| Used Operating Systems |
| 1 | 1273 | 49.94 | 1069 | 61.76 | Windows NT |
| 2 | 809 | 31.74 | 553 | 31.95 | +http://www.baidu.com/search/spider.html |
| 3 | 256 | 10.04 | 44 | 2.54 | +http://yandex.com/bots |
| 4 | 49 | 1.92 | 20 | 1.16 | +http://www.google.com/bot.html |
| 5 | 26 | 1.02 | 6 | 0.35 | +http://www.meanpath.com/meanpathbot.htm... |
| 6 | 20 | 0.78 | 9 | 0.52 | +http://www.seoprofiler.com/bot |
| 7 | 16 | 0.63 | 4 | 0.23 | +http://filterdb.iss.net/crawler/ |
| 8 | 16 | 0.63 | 0 | 0.00 | Linux 2.4.x |
| 9 | 16 | 0.63 | 8 | 0.46 | +http://www.bing.com/bingbot.htm |
| 10 | 14 | 0.55 | 5 | 0.29 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 12 | 0.47 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 12 | 8 | 0.31 | 2 | 0.12 | http://www.lipperhey.com/ |
| 13 | 8 | 0.31 | 4 | 0.23 | http://crawler.sistrix.net/ |
| 14 | 6 | 0.24 | 0 | 0.00 | Win32 |
| 15 | 6 | 0.24 | 2 | 0.12 | +http://webmeup-crawler.com/ |
| 16 | 4 | 0.16 | 0 | 0.00 | Macintosh PPC |
| 17 | 3 | 0.12 | 1 | 0.06 | +info@netcraft.com |
| 18 | 3 | 0.12 | 2 | 0.12 | +http://www.semrush.com/bot.html |
| 19 | 2 | 0.08 | 2 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 20 | 2 | 0.08 | 0 | 0.00 | Windows 98 |
