| Used Operating Systems |
| 1 | 5235 | 41.05 | 879 | 20.42 | Windows NT |
| 2 | 2618 | 20.53 | 2302 | 53.47 | +http://www.baidu.com/search/spider.html |
| 3 | 971 | 7.61 | 9 | 0.21 | http://crawler.sistrix.net/ |
| 4 | 870 | 6.82 | 221 | 5.13 | ezooms.bot@gmail.com |
| 5 | 584 | 4.58 | 127 | 2.95 | +http://www.google.com/bot.html |
| 6 | 573 | 4.49 | 120 | 2.79 | +http://yandex.com/bots |
| 7 | 566 | 4.44 | 174 | 4.04 | +http://www.bing.com/bingbot.htm |
| 8 | 202 | 1.58 | 87 | 2.02 | +http://ahrefs.com/robot/ |
| 9 | 200 | 1.57 | 2 | 0.05 | +http://www.openfos.com |
| 10 | 173 | 1.36 | 10 | 0.23 | +http://siteexplorer.info/ |
| 11 | 145 | 1.14 | 104 | 2.42 | +http://www.mfgpages.com |
| 12 | 124 | 0.97 | 123 | 2.86 | http://www.yodao.com/help/webmaster/spid... |
| 13 | 119 | 0.93 | 20 | 0.46 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 52 | 0.41 | 17 | 0.39 | +http://discoveryengine.com/discoverybot... |
| 15 | 50 | 0.39 | 20 | 0.46 | +http://go.mail.ru/help/robots |
| 16 | 42 | 0.33 | 21 | 0.49 | +http://www.career-x.de/bot.html |
| 17 | 40 | 0.31 | 6 | 0.14 | MirrorDetector; +http://yandex.com/bots |
| 18 | 36 | 0.28 | 12 | 0.28 | +http://www.exabot.com/go/robot |
| 19 | 33 | 0.26 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 20 | 24 | 0.19 | 9 | 0.21 | +http://www.acoon.de/robot.asp |
| 21 | 24 | 0.19 | 21 | 0.49 | +http://shoulu.jike.com/spider.html |
| 22 | 16 | 0.13 | 0 | 0.00 | Windows 98 |
| 23 | 10 | 0.08 | 0 | 0.00 | Windows 9. |
| 24 | 8 | 0.06 | 4 | 0.09 | +http://snipebot.com/bot.html |
| 25 | 8 | 0.06 | 4 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 26 | 4 | 0.03 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 27 | 4 | 0.03 | 2 | 0.05 | http://www.mojeek.com/bot.html |
| 28 | 4 | 0.03 | 0 | 0.00 | Windows XP |
| 29 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 30 | 4 | 0.03 | 2 | 0.05 | http://www.youdao.com/help/webmaster/spi... |
| 31 | 4 | 0.03 | 2 | 0.05 | +http://emefge.de/bot.html |
| 32 | 2 | 0.02 | 1 | 0.02 | +http://help.soso.com/webspider.htm |
| 33 | 2 | 0.02 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 34 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 35 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
