| Used Operating Systems |
| 1 | 7455 | 41.01 | 147 | 2.39 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4338 | 23.86 | 2511 | 40.82 | Windows NT |
| 3 | 2512 | 13.82 | 2147 | 34.90 | +http://www.baidu.com/search/spider.html |
| 4 | 1212 | 6.67 | 394 | 6.41 | +http://www.google.com/bot.html |
| 5 | 824 | 4.53 | 439 | 7.14 | +http://www.bing.com/bingbot.htm |
| 6 | 361 | 1.99 | 120 | 1.95 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 261 | 1.44 | 39 | 0.63 | +http://yandex.com/bots |
| 8 | 136 | 0.75 | 48 | 0.78 | +http://www.linkdex.com/bots/ |
| 9 | 130 | 0.72 | 5 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 10 | 115 | 0.63 | 66 | 1.07 | +http://ahrefs.com/robot/ |
| 11 | 109 | 0.60 | 51 | 0.83 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 90 | 0.50 | 6 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 13 | 85 | 0.47 | 52 | 0.85 | +http://www.easou.com/search/spider.html |
| 14 | 80 | 0.44 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 15 | 64 | 0.35 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 16 | 64 | 0.35 | 15 | 0.24 | +http://fulltext.sblog.cz/ |
| 17 | 63 | 0.35 | 29 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 58 | 0.32 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 19 | 43 | 0.24 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 20 | 40 | 0.22 | 14 | 0.23 | +http://www.exabot.com/go/robot |
| 21 | 20 | 0.11 | 13 | 0.21 | X11 |
| 22 | 19 | 0.10 | 3 | 0.05 | Linux [unknown version] |
| 23 | 13 | 0.07 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 24 | 12 | 0.07 | 4 | 0.07 | Windows XP |
| 25 | 11 | 0.06 | 5 | 0.08 | Android 2.3.5 |
| 26 | 7 | 0.04 | 5 | 0.08 | Linux i686 [unknown version] |
| 27 | 7 | 0.04 | 6 | 0.10 | +http://wmaid.com/explore/ |
| 28 | 6 | 0.03 | 2 | 0.03 | +http://downloaflare.biz |
| 29 | 5 | 0.03 | 1 | 0.02 | +http://overx50.com |
| 30 | 5 | 0.03 | 1 | 0.02 | +http://tryload.in |
| 31 | 4 | 0.02 | 3 | 0.05 | +http://support.embed.ly/ |
| 32 | 4 | 0.02 | 4 | 0.07 | Windows 98 |
| 33 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 34 | 3 | 0.02 | 3 | 0.05 | support@everyonesocial.com http://everyo... |
| 35 | 2 | 0.01 | 2 | 0.03 | http://support.paper.li/entries/20023257... |
| 36 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 2 | 0.01 | 1 | 0.02 | crawler@unister.de |
| 38 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 41 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 42 | 1 | 0.01 | 1 | 0.02 | +http://tweetmeme.com/ |
| 43 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 44 | 1 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://www.xovibot.net/ |
| 46 | 1 | 0.01 | 1 | 0.02 | FreeBSD [unknown version] |
| 47 | 1 | 0.01 | 0 | 0.00 | SpreadTrum |
