| Used Operating Systems |
| 1 | 2637 | 27.04 | 2365 | 48.36 | +http://www.baidu.com/search/spider.html |
| 2 | 2629 | 26.96 | 1453 | 29.71 | Windows NT |
| 3 | 1193 | 12.23 | 215 | 4.40 | +http://www.google.com/bot.html |
| 4 | 823 | 8.44 | 238 | 4.87 | +http://www.bing.com/bingbot.htm |
| 5 | 515 | 5.28 | 95 | 1.94 | +http://yandex.com/bots |
| 6 | 494 | 5.07 | 19 | 0.39 | MirrorDetector; +http://yandex.com/bots |
| 7 | 456 | 4.68 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 8 | 224 | 2.30 | 221 | 4.52 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 150 | 1.54 | 39 | 0.80 | ezooms.bot@gmail.com |
| 10 | 107 | 1.10 | 41 | 0.84 | +http://ahrefs.com/robot/ |
| 11 | 96 | 0.98 | 21 | 0.43 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 95 | 0.97 | 30 | 0.61 | +http://www.exabot.com/go/robot |
| 13 | 84 | 0.86 | 14 | 0.29 | http://crawler.sistrix.net/ |
| 14 | 53 | 0.54 | 9 | 0.18 | +http://siteexplorer.info/ |
| 15 | 46 | 0.47 | 38 | 0.78 | +http://shoulu.jike.com/spider.html |
| 16 | 36 | 0.37 | 36 | 0.74 | http://www.youdao.com/help/webmaster/spi... |
| 17 | 16 | 0.16 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 18 | 14 | 0.14 | 4 | 0.08 | +http://go.mail.ru/help/robots |
| 19 | 14 | 0.14 | 14 | 0.29 | +http://www.easou.com/search/spider.html |
| 20 | 14 | 0.14 | 6 | 0.12 | Linux i686 [unknown version] |
| 21 | 12 | 0.12 | 3 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 22 | 9 | 0.09 | 9 | 0.18 | Windows XP |
| 23 | 9 | 0.09 | 4 | 0.08 | Windows 98 |
| 24 | 6 | 0.06 | 4 | 0.08 | +info@netcraft.com |
| 25 | 6 | 0.06 | 1 | 0.02 | X11 |
| 26 | 2 | 0.02 | 2 | 0.04 | PPC; Trident/2.0 |
| 27 | 2 | 0.02 | 2 | 0.04 | Intel Mac OS X 10.4 |
| 28 | 2 | 0.02 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 29 | 2 | 0.02 | 0 | 0.00 | +http://4seohunt.biz/about.html |
| 30 | 2 | 0.02 | 0 | 0.00 | +http://discoveryengine.com/discoverybot... |
| 31 | 2 | 0.02 | 2 | 0.04 | Macintosh |
| 32 | 2 | 0.02 | 1 | 0.02 | +http://www.acoon.de/robot.asp |
| 33 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
