| Used Operating Systems |
| 1 | 22799 | 30.92 | 846 | 5.47 | Windows NT |
| 2 | 22385 | 30.36 | 299 | 1.93 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 12249 | 16.61 | 8837 | 57.18 | +http://ahrefs.com/robot/ |
| 4 | 4914 | 6.66 | 3730 | 24.13 | +http://www.baidu.com/search/spider.html |
| 5 | 3330 | 4.52 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 2463 | 3.34 | 152 | 0.98 | +http://yandex.com/bots |
| 7 | 1610 | 2.18 | 308 | 1.99 | +http://www.bing.com/bingbot.htm |
| 8 | 842 | 1.14 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 780 | 1.06 | 332 | 2.15 | +http://www.google.com/bot.html |
| 10 | 655 | 0.89 | 462 | 2.99 | +http://www.xovibot.net/ |
| 11 | 449 | 0.61 | 183 | 1.18 | +http://www.linkdex.com/bots/ |
| 12 | 274 | 0.37 | 36 | 0.23 | +http://www.semrush.com/bot.html |
| 13 | 248 | 0.34 | 1 | 0.01 | Linux i686 [unknown version] |
| 14 | 129 | 0.17 | 69 | 0.45 | Windows 95 |
| 15 | 124 | 0.17 | 7 | 0.05 | +spider@seoscanners.net |
| 16 | 96 | 0.13 | 30 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 78 | 0.11 | 26 | 0.17 | Windows 98 |
| 18 | 53 | 0.07 | 17 | 0.11 | Windows XP |
| 19 | 35 | 0.05 | 5 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 24 | 0.03 | 17 | 0.11 | Windows ME |
| 21 | 24 | 0.03 | 24 | 0.16 | actually this is http://ismyblogworking.... |
| 22 | 24 | 0.03 | 11 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 23 | 22 | 0.03 | 9 | 0.06 | Windows 2000 |
| 24 | 18 | 0.02 | 2 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 25 | 17 | 0.02 | 7 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 26 | 16 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 27 | 15 | 0.02 | 9 | 0.06 | Windows 3.1 |
| 28 | 14 | 0.02 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 29 | 12 | 0.02 | 11 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 30 | 10 | 0.01 | 7 | 0.05 | Auto; Windows |
| 31 | 9 | 0.01 | 3 | 0.02 | +http://siteexplorer.info/ |
| 32 | 5 | 0.01 | 4 | 0.03 | Windows CE |
| 33 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 34 | 3 | 0.00 | 2 | 0.01 | +http://domainsigma.com/robot |
| 35 | 2 | 0.00 | 0 | 0.00 | Fedora 12 i686 |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 38 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
