| Used Operating Systems |
| 1 | 21195 | 83.50 | 4864 | 67.46 | Windows NT |
| 2 | 2087 | 8.22 | 1902 | 26.38 | +http://www.baidu.com/search/spider.html |
| 3 | 634 | 2.50 | 240 | 3.33 | +http://www.bing.com/bingbot.htm |
| 4 | 603 | 2.38 | 6 | 0.08 | +http://www.seoprofiler.com/bot |
| 5 | 247 | 0.97 | 65 | 0.90 | +http://www.google.com/bot.html |
| 6 | 165 | 0.65 | 16 | 0.22 | +http://yandex.com/bots |
| 7 | 126 | 0.50 | 6 | 0.08 | X11 |
| 8 | 72 | 0.28 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 9 | 62 | 0.24 | 16 | 0.22 | +http://www.linkdex.com/about/bots/ |
| 10 | 58 | 0.23 | 7 | 0.10 | Android 2.3.5 |
| 11 | 35 | 0.14 | 30 | 0.42 | Windows 95 |
| 12 | 29 | 0.11 | 5 | 0.07 | Windows 98 |
| 13 | 11 | 0.04 | 11 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 14 | 8 | 0.03 | 7 | 0.10 | Windows CE |
| 15 | 7 | 0.03 | 7 | 0.10 | Windows 2000 |
| 16 | 7 | 0.03 | 7 | 0.10 | Windows ME |
| 17 | 7 | 0.03 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 18 | 6 | 0.02 | 2 | 0.03 | Windows XP |
| 19 | 4 | 0.02 | 4 | 0.06 | Windows 3.1 |
| 20 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 21 | 4 | 0.02 | 2 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 22 | 3 | 0.01 | 3 | 0.04 | J2ME/MIDP |
| 23 | 3 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 24 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 26 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 27 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
