| Used Operating Systems |
| 1 | 6514 | 63.77 | 131 | 6.21 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1297 | 12.70 | 523 | 24.80 | +http://www.google.com/bot.html |
| 3 | 1212 | 11.86 | 926 | 43.91 | Windows NT |
| 4 | 312 | 3.05 | 173 | 8.20 | +http://www.bing.com/bingbot.htm |
| 5 | 279 | 2.73 | 183 | 8.68 | +http://www.baidu.com/search/spider.html |
| 6 | 161 | 1.58 | 57 | 2.70 | +http://yandex.com/bots |
| 7 | 60 | 0.59 | 3 | 0.14 | http://crawler.007ac9.net/ |
| 8 | 46 | 0.45 | 21 | 1.00 | +http://www.exabot.com/go/robot |
| 9 | 44 | 0.43 | 2 | 0.09 | +https://www.aihitdata.com/about |
| 10 | 38 | 0.37 | 2 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 11 | 34 | 0.33 | 18 | 0.85 | +http://ahrefs.com/robot/ |
| 12 | 32 | 0.31 | 9 | 0.43 | +http://www.linkdex.com/bots/ |
| 13 | 27 | 0.26 | 1 | 0.05 | +http://webmeup-crawler.com/ |
| 14 | 22 | 0.22 | 6 | 0.28 | +http://siteexplorer.info/ |
| 15 | 20 | 0.20 | 7 | 0.33 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 19 | 0.19 | 2 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 18 | 0.18 | 1 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 18 | 18 | 0.18 | 1 | 0.05 | Linux [unknown version] |
| 19 | 9 | 0.09 | 9 | 0.43 | +http://domainsigma.com/robot |
| 20 | 8 | 0.08 | 6 | 0.28 | +info@netcraft.com |
| 21 | 7 | 0.07 | 2 | 0.09 | http://filterdb.iss.net/crawler/ |
| 22 | 6 | 0.06 | 1 | 0.05 | +http://www.profound.net/domainappender |
| 23 | 6 | 0.06 | 3 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 5 | 0.05 | 5 | 0.24 | +http://www.seograph.net/bot.html |
| 25 | 4 | 0.04 | 3 | 0.14 | Android 2.3.5 |
| 26 | 3 | 0.03 | 1 | 0.05 | Linux i686 [unknown version] |
| 27 | 3 | 0.03 | 3 | 0.14 | Windows 98 |
| 28 | 2 | 0.02 | 1 | 0.05 | http://nmap.org/book/nse.html |
| 29 | 2 | 0.02 | 2 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 30 | 2 | 0.02 | 2 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 31 | 1 | 0.01 | 1 | 0.05 | Windows 3.1 |
| 32 | 1 | 0.01 | 1 | 0.05 | Windows 95 |
| 33 | 1 | 0.01 | 1 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 34 | 1 | 0.01 | 1 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.01 | 1 | 0.05 | Linux i586 [unknown version] |
