| Used Operating Systems |
| 1 | 7559 | 36.47 | 1207 | 24.82 | Windows NT |
| 2 | 5333 | 25.73 | 116 | 2.39 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3096 | 14.94 | 1014 | 20.85 | +http://ahrefs.com/robot/ |
| 4 | 1785 | 8.61 | 1673 | 34.40 | +http://www.baidu.com/search/spider.html |
| 5 | 1307 | 6.31 | 307 | 6.31 | +http://www.bing.com/bingbot.htm |
| 6 | 558 | 2.69 | 245 | 5.04 | +http://www.google.com/bot.html |
| 7 | 400 | 1.93 | 100 | 2.06 | +http://yandex.com/bots |
| 8 | 145 | 0.70 | 22 | 0.45 | +http://fulltext.sblog.cz/ |
| 9 | 54 | 0.26 | 13 | 0.27 | +http://www.semrush.com/bot.html |
| 10 | 49 | 0.24 | 12 | 0.25 | +http://www.exabot.com/go/robot |
| 11 | 44 | 0.21 | 14 | 0.29 | Windows XP |
| 12 | 36 | 0.17 | 19 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 32 | 0.15 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 14 | 32 | 0.15 | 10 | 0.21 | Windows 98 |
| 15 | 31 | 0.15 | 22 | 0.45 | +http://www.xovibot.net/ |
| 16 | 30 | 0.14 | 12 | 0.25 | +http://www.linkdex.com/bots/ |
| 17 | 30 | 0.14 | 5 | 0.10 | +http://www.profound.net/domainappender |
| 18 | 24 | 0.12 | 10 | 0.21 | +http://help.coccoc.com/ |
| 19 | 23 | 0.11 | 3 | 0.06 | X11 |
| 20 | 21 | 0.10 | 11 | 0.23 | Windows 95 |
| 21 | 19 | 0.09 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 22 | 15 | 0.07 | 7 | 0.14 | Windows CE |
| 23 | 15 | 0.07 | 1 | 0.02 | +http://megaindex.com/crawler |
| 24 | 14 | 0.07 | 1 | 0.02 | Linux [unknown version] |
| 25 | 8 | 0.04 | 4 | 0.08 | Windows ME |
| 26 | 8 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 27 | 8 | 0.04 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 6 | 0.03 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 29 | 6 | 0.03 | 1 | 0.02 | +; |
| 30 | 4 | 0.02 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 31 | 4 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 32 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 33 | 3 | 0.01 | 1 | 0.02 | Auto; Windows |
| 34 | 3 | 0.01 | 3 | 0.06 | Windows 2000 |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 36 | 3 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.01 | 3 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 2 | 0.01 | 2 | 0.04 | FreeBSD [unknown version] |
| 39 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.01 | 2 | 0.04 | Windows 9x |
| 41 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 44 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.02 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 46 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
