| Used Operating Systems |
| 1 | 34246 | 32.86 | 28615 | 69.70 | +http://www.baidu.com/search/spider.html |
| 2 | 19782 | 18.98 | 333 | 0.81 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 15747 | 15.11 | 2228 | 5.43 | +http://ahrefs.com/robot/ |
| 4 | 8988 | 8.62 | 3227 | 7.86 | Windows NT |
| 5 | 3897 | 3.74 | 1912 | 4.66 | +http://www.google.com/bot.html |
| 6 | 3584 | 3.44 | 1156 | 2.82 | +http://www.bing.com/bingbot.htm |
| 7 | 3469 | 3.33 | 1695 | 4.13 | +http://www.xovibot.net/ |
| 8 | 2645 | 2.54 | 8 | 0.02 | +http://www.findxbot.com |
| 9 | 2203 | 2.11 | 4 | 0.01 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 10 | 2006 | 1.92 | 2 | 0.00 | http://crawler.007ac9.net/ |
| 11 | 1438 | 1.38 | 2 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 12 | 1167 | 1.12 | 522 | 1.27 | +http://www.linkdex.com/bots/ |
| 13 | 999 | 0.96 | 1 | 0.00 | +http://www.seokicks.de/robot.html |
| 14 | 753 | 0.72 | 5 | 0.01 | Linux [unknown version] |
| 15 | 677 | 0.65 | 215 | 0.52 | +http://yandex.com/bots |
| 16 | 528 | 0.51 | 88 | 0.21 | +http://www.profound.net/domainappender |
| 17 | 431 | 0.41 | 56 | 0.14 | +http://www.exabot.com/go/robot |
| 18 | 375 | 0.36 | 286 | 0.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 298 | 0.29 | 157 | 0.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 161 | 0.15 | 138 | 0.34 | Windows 95 |
| 21 | 140 | 0.13 | 1 | 0.00 | http://www.searchmetrics.com/en/searchme... |
| 22 | 122 | 0.12 | 26 | 0.06 | Windows 98 |
| 23 | 67 | 0.06 | 31 | 0.08 | +http://www.proximic.com/info/spider.php |
| 24 | 65 | 0.06 | 59 | 0.14 | +http://www.seograph.net/bot.html |
| 25 | 40 | 0.04 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 26 | 39 | 0.04 | 7 | 0.02 | +http://fulltext.sblog.cz/ |
| 27 | 38 | 0.04 | 36 | 0.09 | Windows ME |
| 28 | 36 | 0.03 | 34 | 0.08 | Windows 2000 |
| 29 | 34 | 0.03 | 28 | 0.07 | Windows 3.1 |
| 30 | 30 | 0.03 | 30 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 31 | 30 | 0.03 | 27 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 32 | 29 | 0.03 | 28 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 33 | 27 | 0.03 | 24 | 0.06 | Windows CE |
| 34 | 27 | 0.03 | 4 | 0.01 | Windows XP |
| 35 | 18 | 0.02 | 18 | 0.04 | Auto; Windows |
| 36 | 16 | 0.02 | 8 | 0.02 | +http://duckduckgo.com |
| 37 | 12 | 0.01 | 6 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 11 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 39 | 11 | 0.01 | 11 | 0.03 | Linux i686 [unknown version] |
| 40 | 11 | 0.01 | 6 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 5 | 0.00 | 4 | 0.01 | Android |
| 42 | 5 | 0.00 | 3 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 43 | 5 | 0.00 | 5 | 0.01 | Intel Mac OS X 10.6 |
| 44 | 4 | 0.00 | 2 | 0.00 | +http://help.coccoc.com/ |
| 45 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 46 | 2 | 0.00 | 1 | 0.00 | WinHttp.WinHttpRequest.5 |
| 47 | 2 | 0.00 | 2 | 0.00 | Linux i586 [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 49 | 1 | 0.00 | 1 | 0.00 | +http://www.seograph.com/bot.html |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 51 | 1 | 0.00 | 1 | 0.00 | +http://gimme60.com |
