| Used Operating Systems |
| 1 | 4479 | 32.58 | 927 | 18.55 | Windows NT |
| 2 | 3059 | 22.25 | 2701 | 54.06 | +http://www.baidu.com/search/spider.html |
| 3 | 979 | 7.12 | 245 | 4.90 | ezooms.bot@gmail.com |
| 4 | 909 | 6.61 | 210 | 4.20 | +http://www.google.com/bot.html |
| 5 | 857 | 6.23 | 99 | 1.98 | +http://yandex.com/bots |
| 6 | 832 | 6.05 | 223 | 4.46 | +http://www.bing.com/bingbot.htm |
| 7 | 564 | 4.10 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 8 | 470 | 3.42 | 173 | 3.46 | +http://ahrefs.com/robot/ |
| 9 | 318 | 2.31 | 19 | 0.38 | http://crawler.sistrix.net/ |
| 10 | 158 | 1.15 | 110 | 2.20 | +http://www.mfgpages.com |
| 11 | 146 | 1.06 | 23 | 0.46 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 146 | 1.06 | 9 | 0.18 | +http://siteexplorer.info/ |
| 13 | 104 | 0.76 | 33 | 0.66 | +http://www.acoon.de/robot.asp |
| 14 | 98 | 0.71 | 7 | 0.14 | http://www.searchmetrics.com/en/searchme... |
| 15 | 90 | 0.65 | 28 | 0.56 | +http://www.exabot.com/go/robot |
| 16 | 84 | 0.61 | 2 | 0.04 | Windows Phone OS 7.5 |
| 17 | 68 | 0.49 | 68 | 1.36 | http://www.yodao.com/help/webmaster/spid... |
| 18 | 60 | 0.44 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 19 | 56 | 0.41 | 17 | 0.34 | +http://go.mail.ru/help/robots |
| 20 | 42 | 0.31 | 21 | 0.42 | +http://www.career-x.de/bot.html |
| 21 | 34 | 0.25 | 2 | 0.04 | bot@language-tools.com |
| 22 | 29 | 0.21 | 12 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 28 | 0.20 | 10 | 0.20 | +http://www.procog.com/ |
| 24 | 24 | 0.17 | 0 | 0.00 | Windows 9. |
| 25 | 18 | 0.13 | 12 | 0.24 | +http://shoulu.jike.com/spider.html |
| 26 | 12 | 0.09 | 1 | 0.02 | +http://awcheck.com/en/about |
| 27 | 10 | 0.07 | 8 | 0.16 | +http://www.semrush.com/bot.html |
| 28 | 10 | 0.07 | 2 | 0.04 | Windows 98 |
| 29 | 10 | 0.07 | 7 | 0.14 | +http://discoveryengine.com/discoverybot... |
| 30 | 8 | 0.06 | 6 | 0.12 | +info@netcraft.com |
| 31 | 6 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 32 | 6 | 0.04 | 2 | 0.04 | +http://www.compspy.com/spider.html |
| 33 | 6 | 0.04 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 34 | 6 | 0.04 | 0 | 0.00 | http://www.mojeek.com/bot.html |
| 35 | 6 | 0.04 | 3 | 0.06 | ScoutJet; +http://blekko.com/about/blekk... |
| 36 | 4 | 0.03 | 2 | 0.04 | +http://www.yunyun.com/spider.html |
| 37 | 4 | 0.03 | 4 | 0.08 | Linux [unknown version] |
| 38 | 4 | 0.03 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 39 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
