| Used Operating Systems |
| 1 | 3106 | 27.90 | 2424 | 56.37 | +http://www.baidu.com/search/spider.html |
| 2 | 2055 | 18.46 | 149 | 3.47 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1279 | 11.49 | 282 | 6.56 | +http://www.bing.com/bingbot.htm |
| 4 | 925 | 8.31 | 237 | 5.51 | Windows NT |
| 5 | 851 | 7.65 | 297 | 6.91 | +http://www.google.com/bot.html |
| 6 | 535 | 4.81 | 173 | 4.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 306 | 2.75 | 103 | 2.40 | +http://ahrefs.com/robot/ |
| 8 | 278 | 2.50 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 9 | 268 | 2.41 | 2 | 0.05 | +http://megaindex.com/crawler |
| 10 | 256 | 2.30 | 104 | 2.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 250 | 2.25 | 163 | 3.79 | +http://www.xovibot.net/ |
| 12 | 187 | 1.68 | 55 | 1.28 | +http://yandex.com/bots |
| 13 | 154 | 1.38 | 10 | 0.23 | +http://fulltext.sblog.cz/ |
| 14 | 136 | 1.22 | 40 | 0.93 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 124 | 1.11 | 38 | 0.88 | Windows XP |
| 16 | 68 | 0.61 | 61 | 1.42 | http://www.mfgpages.com |
| 17 | 68 | 0.61 | 60 | 1.40 | http://www.topicway.com |
| 18 | 50 | 0.45 | 16 | 0.37 | Windows 95 |
| 19 | 46 | 0.41 | 2 | 0.05 | +http://www.semrush.com/bot.html |
| 20 | 30 | 0.27 | 14 | 0.33 | +http://www.exabot.com/go/robot |
| 21 | 28 | 0.25 | 9 | 0.21 | Windows 98 |
| 22 | 18 | 0.16 | 6 | 0.14 | Auto; Windows |
| 23 | 12 | 0.11 | 4 | 0.09 | Windows ME |
| 24 | 12 | 0.11 | 6 | 0.14 | +http://duckduckgo.com |
| 25 | 8 | 0.07 | 2 | 0.05 | Windows Phone OS 7.5 |
| 26 | 8 | 0.07 | 4 | 0.09 | Windows 3.1 |
| 27 | 8 | 0.07 | 6 | 0.14 | +info@netcraft.com |
| 28 | 8 | 0.07 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 7 | 0.06 | 3 | 0.07 | Windows CE |
| 30 | 7 | 0.06 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 31 | 6 | 0.05 | 3 | 0.07 | +http://www.scoutjet.com/ |
| 32 | 6 | 0.05 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 33 | 6 | 0.05 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 34 | 6 | 0.05 | 6 | 0.14 | +http://domainsigma.com/robot |
| 35 | 5 | 0.04 | 3 | 0.07 | Windows 2000 |
| 36 | 4 | 0.04 | 2 | 0.05 | support.orangebot@orange.com |
| 37 | 4 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.02 | 2 | 0.05 | +http://glutenfreepleasure.com/ |
| 39 | 2 | 0.02 | 2 | 0.05 | Linux [unknown version] |
| 40 | 2 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
