| Used Operating Systems |
| 1 | 3509 | 35.79 | 1908 | 40.28 | Windows NT |
| 2 | 1109 | 11.31 | 1086 | 22.93 | +http://www.baidu.com/search/spider.html |
| 3 | 744 | 7.59 | 555 | 11.72 | +http://www.easou.com/search/spider.html |
| 4 | 685 | 6.99 | 350 | 7.39 | +http://www.bing.com/bingbot.htm |
| 5 | 506 | 5.16 | 136 | 2.87 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 473 | 4.82 | 3 | 0.06 | +http://webmeup-crawler.com/ |
| 7 | 454 | 4.63 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 356 | 3.63 | 5 | 0.11 | Windows 98 |
| 9 | 350 | 3.57 | 53 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 339 | 3.46 | 163 | 3.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 311 | 3.17 | 137 | 2.89 | +http://www.google.com/bot.html |
| 12 | 265 | 2.70 | 57 | 1.20 | +http://yandex.com/bots |
| 13 | 191 | 1.95 | 79 | 1.67 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 160 | 1.63 | 63 | 1.33 | help@moz.com |
| 15 | 95 | 0.97 | 47 | 0.99 | +http://www.linkdex.com/bots/ |
| 16 | 53 | 0.54 | 31 | 0.65 | +http://www.exabot.com/go/robot |
| 17 | 38 | 0.39 | 15 | 0.32 | +http://www.linkdex.com/about/bots/ |
| 18 | 36 | 0.37 | 4 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 19 | 29 | 0.30 | 1 | 0.02 | http://www.lipperhey.com/ |
| 20 | 27 | 0.28 | 19 | 0.40 | X11 |
| 21 | 14 | 0.14 | 8 | 0.17 | Android 2.3.5 |
| 22 | 8 | 0.08 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 23 | 6 | 0.06 | 2 | 0.04 | Windows 95 |
| 24 | 6 | 0.06 | 3 | 0.06 | +http://fulltext.sblog.cz/ |
| 25 | 5 | 0.05 | 0 | 0.00 | Linux [unknown version] |
| 26 | 5 | 0.05 | 1 | 0.02 | +http://u12files.com/ |
| 27 | 4 | 0.04 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 28 | 3 | 0.03 | 0 | 0.00 | J2ME/MIDP |
| 29 | 3 | 0.03 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 30 | 3 | 0.03 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 31 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 32 | 2 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 33 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 34 | 2 | 0.02 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 35 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 2 | 0.02 | 2 | 0.04 | Linux i686 [unknown version] |
| 38 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.02 | 0 | 0.00 | SpreadTrum |
