| Used Operating Systems |
| 1 | 16168 | 54.09 | 4287 | 54.84 | Windows NT |
| 2 | 8761 | 29.31 | 56 | 0.72 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3064 | 10.25 | 2777 | 35.53 | +http://www.baidu.com/search/spider.html |
| 4 | 504 | 1.69 | 227 | 2.90 | +http://www.bing.com/bingbot.htm |
| 5 | 303 | 1.01 | 43 | 0.55 | +http://yandex.com/bots |
| 6 | 208 | 0.70 | 2 | 0.03 | +http://www.seoprofiler.com/bot |
| 7 | 165 | 0.55 | 116 | 1.48 | Windows 95 |
| 8 | 161 | 0.54 | 46 | 0.59 | +http://www.google.com/bot.html |
| 9 | 106 | 0.35 | 31 | 0.40 | Windows 98 |
| 10 | 68 | 0.23 | 6 | 0.08 | X11 |
| 11 | 60 | 0.20 | 43 | 0.55 | MSIE 5.5; Windows NT 5.0 |
| 12 | 37 | 0.12 | 30 | 0.38 | Windows 2000 |
| 13 | 36 | 0.12 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 14 | 30 | 0.10 | 25 | 0.32 | Windows CE |
| 15 | 28 | 0.09 | 2 | 0.03 | Windows XP |
| 16 | 28 | 0.09 | 23 | 0.29 | Windows 3.1 |
| 17 | 27 | 0.09 | 1 | 0.01 | Android 2.3.5 |
| 18 | 26 | 0.09 | 23 | 0.29 | Auto; Windows |
| 19 | 25 | 0.08 | 21 | 0.27 | MSIE 5.5; Windows NT 4.0 |
| 20 | 24 | 0.08 | 23 | 0.29 | ) - BrowseX (2.0.0 Windows |
| 21 | 23 | 0.08 | 16 | 0.20 | Windows ME |
| 22 | 22 | 0.07 | 7 | 0.09 | +http://www.linkdex.com/about/bots/ |
| 23 | 6 | 0.02 | 6 | 0.08 | J2ME/MIDP |
| 24 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 25 | 2 | 0.01 | 0 | 0.00 | Android |
| 26 | 2 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 27 | 2 | 0.01 | 2 | 0.03 | iPhone |
| 28 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
