| Used Operating Systems |
| 1 | 26081 | 32.67 | 3427 | 33.24 | Windows NT |
| 2 | 20737 | 25.97 | 149 | 1.45 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 13530 | 16.95 | 279 | 2.71 | +http://ahrefs.com/robot/ |
| 4 | 7153 | 8.96 | 5076 | 49.23 | +http://www.baidu.com/search/spider.html |
| 5 | 3549 | 4.44 | 367 | 3.56 | +http://yandex.com/bots |
| 6 | 3385 | 4.24 | 1 | 0.01 | +http://megaindex.com/crawler |
| 7 | 1709 | 2.14 | 474 | 4.60 | +http://www.google.com/bot.html |
| 8 | 1090 | 1.37 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 819 | 1.03 | 259 | 2.51 | +http://www.bing.com/bingbot.htm |
| 10 | 517 | 0.65 | 4 | 0.04 | +http://www.warebay.com/bot.html |
| 11 | 250 | 0.31 | 1 | 0.01 | Linux [unknown version] |
| 12 | 250 | 0.31 | 1 | 0.01 | Linux i586 [unknown version] |
| 13 | 224 | 0.28 | 57 | 0.55 | +http://www.exabot.com/go/robot |
| 14 | 182 | 0.23 | 38 | 0.37 | +http://www.linkdex.com/bots/ |
| 15 | 121 | 0.15 | 39 | 0.38 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 96 | 0.12 | 74 | 0.72 | +http://www.xovibot.net/ |
| 17 | 44 | 0.06 | 3 | 0.03 | +http://sur.ly/bot.html |
| 18 | 24 | 0.03 | 10 | 0.10 | Windows 98 |
| 19 | 19 | 0.02 | 19 | 0.18 | apps-spreadsheets; +http://docs.google.c... |
| 20 | 14 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 21 | 11 | 0.01 | 10 | 0.10 | +info@netcraft.com |
| 22 | 6 | 0.01 | 3 | 0.03 | +http://tobbot.com/ |
| 23 | 6 | 0.01 | 3 | 0.03 | +http://duckduckgo.com |
| 24 | 5 | 0.01 | 2 | 0.02 | Windows 95 |
| 25 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 3 | 0.00 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 28 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 29 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 30 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 32 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 33 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 34 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 35 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 36 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10_7_4 |
