| Used Operating Systems by Visits |
| 1 | 3013 | 43.76 | 2021 | 74.08 | +http://www.baidu.com/search/spider.html |
| 2 | 1626 | 23.62 | 169 | 6.20 | Windows NT |
| 3 | 653 | 9.48 | 140 | 5.13 | +http://www.google.com/bot.html |
| 4 | 120 | 1.74 | 118 | 4.33 | http://www.yodao.com/help/webmaster/spid... |
| 5 | 276 | 4.01 | 107 | 3.92 | +http://yandex.com/bots |
| 6 | 160 | 2.32 | 51 | 1.87 | +http://www.bing.com/bingbot.htm |
| 7 | 117 | 1.70 | 29 | 1.06 | ezooms.bot@gmail.com |
| 8 | 53 | 0.77 | 23 | 0.84 | +http://ahrefs.com/robot/ |
| 9 | 139 | 2.02 | 11 | 0.40 | http://crawler.sistrix.net/ |
| 10 | 36 | 0.52 | 11 | 0.40 | Windows 98 |
| 11 | 27 | 0.39 | 10 | 0.37 | +http://www.exabot.com/go/robot |
| 12 | 12 | 0.17 | 7 | 0.26 | Windows 95 |
| 13 | 340 | 4.94 | 7 | 0.26 | http://www.youdao.com/help/webmaster/spi... |
| 14 | 56 | 0.81 | 4 | 0.15 | Intel Mac OS X 10.6 |
| 15 | 52 | 0.76 | 3 | 0.11 | +http://www.aihit.com/ |
| 16 | 14 | 0.20 | 3 | 0.11 | Linux i686 [unknown version] |
| 17 | 2 | 0.03 | 2 | 0.07 | http://nmap.org/book/nse.html |
| 18 | 2 | 0.03 | 2 | 0.07 | +http://180.76.5.63 - - [20/Apr/2012:14:... |
| 19 | 126 | 1.83 | 2 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 20 | 11 | 0.16 | 2 | 0.07 | +http://shoulu.jike.com/spider.html |
| 21 | 35 | 0.51 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 22 | 2 | 0.03 | 1 | 0.04 | ReverseGet/1.0; http://reverseget.com/; ... |
| 23 | 1 | 0.01 | 1 | 0.04 | Windows 3.1 |
| 24 | 1 | 0.01 | 1 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 25 | 2 | 0.03 | 1 | 0.04 | +info@netcraft.com |
| 26 | 2 | 0.03 | 1 | 0.04 | +http://domains.checkparams.com/ |
| 27 | 2 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 28 | 5 | 0.07 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
