| Used Operating Systems |
| 1 | 31409 | 53.57 | 230 | 2.83 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8351 | 14.24 | 1668 | 20.54 | Windows NT |
| 3 | 7084 | 12.08 | 4544 | 55.97 | +http://www.baidu.com/search/spider.html |
| 4 | 6768 | 11.54 | 276 | 3.40 | +http://ahrefs.com/robot/ |
| 5 | 1930 | 3.29 | 192 | 2.36 | +http://yandex.com/bots |
| 6 | 1148 | 1.96 | 321 | 3.95 | +http://www.bing.com/bingbot.htm |
| 7 | 810 | 1.38 | 344 | 4.24 | +http://www.google.com/bot.html |
| 8 | 480 | 0.82 | 288 | 3.55 | +http://www.linkdex.com/bots/ |
| 9 | 168 | 0.29 | 135 | 1.66 | +http://www.xovibot.net/ |
| 10 | 90 | 0.15 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 11 | 79 | 0.13 | 29 | 0.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 67 | 0.11 | 7 | 0.09 | +http://fulltext.sblog.cz/ |
| 13 | 52 | 0.09 | 6 | 0.07 | Windows 98 |
| 14 | 38 | 0.06 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 15 | 24 | 0.04 | 12 | 0.15 | +http://duckduckgo.com |
| 16 | 22 | 0.04 | 22 | 0.27 | apps-spreadsheets; +http://docs.google.c... |
| 17 | 22 | 0.04 | 11 | 0.14 | +http://www.exabot.com/go/robot |
| 18 | 20 | 0.03 | 2 | 0.02 | +http://megaindex.com/crawler |
| 19 | 16 | 0.03 | 6 | 0.07 | +http://help.coccoc.com/ |
| 20 | 16 | 0.03 | 6 | 0.07 | +http://tobbot.com/ |
| 21 | 8 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 23 | 3 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 24 | 2 | 0.00 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 25 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 26 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
| 27 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 28 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 29 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 31 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 32 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 33 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 34 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 35 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
