| Used Operating Systems |
| 1 | 6205 | 57.08 | 904 | 29.20 | Windows NT |
| 2 | 1204 | 11.08 | 102 | 3.29 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1202 | 11.06 | 1199 | 38.73 | +http://www.baidu.com/search/spider.html |
| 4 | 476 | 4.38 | 223 | 7.20 | +http://www.bing.com/bingbot.htm |
| 5 | 363 | 3.34 | 138 | 4.46 | +http://www.google.com/bot.html |
| 6 | 271 | 2.49 | 8 | 0.26 | X11 |
| 7 | 177 | 1.63 | 176 | 5.68 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 160 | 1.47 | 42 | 1.36 | +http://yandex.com/bots |
| 9 | 138 | 1.27 | 84 | 2.71 | +http://ahrefs.com/robot/ |
| 10 | 93 | 0.86 | 40 | 1.29 | ezooms.bot@gmail.com |
| 11 | 92 | 0.85 | 37 | 1.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 84 | 0.77 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 13 | 52 | 0.48 | 4 | 0.13 | http://crawler.sistrix.net/ |
| 14 | 44 | 0.40 | 40 | 1.29 | +http://shoulu.jike.com/spider.html |
| 15 | 42 | 0.39 | 1 | 0.03 | Android |
| 16 | 41 | 0.38 | 24 | 0.78 | +http://www.acoon.de/robot.asp |
| 17 | 36 | 0.33 | 10 | 0.32 | Windows 95 |
| 18 | 33 | 0.30 | 1 | 0.03 | Linux i686 [unknown version] |
| 19 | 31 | 0.29 | 17 | 0.55 | +http://www.exabot.com/go/robot |
| 20 | 21 | 0.19 | 2 | 0.06 | Linux [unknown version] |
| 21 | 20 | 0.18 | 4 | 0.13 | MirrorDetector; +http://yandex.com/bots |
| 22 | 15 | 0.14 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 23 | 10 | 0.09 | 2 | 0.06 | +http://go.mail.ru/help/robots |
| 24 | 10 | 0.09 | 8 | 0.26 | +http://www.seoprofiler.com/bot |
| 25 | 9 | 0.08 | 5 | 0.16 | Windows 98 |
| 26 | 6 | 0.06 | 6 | 0.19 | +http://www.easou.com/search/spider.html |
| 27 | 6 | 0.06 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 28 | 6 | 0.06 | 3 | 0.10 | ScoutJet; +http://blekko.com/about/blekk... |
| 29 | 5 | 0.05 | 1 | 0.03 | +http://www.compspy.com/spider.html |
| 30 | 3 | 0.03 | 1 | 0.03 | Windows CE |
| 31 | 3 | 0.03 | 1 | 0.03 | +http://www.openindex.io/en/webmasters/s... |
| 32 | 3 | 0.03 | 1 | 0.03 | Windows ME |
| 33 | 3 | 0.03 | 2 | 0.06 | +info@netcraft.com |
| 34 | 2 | 0.02 | 2 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 35 | 1 | 0.01 | 1 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 36 | 1 | 0.01 | 1 | 0.03 | Android 2.3.4 |
| 37 | 1 | 0.01 | 1 | 0.03 | +http://siteexplorer.info/ |
| 38 | 1 | 0.01 | 1 | 0.03 | Windows 9x |
