| Used Operating Systems |
| 1 | 11234 | 66.41 | 215 | 5.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1883 | 11.13 | 1661 | 41.83 | +http://www.baidu.com/search/spider.html |
| 3 | 1579 | 9.33 | 1233 | 31.05 | Windows NT |
| 4 | 910 | 5.38 | 387 | 9.75 | +http://www.google.com/bot.html |
| 5 | 511 | 3.02 | 251 | 6.32 | +http://www.bing.com/bingbot.htm |
| 6 | 167 | 0.99 | 34 | 0.86 | +http://yandex.com/bots |
| 7 | 69 | 0.41 | 51 | 1.28 | +http://ahrefs.com/robot/ |
| 8 | 66 | 0.39 | 3 | 0.08 | +http://endb-consolidated.aihit.com/ |
| 9 | 61 | 0.36 | 24 | 0.60 | +http://www.linkdex.com/bots/ |
| 10 | 58 | 0.34 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 11 | 58 | 0.34 | 28 | 0.71 | +http://www.meanpath.com/meanpathbot.htm... |
| 12 | 54 | 0.32 | 3 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 13 | 40 | 0.24 | 2 | 0.05 | http://crawler.007ac9.net/ |
| 14 | 36 | 0.21 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 15 | 25 | 0.15 | 12 | 0.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 20 | 0.12 | 1 | 0.03 | http://www.lipperhey.com/ |
| 17 | 17 | 0.10 | 15 | 0.38 | +http://www.semrush.com/bot.html |
| 18 | 16 | 0.09 | 7 | 0.18 | +http://www.exabot.com/go/robot |
| 19 | 14 | 0.08 | 7 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 11 | 0.07 | 1 | 0.03 | crawler@mixrank.com |
| 21 | 10 | 0.06 | 5 | 0.13 | http://crawler.sistrix.net/ |
| 22 | 10 | 0.06 | 0 | 0.00 | Linux [unknown version] |
| 23 | 9 | 0.05 | 3 | 0.08 | http://filterdb.iss.net/crawler/ |
| 24 | 8 | 0.05 | 2 | 0.05 | +http://uni5download.com |
| 25 | 8 | 0.05 | 6 | 0.15 | +info@netcraft.com |
| 26 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 4 | 0.02 | 1 | 0.03 | +http://mono.name |
| 28 | 4 | 0.02 | 1 | 0.03 | +http://getdownload.ws |
| 29 | 4 | 0.02 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 4 | 0.02 | 1 | 0.03 | +http://galaxydownloads.co |
| 31 | 3 | 0.02 | 3 | 0.08 | +http://fb02itsscan.fh-muenster.de |
| 32 | 3 | 0.02 | 1 | 0.03 | Linux i686 [unknown version] |
| 33 | 3 | 0.02 | 1 | 0.03 | +http://alphaphitote.com |
| 34 | 3 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 3 | 0.02 | 1 | 0.03 | +http://opendownload.pw |
| 36 | 2 | 0.01 | 1 | 0.03 | Android 2.3.5 |
| 37 | 2 | 0.01 | 2 | 0.05 | +http://www.xovibot.net/ |
| 38 | 1 | 0.01 | 1 | 0.03 | Windows 3.1 |
| 39 | 1 | 0.01 | 1 | 0.03 | X11 |
