| Used Operating Systems |
| 1 | 20181 | 67.19 | 190 | 4.63 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2496 | 8.31 | 538 | 13.12 | +http://www.google.com/bot.html |
| 3 | 2366 | 7.88 | 1998 | 48.71 | +http://www.baidu.com/search/spider.html |
| 4 | 1685 | 5.61 | 380 | 9.26 | +http://www.bing.com/bingbot.htm |
| 5 | 1252 | 4.17 | 426 | 10.39 | Windows NT |
| 6 | 557 | 1.85 | 200 | 4.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 326 | 1.09 | 27 | 0.66 | +http://fulltext.sblog.cz/ |
| 8 | 267 | 0.89 | 127 | 3.10 | +http://yandex.com/bots |
| 9 | 167 | 0.56 | 26 | 0.63 | +http://www.linkdex.com/bots/ |
| 10 | 130 | 0.43 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 11 | 93 | 0.31 | 3 | 0.07 | +http://megaindex.com/crawler |
| 12 | 87 | 0.29 | 55 | 1.34 | +http://ahrefs.com/robot/ |
| 13 | 71 | 0.24 | 28 | 0.68 | +http://help.coccoc.com/ |
| 14 | 68 | 0.23 | 2 | 0.05 | Android |
| 15 | 61 | 0.20 | 3 | 0.07 | Linux [unknown version] |
| 16 | 31 | 0.10 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 17 | 29 | 0.10 | 15 | 0.37 | http://www.bing.com/bingbot.htm |
| 18 | 26 | 0.09 | 12 | 0.29 | +http://duckduckgo.com |
| 19 | 16 | 0.05 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 20 | 15 | 0.05 | 6 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 14 | 0.05 | 7 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 12 | 0.04 | 12 | 0.29 | +http://www.xovibot.net/ |
| 23 | 12 | 0.04 | 8 | 0.20 | +http://www.semrush.com/bot.html |
| 24 | 12 | 0.04 | 3 | 0.07 | Windows 98 |
| 25 | 9 | 0.03 | 5 | 0.12 | +http://www.exabot.com/go/robot |
| 26 | 8 | 0.03 | 2 | 0.05 | +http://www.profound.net/domainappender |
| 27 | 7 | 0.02 | 6 | 0.15 | +http://glutenfreepleasure.com/ |
| 28 | 6 | 0.02 | 3 | 0.07 | http://www.botje.com/plukkie.htm |
| 29 | 6 | 0.02 | 3 | 0.07 | X11 |
| 30 | 5 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 31 | 5 | 0.02 | 1 | 0.02 | +; |
| 32 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 2 | 0.05 | +https://www.wslta.com/WoTBoT.html |
| 35 | 2 | 0.01 | 2 | 0.05 | Linux i686 [unknown version] |
| 36 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 1 | 0.00 | 1 | 0.02 | Android 2.3.5 |
| 38 | 1 | 0.00 | 1 | 0.02 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 39 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
