| Used Operating Systems |
| 1 | 9767 | 73.35 | 654 | 38.79 | Windows NT |
| 2 | 866 | 6.50 | 380 | 22.54 | +http://www.baidu.com/search/spider.html |
| 3 | 845 | 6.35 | 143 | 8.48 | +http://www.bing.com/bingbot.htm |
| 4 | 677 | 5.08 | 216 | 12.81 | +http://www.google.com/bot.html |
| 5 | 251 | 1.88 | 17 | 1.01 | +http://fulltext.sblog.cz/ |
| 6 | 227 | 1.70 | 29 | 1.72 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 138 | 1.04 | 68 | 4.03 | +http://yandex.com/bots |
| 8 | 67 | 0.50 | 29 | 1.72 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 59 | 0.44 | 19 | 1.13 | Windows 95 |
| 10 | 49 | 0.37 | 22 | 1.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 42 | 0.32 | 11 | 0.65 | Windows 98 |
| 12 | 33 | 0.25 | 18 | 1.07 | +http://www.exabot.com/go/robot |
| 13 | 28 | 0.21 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 28 | 0.21 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 15 | 22 | 0.17 | 2 | 0.12 | http://www.searchmetrics.com/en/searchme... |
| 16 | 21 | 0.16 | 7 | 0.42 | Windows CE |
| 17 | 20 | 0.15 | 5 | 0.30 | +http://OpenLinkProfiler.org/bot |
| 18 | 20 | 0.15 | 9 | 0.53 | MSIE 5.5; Windows NT 4.0 |
| 19 | 18 | 0.14 | 6 | 0.36 | ) - BrowseX (2.0.0 Windows |
| 20 | 16 | 0.12 | 6 | 0.36 | Windows XP |
| 21 | 13 | 0.10 | 4 | 0.24 | Windows ME |
| 22 | 12 | 0.09 | 3 | 0.18 | Linux i686 [unknown version] |
| 23 | 12 | 0.09 | 1 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 24 | 12 | 0.09 | 6 | 0.36 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 10 | 0.08 | 5 | 0.30 | +http://ahrefs.com/robot/ |
| 26 | 10 | 0.08 | 2 | 0.12 | +; |
| 27 | 9 | 0.07 | 1 | 0.06 | +http://www.semrush.com/bot.html |
| 28 | 8 | 0.06 | 4 | 0.24 | +http://duckduckgo.com |
| 29 | 6 | 0.05 | 2 | 0.12 | Auto; Windows |
| 30 | 6 | 0.05 | 6 | 0.36 | Linux [unknown version] |
| 31 | 6 | 0.05 | 2 | 0.12 | Windows 3.1 |
| 32 | 5 | 0.04 | 3 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.03 | 2 | 0.12 | +http://webmeup-crawler.com/ |
| 34 | 4 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 2 | 0.02 | 2 | 0.12 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 1 | 0.01 | 1 | 0.06 | Linux i586 [unknown version] |
| 38 | 1 | 0.01 | 1 | 0.06 | https://help.yahoo.com/kb/mail/yahoo-lin... |
