows 98 |
| 14 | 25 | 0.04 | 13 | 0.11 | Windows 95 |
| 15 | 14 | 0.02 | 6 | 0.05 | +http://sur.ly/bot.html |
| 16 | 13 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 17 | 11 | 0.02 | 6 | 0.05 | Windows ME |
| 18 | 10 | 0.02 | 7 | 0.06 | Windows 3.1 |
| 19 | 9 | 0.01 | 4 | 0.03 | Windows CE |
| 20 | 8 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 21 | 8 | 0.01 | 8 | 0.07 | Windows XP |
| 22 | 5 | 0.01 | 3 | 0.02 | Windows 2000 |
| 23 | 5 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 24 | 5 | 0.01 | 1 | 0.01 | +spider@seoscanners.net |
| 25 | 5 | 0.01 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 26 | 4 | 0.01 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 27 | 3 | 0.00 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 28 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 30 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 31 | 1 | 0.00 | 0 | 0.00 | Unknown |
| 32 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 33 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
