| Used Operating Systems |
| 1 | 6193 | 41.72 | 75 | 1.71 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2026 | 13.65 | 384 | 8.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 1940 | 13.07 | 1843 | 41.99 | +http://www.baidu.com/search/spider.html |
| 4 | 1564 | 10.54 | 634 | 14.45 | Windows NT |
| 5 | 1096 | 7.38 | 748 | 17.04 | +http://ahrefs.com/robot/ |
| 6 | 820 | 5.52 | 312 | 7.11 | +http://www.google.com/bot.html |
| 7 | 643 | 4.33 | 232 | 5.29 | +http://www.bing.com/bingbot.htm |
| 8 | 198 | 1.33 | 41 | 0.93 | +http://yandex.com/bots |
| 9 | 109 | 0.73 | 4 | 0.09 | +http://fulltext.sblog.cz/ |
| 10 | 106 | 0.71 | 30 | 0.68 | +http://www.linkdex.com/bots/ |
| 11 | 25 | 0.17 | 14 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 20 | 0.13 | 10 | 0.23 | http://www.bing.com/bingbot.htm |
| 13 | 16 | 0.11 | 8 | 0.18 | +http://help.coccoc.com/ |
| 14 | 16 | 0.11 | 16 | 0.36 | Windows 95 |
| 15 | 14 | 0.09 | 9 | 0.21 | Windows 98 |
| 16 | 12 | 0.08 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 17 | 8 | 0.05 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 19 | 4 | 0.03 | 2 | 0.05 | http://www.botje.com/plukkie.htm |
| 20 | 3 | 0.02 | 3 | 0.07 | Windows 2000 |
| 21 | 3 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 22 | 3 | 0.02 | 3 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 23 | 2 | 0.01 | 2 | 0.05 | Windows CE |
| 24 | 2 | 0.01 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 25 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 27 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 28 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 29 | 1 | 0.01 | 1 | 0.02 | Windows Phone OS 7.5 |
| 30 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 31 | 1 | 0.01 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 32 | 1 | 0.01 | 1 | 0.02 | +http://www.domaintuno.com/robot |
| 33 | 1 | 0.01 | 1 | 0.02 | +http://www.privacyaware.org |
| 34 | 1 | 0.01 | 1 | 0.02 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
| 35 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 1 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 38 | 1 | 0.01 | 1 | 0.02 | +http://www.uptime.com/uptimebot |
