| Used Operating Systems |
| 1 | 3284 | 34.94 | 778 | 43.98 | Windows NT |
| 2 | 2180 | 23.20 | 73 | 4.13 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1211 | 12.89 | 44 | 2.49 | +http://yandex.com/bots |
| 4 | 515 | 5.48 | 24 | 1.36 | +http://ahrefs.com/robot/ |
| 5 | 444 | 4.72 | 196 | 11.08 | +http://www.bing.com/bingbot.htm |
| 6 | 379 | 4.03 | 200 | 11.31 | +http://www.google.com/bot.html |
| 7 | 314 | 3.34 | 89 | 5.03 | +http://www.linkdex.com/bots/ |
| 8 | 212 | 2.26 | 2 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 9 | 206 | 2.19 | 64 | 3.62 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 188 | 2.00 | 105 | 5.94 | +http://www.baidu.com/search/spider.html |
| 11 | 177 | 1.88 | 93 | 5.26 | +http://www.easou.com/search/spider.html |
| 12 | 84 | 0.89 | 40 | 2.26 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 82 | 0.87 | 5 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 21 | 0.22 | 1 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 15 | 20 | 0.21 | 8 | 0.45 | +http://fulltext.sblog.cz/ |
| 16 | 16 | 0.17 | 8 | 0.45 | +http://www.exabot.com/go/robot |
| 17 | 14 | 0.15 | 7 | 0.40 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 10 | 0.11 | 4 | 0.23 | X11 |
| 19 | 5 | 0.05 | 3 | 0.17 | Linux i686 [unknown version] |
| 20 | 4 | 0.04 | 2 | 0.11 | http://crawler.sistrix.net/ |
| 21 | 4 | 0.04 | 4 | 0.23 | Windows ME |
| 22 | 4 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 23 | 4 | 0.04 | 4 | 0.23 | Windows 98 |
| 24 | 4 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 25 | 3 | 0.03 | 3 | 0.17 | Windows 2000 |
| 26 | 3 | 0.03 | 3 | 0.17 | Windows 3.1 |
| 27 | 2 | 0.02 | 2 | 0.11 | Auto; Windows |
| 28 | 2 | 0.02 | 2 | 0.11 | Windows 95 |
| 29 | 2 | 0.02 | 1 | 0.06 | +http://www.semrush.com/bot.html |
| 30 | 2 | 0.02 | 2 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 31 | 1 | 0.01 | 1 | 0.06 | Windows CE |
| 32 | 1 | 0.01 | 1 | 0.06 | +info@netcraft.com |
