| Used Operating Systems |
| 1 | 10311 | 18.42 | 8635 | 55.29 | +http://ahrefs.com/robot/ |
| 2 | 8794 | 15.71 | 32 | 0.20 | +http://www.warebay.com/bot.html |
| 3 | 8504 | 15.19 | 59 | 0.38 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 6637 | 11.86 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 6433 | 11.49 | 1544 | 9.89 | Windows NT |
| 6 | 5426 | 9.69 | 138 | 0.88 | +http://www.semrush.com/bot.html |
| 7 | 5146 | 9.19 | 4112 | 26.33 | +http://www.baidu.com/search/spider.html |
| 8 | 2666 | 4.76 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 704 | 1.26 | 450 | 2.88 | +http://www.google.com/bot.html |
| 10 | 265 | 0.47 | 158 | 1.01 | +http://www.bing.com/bingbot.htm |
| 11 | 255 | 0.46 | 75 | 0.48 | +http://www.linkdex.com/bots/ |
| 12 | 192 | 0.34 | 58 | 0.37 | +http://yandex.com/bots |
| 13 | 173 | 0.31 | 79 | 0.51 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 106 | 0.19 | 63 | 0.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 100 | 0.18 | 92 | 0.59 | +http://www.xovibot.net/ |
| 16 | 49 | 0.09 | 42 | 0.27 | +http://www.uptime.com/uptimebot |
| 17 | 35 | 0.06 | 15 | 0.10 | +http://www.exabot.com/go/robot |
| 18 | 27 | 0.05 | 12 | 0.08 | Windows 95 |
| 19 | 20 | 0.04 | 6 | 0.04 | Windows 2000 |
| 20 | 17 | 0.03 | 5 | 0.03 | X11 |
| 21 | 16 | 0.03 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 22 | 14 | 0.03 | 6 | 0.04 | Windows XP |
| 23 | 14 | 0.03 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 24 | 11 | 0.02 | 7 | 0.04 | Windows 98 |
| 25 | 9 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 26 | 9 | 0.02 | 2 | 0.01 | Windows 3.1 |
| 27 | 9 | 0.02 | 3 | 0.02 | Android 2.3.5 |
| 28 | 8 | 0.01 | 1 | 0.01 | Windows ME |
| 29 | 4 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 30 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://www.privacyaware.org |
| 32 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 33 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 34 | 2 | 0.00 | 2 | 0.01 | Windows CE |
| 35 | 2 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 36 | 2 | 0.00 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
