| Used Operating Systems |
| 1 | 7164 | 42.26 | 139 | 2.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3078 | 18.16 | 2584 | 48.19 | +http://www.baidu.com/search/spider.html |
| 3 | 2469 | 14.56 | 1274 | 23.76 | Windows NT |
| 4 | 1312 | 7.74 | 621 | 11.58 | +http://www.bing.com/bingbot.htm |
| 5 | 1092 | 6.44 | 324 | 6.04 | +http://www.google.com/bot.html |
| 6 | 359 | 2.12 | 77 | 1.44 | +http://www.linkdex.com/bots/ |
| 7 | 279 | 1.65 | 93 | 1.73 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 231 | 1.36 | 52 | 0.97 | +http://yandex.com/bots |
| 9 | 120 | 0.71 | 8 | 0.15 | http://www.searchmetrics.com/en/searchme... |
| 10 | 115 | 0.68 | 3 | 0.06 | +http://webmeup-crawler.com/ |
| 11 | 107 | 0.63 | 63 | 1.17 | +http://ahrefs.com/robot/ |
| 12 | 82 | 0.48 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 13 | 74 | 0.44 | 3 | 0.06 | +http://advbot.net/bot.html |
| 14 | 68 | 0.40 | 2 | 0.04 | +http://www.similartech.com/smtbot |
| 15 | 67 | 0.40 | 4 | 0.07 | +http://fulltext.sblog.cz/ |
| 16 | 58 | 0.34 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 17 | 39 | 0.23 | 19 | 0.35 | +http://www.semrush.com/bot.html |
| 18 | 34 | 0.20 | 15 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 33 | 0.19 | 12 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 16 | 0.09 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 21 | 14 | 0.08 | 5 | 0.09 | +http://corp.sputnik.ru/webmaster |
| 22 | 14 | 0.08 | 1 | 0.02 | +http://www.exabot.com/go/robot |
| 23 | 10 | 0.06 | 0 | 0.00 | Android |
| 24 | 10 | 0.06 | 1 | 0.02 | Windows 98 |
| 25 | 9 | 0.05 | 9 | 0.17 | +http://support.embed.ly/ |
| 26 | 8 | 0.05 | 2 | 0.04 | http://filterdb.iss.net/crawler/ |
| 27 | 7 | 0.04 | 7 | 0.13 | http://support.paper.li/entries/20023257... |
| 28 | 7 | 0.04 | 2 | 0.04 | Linux [unknown version] |
| 29 | 7 | 0.04 | 4 | 0.07 | +http://www.xovibot.net/ |
| 30 | 6 | 0.04 | 2 | 0.04 | +http://getdownload.ws |
| 31 | 6 | 0.04 | 3 | 0.06 | +https://www.mojeek.com/bot.html |
| 32 | 6 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 33 | 5 | 0.03 | 2 | 0.04 | +http://gimme60.com |
| 34 | 5 | 0.03 | 5 | 0.09 | +http://domainsigma.com/robot |
| 35 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X 10.5.8; Tasman 1.0 |
| 36 | 4 | 0.02 | 2 | 0.04 | +http://www.openhose.org/bot.html |
| 37 | 4 | 0.02 | 2 | 0.04 | X11 |
| 38 | 4 | 0.02 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 4 | 0.02 | 1 | 0.02 | +http://downloadg5.com |
| 40 | 3 | 0.02 | 1 | 0.02 | Windows XP |
| 41 | 3 | 0.02 | 3 | 0.06 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 2 | 0.01 | 2 | 0.04 | FreeBSD [unknown version] |
| 44 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.01 | 2 | 0.04 | Linux i586 [unknown version] |
| 46 | 2 | 0.01 | 2 | 0.04 | +; |
| 47 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 48 | 1 | 0.01 | 1 | 0.02 | support@everyonesocial.com http://everyo... |
| 49 | 1 | 0.01 | 1 | 0.02 | ActiveXperts.Http |
| 50 | 1 | 0.01 | 1 | 0.02 | +http://www.loadtime.net/bot.html |
