| Used Operating Systems |
| 1 | 5031 | 40.62 | 4105 | 64.39 | +http://www.baidu.com/search/spider.html |
| 2 | 2399 | 19.37 | 589 | 9.24 | Windows NT |
| 3 | 1144 | 9.24 | 215 | 3.37 | ezooms.bot@gmail.com |
| 4 | 978 | 7.90 | 366 | 5.74 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 712 | 5.75 | 286 | 4.49 | +http://www.bing.com/bingbot.htm |
| 6 | 704 | 5.68 | 150 | 2.35 | +http://yandex.com/bots |
| 7 | 640 | 5.17 | 191 | 3.00 | +http://www.google.com/bot.html |
| 8 | 311 | 2.51 | 308 | 4.83 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 153 | 1.24 | 68 | 1.07 | +http://ahrefs.com/robot/ |
| 10 | 100 | 0.81 | 19 | 0.30 | +http://shoulu.jike.com/spider.html |
| 11 | 68 | 0.55 | 4 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 38 | 0.31 | 19 | 0.30 | Windows 95 |
| 13 | 16 | 0.13 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 14 | 16 | 0.13 | 8 | 0.13 | http://crawler.sistrix.net/ |
| 15 | 12 | 0.10 | 12 | 0.19 | Windows 98 |
| 16 | 12 | 0.10 | 6 | 0.09 | +http://www.exabot.com/go/robot |
| 17 | 9 | 0.07 | 1 | 0.02 | http://www.lipperhey.com/ |
| 18 | 8 | 0.06 | 4 | 0.06 | Auto; Windows |
| 19 | 8 | 0.06 | 8 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 20 | 5 | 0.04 | 5 | 0.08 | +http://pmoz.info/doc/botinfo.htm |
| 21 | 4 | 0.03 | 2 | 0.03 | http://www.botje.com/plukkie.htm |
| 22 | 4 | 0.03 | 2 | 0.03 | Windows XP |
| 23 | 4 | 0.03 | 2 | 0.03 | +info@netcraft.com |
| 24 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 2 | 0.02 | 0 | 0.00 | Solaris 9.x |
| 26 | 2 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 27 | 2 | 0.02 | 2 | 0.03 | Linux i686 [unknown version] |
| 28 | 2 | 0.02 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
