| Used Operating Systems |
| 1 | 3171 | 62.02 | 2556 | 75.47 | +http://www.baidu.com/search/spider.html |
| 2 | 649 | 12.69 | 172 | 5.08 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 382 | 7.47 | 175 | 5.17 | +http://www.bing.com/bingbot.htm |
| 4 | 290 | 5.67 | 179 | 5.28 | Windows NT |
| 5 | 253 | 4.95 | 127 | 3.75 | +http://www.google.com/bot.html |
| 6 | 148 | 2.89 | 85 | 2.51 | +http://yandex.com/bots |
| 7 | 54 | 1.06 | 6 | 0.18 | +http://OpenLinkProfiler.org/bot |
| 8 | 39 | 0.76 | 20 | 0.59 | +http://ahrefs.com/robot/ |
| 9 | 28 | 0.55 | 26 | 0.77 | +http://www.uptime.com/uptimebot |
| 10 | 28 | 0.55 | 13 | 0.38 | +http://www.semrush.com/bot.html |
| 11 | 18 | 0.35 | 9 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 18 | 0.35 | 9 | 0.27 | +http://www.exabot.com/go/robot |
| 13 | 16 | 0.31 | 1 | 0.03 | +http://fulltext.sblog.cz/ |
| 14 | 4 | 0.08 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 15 | 4 | 0.08 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 16 | 3 | 0.06 | 1 | 0.03 | +info@netcraft.com |
| 17 | 2 | 0.04 | 2 | 0.06 | http://nmap.org/book/nse.html |
| 18 | 2 | 0.04 | 2 | 0.06 | X11 |
| 19 | 2 | 0.04 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 1 | 0.02 | 1 | 0.03 | Linux i686 [unknown version] |
| 21 | 1 | 0.02 | 1 | 0.03 | Windows 3.1 |
