| Used Operating Systems |
| 1 | 9643 | 58.98 | 4904 | 74.54 | +http://www.baidu.com/search/spider.html |
| 2 | 1187 | 7.26 | 326 | 4.96 | +http://www.bing.com/bingbot.htm |
| 3 | 1169 | 7.15 | 261 | 3.97 | Windows NT |
| 4 | 761 | 4.65 | 299 | 4.54 | +http://www.google.com/bot.html |
| 5 | 624 | 3.82 | 138 | 2.10 | +http://www.semrush.com/bot.html |
| 6 | 583 | 3.57 | 135 | 2.05 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 438 | 2.68 | 2 | 0.03 | +http://megaindex.com/crawler |
| 8 | 325 | 1.99 | 97 | 1.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 306 | 1.87 | 122 | 1.85 | +http://yandex.com/bots |
| 10 | 298 | 1.82 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 11 | 239 | 1.46 | 11 | 0.17 | +http://fulltext.sblog.cz/ |
| 12 | 178 | 1.09 | 77 | 1.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 122 | 0.75 | 65 | 0.99 | +http://ahrefs.com/robot/ |
| 14 | 108 | 0.66 | 18 | 0.27 | http://www.searchmetrics.com/en/searchme... |
| 15 | 74 | 0.45 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 16 | 44 | 0.27 | 20 | 0.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 44 | 0.27 | 20 | 0.30 | +http://duckduckgo.com |
| 18 | 25 | 0.15 | 5 | 0.08 | +http://www.linkdex.com/bots/ |
| 19 | 22 | 0.13 | 6 | 0.09 | Windows 95 |
| 20 | 18 | 0.11 | 9 | 0.14 | +http://help.coccoc.com/ |
| 21 | 18 | 0.11 | 6 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 22 | 13 | 0.08 | 4 | 0.06 | Windows 98 |
| 23 | 13 | 0.08 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 11 | 0.07 | 5 | 0.08 | Windows CE |
| 25 | 11 | 0.07 | 8 | 0.12 | +http://glutenfreepleasure.com/ |
| 26 | 10 | 0.06 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 27 | 9 | 0.06 | 3 | 0.05 | Auto; Windows |
| 28 | 6 | 0.04 | 2 | 0.03 | Windows XP |
| 29 | 6 | 0.04 | 2 | 0.03 | Windows ME |
| 30 | 6 | 0.04 | 6 | 0.09 | Linux i686 [unknown version] |
| 31 | 6 | 0.04 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 5 | 0.03 | 5 | 0.08 | Linux [unknown version] |
| 33 | 5 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 34 | 4 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 35 | 4 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 36 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 37 | 2 | 0.01 | 2 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 2 | 0.03 | FreeBSD [unknown version] |
| 40 | 1 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://www.webcorp.org.uk |
| 42 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://www.alexa.com/help/webmasters; c... |
| 44 | 1 | 0.01 | 1 | 0.02 | X11 |
