| Used Operating Systems |
| 1 | 11172 | 33.83 | 6496 | 57.65 | +http://ahrefs.com/robot/ |
| 2 | 6766 | 20.49 | 61 | 0.54 | http://mj12bot.com/ |
| 3 | 3306 | 10.01 | 24 | 0.21 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 2990 | 9.05 | 491 | 4.36 | +http://www.bing.com/bingbot.htm |
| 5 | 2742 | 8.30 | 2411 | 21.40 | +http://www.baidu.com/search/spider.html |
| 6 | 2253 | 6.82 | 643 | 5.71 | Windows NT |
| 7 | 1020 | 3.09 | 432 | 3.83 | +http://www.google.com/bot.html |
| 8 | 844 | 2.56 | 206 | 1.83 | +http://www.linkdex.com/bots/ |
| 9 | 708 | 2.14 | 108 | 0.96 | +http://yandex.com/bots |
| 10 | 375 | 1.14 | 62 | 0.55 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 199 | 0.60 | 118 | 1.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 114 | 0.35 | 10 | 0.09 | +http://www.semrush.com/bot.html |
| 13 | 70 | 0.21 | 35 | 0.31 | +http://duckduckgo.com |
| 14 | 59 | 0.18 | 20 | 0.18 | Windows XP |
| 15 | 48 | 0.15 | 12 | 0.11 | +http://www.profound.net/domainappender |
| 16 | 42 | 0.13 | 4 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 40 | 0.12 | 25 | 0.22 | Windows 95 |
| 18 | 33 | 0.10 | 12 | 0.11 | Windows 98 |
| 19 | 27 | 0.08 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 27 | 0.08 | 3 | 0.03 | +http://www.seokicks.de/robot.html |
| 21 | 24 | 0.07 | 12 | 0.11 | +http://www.exabot.com/go/robot |
| 22 | 23 | 0.07 | 3 | 0.03 | +http://webmeup-crawler.com/ |
| 23 | 19 | 0.06 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 24 | 13 | 0.04 | 6 | 0.05 | Windows 3.1 |
| 25 | 12 | 0.04 | 8 | 0.07 | Windows 2000 |
| 26 | 10 | 0.03 | 5 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 27 | 10 | 0.03 | 6 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 28 | 10 | 0.03 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 29 | 7 | 0.02 | 3 | 0.03 | Windows CE |
| 30 | 7 | 0.02 | 4 | 0.04 | Auto; Windows |
| 31 | 6 | 0.02 | 6 | 0.05 | +http://8pw.ru/virus |
| 32 | 6 | 0.02 | 4 | 0.04 | Windows ME |
| 33 | 6 | 0.02 | 6 | 0.05 | S60 |
| 34 | 5 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 35 | 5 | 0.02 | 4 | 0.04 | +info@netcraft.com |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 37 | 4 | 0.01 | 2 | 0.02 | +spider@seoscanners.net |
| 38 | 4 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 39 | 2 | 0.01 | 1 | 0.01 | support.orangebot@orange.com |
| 40 | 2 | 0.01 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.01 | 2 | 0.02 | Android 4.1 |
| 43 | 2 | 0.01 | 2 | 0.02 | Linux [unknown version] |
| 44 | 2 | 0.01 | 2 | 0.02 | Macintosh |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows Mobile |
| 46 | 1 | 0.00 | 1 | 0.01 | Android |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 49 | 1 | 0.00 | 1 | 0.01 | Android 2.2 |
| 50 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
