| Used Operating Systems |
| 1 | 15752 | 72.36 | 5219 | 61.81 | Windows NT |
| 2 | 1880 | 8.64 | 1755 | 20.78 | +http://www.baidu.com/search/spider.html |
| 3 | 831 | 3.82 | 167 | 1.98 | +http://www.bing.com/bingbot.htm |
| 4 | 525 | 2.41 | 244 | 2.89 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 324 | 1.49 | 61 | 0.72 | Windows 98 |
| 6 | 316 | 1.45 | 99 | 1.17 | +http://www.google.com/bot.html |
| 7 | 315 | 1.45 | 172 | 2.04 | Windows 95 |
| 8 | 303 | 1.39 | 25 | 0.30 | +http://yandex.com/bots |
| 9 | 229 | 1.05 | 29 | 0.34 | +http://ahrefs.com/robot/ |
| 10 | 116 | 0.53 | 51 | 0.60 | +http://www.semrush.com/bot.html |
| 11 | 108 | 0.50 | 107 | 1.27 | http://www.yodao.com/help/webmaster/spid... |
| 12 | 85 | 0.39 | 77 | 0.91 | +http://help.soso.com/webspider.htm |
| 13 | 68 | 0.31 | 23 | 0.27 | X11 |
| 14 | 63 | 0.29 | 12 | 0.14 | +http://shoulu.jike.com/spider.html |
| 15 | 60 | 0.28 | 44 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 16 | 58 | 0.27 | 29 | 0.34 | ezooms.bot@gmail.com |
| 17 | 57 | 0.26 | 39 | 0.46 | Auto; Windows |
| 18 | 57 | 0.26 | 3 | 0.04 | Windows XP |
| 19 | 56 | 0.26 | 1 | 0.01 | +http://siteexplorer.info/ |
| 20 | 54 | 0.25 | 30 | 0.36 | Windows ME |
| 21 | 52 | 0.24 | 38 | 0.45 | Windows CE |
| 22 | 51 | 0.23 | 29 | 0.34 | Windows 3.1 |
| 23 | 48 | 0.22 | 33 | 0.39 | Windows 2000 |
| 24 | 48 | 0.22 | 16 | 0.19 | +http://www.profound.net/urlappendbot.ht... |
| 25 | 47 | 0.22 | 34 | 0.40 | ) - BrowseX (2.0.0 Windows |
| 26 | 44 | 0.20 | 10 | 0.12 | Android 2.3.5 |
| 27 | 37 | 0.17 | 32 | 0.38 | MSIE 5.5; Windows NT 4.0 |
| 28 | 31 | 0.14 | 5 | 0.06 | Linux i686 [unknown version] |
| 29 | 28 | 0.13 | 13 | 0.15 | +http://www.exabot.com/go/robot |
| 30 | 26 | 0.12 | 13 | 0.15 | +http://www.career-x.de/bot.html |
| 31 | 24 | 0.11 | 12 | 0.14 | http://crawler.sistrix.net/ |
| 32 | 18 | 0.08 | 2 | 0.02 | +http://www.aihit.com/ |
| 33 | 13 | 0.06 | 1 | 0.01 | Series 60 |
| 34 | 12 | 0.06 | 6 | 0.07 | +http://help.coccoc.com/ |
| 35 | 10 | 0.05 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 36 | 6 | 0.03 | 2 | 0.02 | +http://www.easou.com/search/spider.html |
| 37 | 4 | 0.02 | 2 | 0.02 | +http://www.proximic.com/info/spider.php |
| 38 | 4 | 0.02 | 2 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 2 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 40 | 2 | 0.01 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 41 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 42 | 1 | 0.00 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 44 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
