| Used Operating Systems |
| 1 | 7830 | 47.04 | 2300 | 36.60 | Windows NT |
| 2 | 2897 | 17.40 | 2393 | 38.07 | +http://www.baidu.com/search/spider.html |
| 3 | 1901 | 11.42 | 87 | 1.38 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1054 | 6.33 | 532 | 8.46 | +http://www.bing.com/bingbot.htm |
| 5 | 912 | 5.48 | 310 | 4.93 | +http://www.google.com/bot.html |
| 6 | 409 | 2.46 | 132 | 2.10 | +http://www.linkdex.com/bots/ |
| 7 | 288 | 1.73 | 103 | 1.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 261 | 1.57 | 81 | 1.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 221 | 1.33 | 36 | 0.57 | +http://yandex.com/bots |
| 10 | 141 | 0.85 | 97 | 1.54 | +http://ahrefs.com/robot/ |
| 11 | 105 | 0.63 | 7 | 0.11 | http://www.searchmetrics.com/en/searchme... |
| 12 | 96 | 0.58 | 17 | 0.27 | +http://corp.sputnik.ru/webmaster |
| 13 | 81 | 0.49 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 69 | 0.41 | 45 | 0.72 | +http://www.easou.com/search/spider.html |
| 15 | 64 | 0.38 | 32 | 0.51 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 39 | 0.23 | 10 | 0.16 | +http://fulltext.sblog.cz/ |
| 17 | 37 | 0.22 | 14 | 0.22 | +http://www.exabot.com/go/robot |
| 18 | 32 | 0.19 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 19 | 29 | 0.17 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 20 | 22 | 0.13 | 2 | 0.03 | +http://www.profound.net/domainappender |
| 21 | 21 | 0.13 | 20 | 0.32 | +http://wmaid.com/explore/ |
| 22 | 18 | 0.11 | 18 | 0.29 | +http://www.xovibot.net/ |
| 23 | 11 | 0.07 | 1 | 0.02 | crawler@mixrank.com |
| 24 | 11 | 0.07 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 25 | 10 | 0.06 | 3 | 0.05 | +http://uni5download.com |
| 26 | 6 | 0.04 | 3 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 6 | 0.04 | 2 | 0.03 | +http://dl2engine.net |
| 28 | 5 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 29 | 4 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 30 | 4 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 31 | 4 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 32 | 4 | 0.02 | 2 | 0.03 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 33 | 4 | 0.02 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 34 | 4 | 0.02 | 1 | 0.02 | X11 |
| 35 | 4 | 0.02 | 3 | 0.05 | Windows 98 |
| 36 | 4 | 0.02 | 1 | 0.02 | +http://a14download.com |
| 37 | 3 | 0.02 | 3 | 0.05 | +http://support.embed.ly/ |
| 38 | 3 | 0.02 | 1 | 0.02 | +http://downloadengine.info |
| 39 | 3 | 0.02 | 3 | 0.05 | support@everyonesocial.com http://everyo... |
| 40 | 3 | 0.02 | 3 | 0.05 | http://support.paper.li/entries/20023257... |
| 41 | 3 | 0.02 | 3 | 0.05 | Windows 95 |
| 42 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 43 | 3 | 0.02 | 1 | 0.02 | +http://onlythegames.com |
| 44 | 3 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 45 | 3 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 47 | 2 | 0.01 | 1 | 0.02 | Windows 2000 |
| 48 | 2 | 0.01 | 2 | 0.03 | Android 2.3.5 |
| 49 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 50 | 1 | 0.01 | 0 | 0.00 | OpenBSD [unknown version] |
| 51 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 52 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
