| Used Operating Systems by Visits |
| 1 | 2103 | 31.25 | 1999 | 51.35 | +http://www.baidu.com/search/spider.html |
| 2 | 2539 | 37.73 | 809 | 20.78 | Windows NT |
| 3 | 907 | 13.48 | 580 | 14.90 | +http://www.google.com/bot.html |
| 4 | 174 | 2.59 | 79 | 2.03 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 73 | 1.08 | 59 | 1.52 | Windows 95 |
| 6 | 179 | 2.66 | 58 | 1.49 | +http://yandex.com/bots |
| 7 | 94 | 1.40 | 48 | 1.23 | +http://www.bing.com/bingbot.htm |
| 8 | 85 | 1.26 | 41 | 1.05 | ezooms.bot@gmail.com |
| 9 | 64 | 0.95 | 29 | 0.74 | Windows 98 |
| 10 | 57 | 0.85 | 25 | 0.64 | +http://www.exabot.com/go/robot |
| 11 | 61 | 0.91 | 23 | 0.59 | +http://ahrefs.com/robot/ |
| 12 | 18 | 0.27 | 17 | 0.44 | Windows 2000 |
| 13 | 17 | 0.25 | 15 | 0.39 | ) - BrowseX (2.0.0 Windows |
| 14 | 14 | 0.21 | 14 | 0.36 | Windows CE |
| 15 | 16 | 0.24 | 14 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 16 | 13 | 0.19 | 12 | 0.31 | MSIE 5.5; Windows NT 5.0 |
| 17 | 11 | 0.16 | 11 | 0.28 | Windows 3.1 |
| 18 | 10 | 0.15 | 10 | 0.26 | Auto; Windows |
| 19 | 18 | 0.27 | 10 | 0.26 | +http://shoulu.jike.com/spider.html |
| 20 | 11 | 0.16 | 9 | 0.23 | Windows ME |
| 21 | 13 | 0.19 | 5 | 0.13 | Windows XP |
| 22 | 12 | 0.18 | 4 | 0.10 | +http://www.scoutjet.com/ |
| 23 | 23 | 0.34 | 4 | 0.10 | Linux i686 [unknown version] |
| 24 | 20 | 0.30 | 2 | 0.05 | +http://www.aihit.com/ |
| 25 | 2 | 0.03 | 2 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 26 | 25 | 0.37 | 2 | 0.05 | +http://discoveryengine.com/discobot.htm... |
| 27 | 21 | 0.31 | 1 | 0.03 | Intel Mac OS X 10.5 |
| 28 | 10 | 0.15 | 1 | 0.03 | +http://swebot-crawler.net |
| 29 | 11 | 0.16 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 30 | 21 | 0.31 | 1 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 1 | 0.01 | 1 | 0.03 | http://crawler.sistrix.net/ |
| 32 | 11 | 0.16 | 1 | 0.03 | bot@language-tools.com |
| 33 | 21 | 0.31 | 1 | 0.03 | Linux [unknown version] |
| 34 | 28 | 0.42 | 1 | 0.03 | X11 |
| 35 | 21 | 0.31 | 1 | 0.03 | PPC Mac OS X 10.5 |
| 36 | 2 | 0.03 | 1 | 0.03 | +http://domains.checkparams.com/ |
| 37 | 1 | 0.01 | 1 | 0.03 | +http://eripp.com |
| 38 | 10 | 0.15 | 1 | 0.03 | +http://swebot.net |
| 39 | 11 | 0.16 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 40 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
