| Used Operating Systems |
| 1 | 1785 | 33.63 | 1534 | 72.50 | +http://www.baidu.com/search/spider.html |
| 2 | 1640 | 30.90 | 86 | 4.06 | Windows NT |
| 3 | 650 | 12.25 | 212 | 10.02 | +http://www.google.com/bot.html |
| 4 | 444 | 8.36 | 169 | 7.99 | +http://yandex.com/bots |
| 5 | 220 | 4.14 | 9 | 0.43 | http://crawler.sistrix.net/ |
| 6 | 159 | 3.00 | 42 | 1.98 | +http://www.bing.com/bingbot.htm |
| 7 | 150 | 2.83 | 4 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 68 | 1.28 | 2 | 0.09 | +http://www.warebay.com/bot.html |
| 9 | 31 | 0.58 | 1 | 0.05 | http://www.lipperhey.com/ |
| 10 | 31 | 0.58 | 11 | 0.52 | ezooms.bot@gmail.com |
| 11 | 29 | 0.55 | 25 | 1.18 | +http://ahrefs.com/robot/ |
| 12 | 24 | 0.45 | 5 | 0.24 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 23 | 0.43 | 1 | 0.05 | http://www.dataprovider.com/ |
| 14 | 16 | 0.30 | 1 | 0.05 | Windows 98 |
| 15 | 13 | 0.24 | 2 | 0.09 | Linux i686 [unknown version] |
| 16 | 13 | 0.24 | 7 | 0.33 | +http://www.exabot.com/go/robot |
| 17 | 4 | 0.08 | 2 | 0.09 | Intel Mac OS X 10.4 |
| 18 | 3 | 0.06 | 1 | 0.05 | +info@netcraft.com |
| 19 | 3 | 0.06 | 1 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 20 | 2 | 0.04 | 1 | 0.05 | +http://shoulu.jike.com/spider.html |
