| Used Operating Systems |
| 1 | 45786 | 55.41 | 400 | 4.21 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 24610 | 29.78 | 5212 | 54.85 | Windows NT |
| 3 | 3318 | 4.02 | 1799 | 18.93 | +http://www.baidu.com/search/spider.html |
| 4 | 2915 | 3.53 | 552 | 5.81 | +http://www.bing.com/bingbot.htm |
| 5 | 1617 | 1.96 | 576 | 6.06 | +http://www.google.com/bot.html |
| 6 | 618 | 0.75 | 141 | 1.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 387 | 0.47 | 16 | 0.17 | http://www.searchmetrics.com/en/searchme... |
| 8 | 352 | 0.43 | 135 | 1.42 | +http://ahrefs.com/robot/ |
| 9 | 331 | 0.40 | 104 | 1.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 308 | 0.37 | 92 | 0.97 | +http://www.linkdex.com/bots/ |
| 11 | 298 | 0.36 | 33 | 0.35 | +http://www.semrush.com/bot.html |
| 12 | 291 | 0.35 | 62 | 0.65 | +http://yandex.com/bots |
| 13 | 218 | 0.26 | 28 | 0.29 | +http://www.profound.net/domainappender |
| 14 | 216 | 0.26 | 71 | 0.75 | Windows 95 |
| 15 | 154 | 0.19 | 12 | 0.13 | +http://fulltext.sblog.cz/ |
| 16 | 145 | 0.18 | 46 | 0.48 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 95 | 0.11 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 18 | 94 | 0.11 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 19 | 74 | 0.09 | 19 | 0.20 | Windows 98 |
| 20 | 64 | 0.08 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 21 | 62 | 0.08 | 2 | 0.02 | +http://advbot.net/bot.html |
| 22 | 59 | 0.07 | 16 | 0.17 | Windows CE |
| 23 | 54 | 0.07 | 0 | 0.00 | Windows Phone OS 7.0 |
| 24 | 48 | 0.06 | 15 | 0.16 | X11 |
| 25 | 48 | 0.06 | 16 | 0.17 | +http://www.exabot.com/go/robot |
| 26 | 45 | 0.05 | 0 | 0.00 | Windows Phone OS 7.5 |
| 27 | 38 | 0.05 | 11 | 0.12 | +http://www.easou.com/search/spider.html |
| 28 | 33 | 0.04 | 1 | 0.01 | +http://www.aihitdata.com/about |
| 29 | 30 | 0.04 | 15 | 0.16 | +http://duckduckgo.com |
| 30 | 26 | 0.03 | 10 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 31 | 22 | 0.03 | 2 | 0.02 | crawler@mixrank.com |
| 32 | 22 | 0.03 | 7 | 0.07 | Windows ME |
| 33 | 22 | 0.03 | 5 | 0.05 | +http://siteexplorer.info/ |
| 34 | 18 | 0.02 | 5 | 0.05 | +http://help.coccoc.com/ |
| 35 | 18 | 0.02 | 7 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 36 | 16 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 37 | 15 | 0.02 | 5 | 0.05 | Auto; Windows |
| 38 | 14 | 0.02 | 3 | 0.03 | Android 2.3.5 |
| 39 | 12 | 0.01 | 6 | 0.06 | Linux i686 [unknown version] |
| 40 | 11 | 0.01 | 3 | 0.03 | Windows XP |
| 41 | 10 | 0.01 | 6 | 0.06 | mailto: crawling@ubermetrics-technologie... |
| 42 | 10 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 9 | 0.01 | 5 | 0.05 | Windows 2000 |
| 44 | 8 | 0.01 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 45 | 8 | 0.01 | 8 | 0.08 | +http://www.xovibot.net/ |
| 46 | 8 | 0.01 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 47 | 7 | 0.01 | 7 | 0.07 | +http://www.domaintuno.com/robot |
| 48 | 6 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 49 | 5 | 0.01 | 5 | 0.05 | Linux [unknown version] |
| 50 | 4 | 0.00 | 4 | 0.04 | http://support.paper.li/entries/20023257... |
| 51 | 4 | 0.00 | 1 | 0.01 | +http://isdownload.biz |
| 52 | 4 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 53 | 4 | 0.00 | 2 | 0.02 | +http://www.idmarch.org/bot.html |
| 54 | 4 | 0.00 | 2 | 0.02 | +http://gimme60.com |
| 55 | 4 | 0.00 | 0 | 0.00 | +http://173.13.143.74/bot.php |
| 56 | 3 | 0.00 | 1 | 0.01 | +http://overx50.com |
| 57 | 3 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 58 | 2 | 0.00 | 1 | 0.01 | http://linkfluence.net/; bot@linkfluence... |
| 59 | 2 | 0.00 | 0 | 0.00 | Android |
| 60 | 2 | 0.00 | 2 | 0.02 | PPC Mac OS X Mach-O |
| 61 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 62 | 2 | 0.00 | 2 | 0.02 | +http://www.wmtips.com/tools/ |
| 63 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 64 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 65 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 66 | 1 | 0.00 | 1 | 0.01 | +http://meta.stackoverflow.com/q/130398 |
| 67 | 1 | 0.00 | 1 | 0.01 | ActiveXperts.Http |
| 68 | 1 | 0.00 | 1 | 0.01 | +http://tweetedtimes.com |
| 69 | 1 | 0.00 | 1 | 0.01 | +; |
| 70 | 1 | 0.00 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 71 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 72 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
