| Used Operating Systems |
| 1 | 17263 | 29.30 | 489 | 6.80 | +http://www.semrush.com/bot.html |
| 2 | 12805 | 21.74 | 184 | 2.56 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9858 | 16.73 | 2 | 0.03 | +http://megaindex.com/crawler |
| 4 | 6560 | 11.14 | 1849 | 25.72 | Windows NT |
| 5 | 2929 | 4.97 | 1426 | 19.84 | +http://ahrefs.com/robot/ |
| 6 | 2420 | 4.11 | 351 | 4.88 | +http://yandex.com/bots |
| 7 | 1765 | 3.00 | 1658 | 23.06 | +http://www.baidu.com/search/spider.html |
| 8 | 1694 | 2.88 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 956 | 1.62 | 255 | 3.55 | +http://www.bing.com/bingbot.htm |
| 10 | 796 | 1.35 | 456 | 6.34 | +http://www.google.com/bot.html |
| 11 | 455 | 0.77 | 19 | 0.26 | Windows XP |
| 12 | 293 | 0.50 | 158 | 2.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 289 | 0.49 | 30 | 0.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 246 | 0.42 | 99 | 1.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 146 | 0.25 | 35 | 0.49 | +http://www.linkdex.com/bots/ |
| 16 | 89 | 0.15 | 27 | 0.38 | Windows 95 |
| 17 | 49 | 0.08 | 19 | 0.26 | http://www.bing.com/bingbot.htm |
| 18 | 43 | 0.07 | 14 | 0.19 | Windows 98 |
| 19 | 38 | 0.06 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 20 | 33 | 0.06 | 33 | 0.46 | +http://www.xovibot.net/ |
| 21 | 20 | 0.03 | 6 | 0.08 | Windows 2000 |
| 22 | 16 | 0.03 | 7 | 0.10 | Auto; Windows |
| 23 | 14 | 0.02 | 7 | 0.10 | X11 |
| 24 | 11 | 0.02 | 6 | 0.08 | http://yooz.ir; info@yooz.ir |
| 25 | 11 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 26 | 10 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 27 | 10 | 0.02 | 5 | 0.07 | +http://www.exabot.com/go/robot |
| 28 | 9 | 0.02 | 4 | 0.06 | Android 2.3.5 |
| 29 | 8 | 0.01 | 6 | 0.08 | Windows CE |
| 30 | 8 | 0.01 | 4 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 7 | 0.01 | 2 | 0.03 | J2ME/MIDP |
| 32 | 7 | 0.01 | 4 | 0.06 | Windows 3.1 |
| 33 | 7 | 0.01 | 6 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 34 | 6 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 35 | 6 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 36 | 6 | 0.01 | 3 | 0.04 | +http://duckduckgo.com |
| 37 | 5 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 38 | 4 | 0.01 | 3 | 0.04 | Windows ME |
| 39 | 4 | 0.01 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 40 | 3 | 0.01 | 2 | 0.03 | +http://sur.ly/bot.html |
| 41 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 44 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.0; MSN Optimiz... |
| 45 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 48 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 4.1; SpamBlocker... |
