| Used Operating Systems |
| 1 | 2435 | 41.15 | 1562 | 38.99 | Windows NT |
| 2 | 2122 | 35.86 | 1947 | 48.60 | +http://www.baidu.com/search/spider.html |
| 3 | 469 | 7.92 | 201 | 5.02 | +http://www.bing.com/bingbot.htm |
| 4 | 314 | 5.31 | 53 | 1.32 | +http://yandex.com/bots |
| 5 | 97 | 1.64 | 14 | 0.35 | +http://www.google.com/bot.html |
| 6 | 77 | 1.30 | 28 | 0.70 | Windows 98 |
| 7 | 59 | 1.00 | 43 | 1.07 | Windows 95 |
| 8 | 58 | 0.98 | 20 | 0.50 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 47 | 0.79 | 22 | 0.55 | +http://www.easou.com/search/spider.html |
| 10 | 26 | 0.44 | 13 | 0.32 | ezooms.bot@gmail.com |
| 11 | 24 | 0.41 | 3 | 0.07 | http://crawler.sistrix.net/ |
| 12 | 18 | 0.30 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 18 | 0.30 | 4 | 0.10 | +http://siteexplorer.info/ |
| 14 | 16 | 0.27 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 15 | 14 | 0.24 | 12 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 16 | 14 | 0.24 | 7 | 0.17 | +http://www.exabot.com/go/robot |
| 17 | 13 | 0.22 | 11 | 0.27 | Windows 3.1 |
| 18 | 12 | 0.20 | 11 | 0.27 | ) - BrowseX (2.0.0 Windows |
| 19 | 10 | 0.17 | 9 | 0.22 | Auto; Windows |
| 20 | 8 | 0.14 | 8 | 0.20 | Windows 2000 |
| 21 | 8 | 0.14 | 8 | 0.20 | Windows ME |
| 22 | 8 | 0.14 | 6 | 0.15 | +http://www.semrush.com/bot.html |
| 23 | 8 | 0.14 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 7 | 0.12 | 6 | 0.15 | Windows CE |
| 25 | 6 | 0.10 | 3 | 0.07 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 26 | 4 | 0.07 | 1 | 0.02 | Windows XP |
| 27 | 4 | 0.07 | 2 | 0.05 | Trident 5.0; Windows 98;GB; Avant Browse... |
| 28 | 4 | 0.07 | 2 | 0.05 | +info@netcraft.com |
| 29 | 4 | 0.07 | 4 | 0.10 | WinHttp.WinHttpRequest.5 |
| 30 | 3 | 0.05 | 1 | 0.02 | Windows Phone OS 7.5 |
| 31 | 2 | 0.03 | 0 | 0.00 | Win32 |
| 32 | 2 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 33 | 2 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 34 | 2 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 35 | 2 | 0.03 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 36 | 1 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
