| Used Operating Systems |
| 1 | 2938 | 42.32 | 2246 | 62.15 | +http://www.baidu.com/search/spider.html |
| 2 | 1209 | 17.42 | 562 | 15.55 | +http://www.google.com/bot.html |
| 3 | 861 | 12.40 | 11 | 0.30 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 797 | 11.48 | 391 | 10.82 | Windows NT |
| 5 | 365 | 5.26 | 208 | 5.76 | +http://www.bing.com/bingbot.htm |
| 6 | 225 | 3.24 | 76 | 2.10 | +http://yandex.com/bots |
| 7 | 131 | 1.89 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 8 | 101 | 1.45 | 2 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 41 | 0.59 | 14 | 0.39 | Windows 95 |
| 10 | 23 | 0.33 | 10 | 0.28 | Windows 98 |
| 11 | 22 | 0.32 | 7 | 0.19 | +http://OpenLinkProfiler.org/bot |
| 12 | 21 | 0.30 | 3 | 0.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 21 | 0.30 | 21 | 0.58 | +http://warifort.moykrest.ru/ |
| 14 | 16 | 0.23 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 15 | 12 | 0.17 | 4 | 0.11 | Windows CE |
| 16 | 12 | 0.17 | 5 | 0.14 | +http://help.coccoc.com/ |
| 17 | 12 | 0.17 | 4 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 18 | 12 | 0.17 | 6 | 0.17 | +http://www.exabot.com/go/robot |
| 19 | 11 | 0.16 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 10 | 0.14 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 21 | 10 | 0.14 | 0 | 0.00 | Linux [unknown version] |
| 22 | 10 | 0.14 | 4 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 23 | 10 | 0.14 | 5 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 8 | 0.12 | 1 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 8 | 0.12 | 3 | 0.08 | Windows 3.1 |
| 26 | 6 | 0.09 | 2 | 0.06 | Auto; Windows |
| 27 | 6 | 0.09 | 2 | 0.06 | Windows XP |
| 28 | 5 | 0.07 | 5 | 0.14 | +http://www.domaintuno.com/robot |
| 29 | 4 | 0.06 | 2 | 0.06 | Windows ME |
| 30 | 4 | 0.06 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 31 | 4 | 0.06 | 2 | 0.06 | +info@netcraft.com |
| 32 | 4 | 0.06 | 0 | 0.00 | +http://www.xovibot.net/ |
| 33 | 4 | 0.06 | 4 | 0.11 | +http://monasterytea.spbdyet.ru |
| 34 | 4 | 0.06 | 4 | 0.11 | X11 |
| 35 | 4 | 0.06 | 2 | 0.06 | +http://duckduckgo.com |
| 36 | 3 | 0.04 | 1 | 0.03 | Windows 2000 |
| 37 | 2 | 0.03 | 1 | 0.03 | Android 2.3.5 |
| 38 | 2 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 39 | 1 | 0.01 | 1 | 0.03 | J2ME/MIDP |
| 40 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 42 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
