| Used Operating Systems |
| 1 | 23490 | 87.95 | 3385 | 61.11 | Windows NT |
| 2 | 1726 | 6.46 | 1650 | 29.79 | +http://www.baidu.com/search/spider.html |
| 3 | 547 | 2.05 | 178 | 3.21 | +http://www.bing.com/bingbot.htm |
| 4 | 342 | 1.28 | 189 | 3.41 | +http://www.google.com/bot.html |
| 5 | 135 | 0.51 | 25 | 0.45 | +http://yandex.com/bots |
| 6 | 75 | 0.28 | 10 | 0.18 | +http://www.semrush.com/bot.html |
| 7 | 68 | 0.25 | 26 | 0.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 61 | 0.23 | 7 | 0.13 | +http://ahrefs.com/robot/ |
| 9 | 48 | 0.18 | 5 | 0.09 | X11 |
| 10 | 30 | 0.11 | 7 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 28 | 0.10 | 7 | 0.13 | +http://www.profound.net/domainappender |
| 12 | 23 | 0.09 | 1 | 0.02 | Android 2.3.5 |
| 13 | 16 | 0.06 | 8 | 0.14 | +http://duckduckgo.com |
| 14 | 13 | 0.05 | 5 | 0.09 | +http://help.coccoc.com/ |
| 15 | 13 | 0.05 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 16 | 12 | 0.04 | 5 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 11 | 0.04 | 3 | 0.05 | +http://advbot.net/bot.html |
| 18 | 8 | 0.03 | 3 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 8 | 0.03 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 20 | 8 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 21 | 7 | 0.03 | 4 | 0.07 | http://crawler.sistrix.net/ |
| 22 | 5 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 23 | 5 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 24 | 4 | 0.01 | 2 | 0.04 | +https://www.mojeek.com/bot.html |
| 25 | 4 | 0.01 | 2 | 0.04 | +http://gimme60.com |
| 26 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 4 | 0.01 | 1 | 0.02 | +http://get4dl.net |
| 28 | 4 | 0.01 | 4 | 0.07 | +http://domainsigma.com/robot |
| 29 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 31 | 2 | 0.01 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 32 | 1 | 0.00 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 33 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 34 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
