| Used Operating Systems |
| 1 | 7544 | 26.33 | 7054 | 65.93 | +http://www.baidu.com/search/spider.html |
| 2 | 7480 | 26.10 | 1686 | 15.76 | Windows NT |
| 3 | 6062 | 21.16 | 713 | 6.66 | +http://www.google.com/bot.html |
| 4 | 4057 | 14.16 | 62 | 0.58 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1582 | 5.52 | 499 | 4.66 | +http://www.bing.com/bingbot.htm |
| 6 | 608 | 2.12 | 8 | 0.07 | http://crawler.sistrix.net/ |
| 7 | 404 | 1.41 | 166 | 1.55 | +http://yandex.com/bots |
| 8 | 305 | 1.06 | 74 | 0.69 | +http://www.exabot.com/go/robot |
| 9 | 186 | 0.65 | 185 | 1.73 | http://www.yodao.com/help/webmaster/spid... |
| 10 | 106 | 0.37 | 88 | 0.82 | Windows 95 |
| 11 | 61 | 0.21 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 12 | 45 | 0.16 | 19 | 0.18 | Windows 98 |
| 13 | 29 | 0.10 | 15 | 0.14 | ezooms.bot@gmail.com |
| 14 | 28 | 0.10 | 24 | 0.22 | Windows CE |
| 15 | 22 | 0.08 | 4 | 0.04 | MirrorDetector; +http://yandex.com/bots |
| 16 | 22 | 0.08 | 20 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 17 | 21 | 0.07 | 10 | 0.09 | Windows XP |
| 18 | 20 | 0.07 | 19 | 0.18 | Windows 2000 |
| 19 | 18 | 0.06 | 17 | 0.16 | Windows 3.1 |
| 20 | 16 | 0.06 | 16 | 0.15 | Windows ME |
| 21 | 13 | 0.05 | 13 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 22 | 7 | 0.02 | 2 | 0.02 | +http://go.mail.ru/help/robots |
| 23 | 7 | 0.02 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 24 | 5 | 0.02 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 25 | 3 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 26 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 27 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 28 | 1 | 0.00 | 1 | 0.01 | Macintosh PPC |
