| Used Operating Systems |
| 1 | 5056 | 41.60 | 1565 | 32.48 | Windows NT |
| 2 | 2400 | 19.74 | 2051 | 42.56 | +http://www.baidu.com/search/spider.html |
| 3 | 1799 | 14.80 | 141 | 2.93 | +http://yandex.com/bots |
| 4 | 852 | 7.01 | 257 | 5.33 | +http://www.bing.com/bingbot.htm |
| 5 | 688 | 5.66 | 376 | 7.80 | +http://www.google.com/bot.html |
| 6 | 575 | 4.73 | 171 | 3.55 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 176 | 1.45 | 21 | 0.44 | +http://www.semrush.com/bot.html |
| 8 | 69 | 0.57 | 43 | 0.89 | Windows 95 |
| 9 | 63 | 0.52 | 8 | 0.17 | +http://ahrefs.com/robot/ |
| 10 | 58 | 0.48 | 24 | 0.50 | Windows 98 |
| 11 | 53 | 0.44 | 19 | 0.39 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 53 | 0.44 | 16 | 0.33 | Windows XP |
| 13 | 38 | 0.31 | 18 | 0.37 | +http://duckduckgo.com |
| 14 | 31 | 0.26 | 13 | 0.27 | Windows 3.1 |
| 15 | 28 | 0.23 | 5 | 0.10 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 24 | 0.20 | 6 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 17 | 23 | 0.19 | 6 | 0.12 | +http://www.profound.net/domainappender |
| 18 | 20 | 0.16 | 17 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 19 | 19 | 0.16 | 11 | 0.23 | ) - BrowseX (2.0.0 Windows |
| 20 | 19 | 0.16 | 2 | 0.04 | X11 |
| 21 | 15 | 0.12 | 11 | 0.23 | Windows 2000 |
| 22 | 14 | 0.12 | 6 | 0.12 | +http://www.findxbot.com |
| 23 | 10 | 0.08 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 24 | 9 | 0.07 | 5 | 0.10 | Windows CE |
| 25 | 9 | 0.07 | 4 | 0.08 | Windows ME |
| 26 | 9 | 0.07 | 2 | 0.04 | +http://siteexplorer.info/ |
| 27 | 6 | 0.05 | 3 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 28 | 5 | 0.04 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 29 | 5 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 30 | 5 | 0.04 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 31 | 4 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 32 | 4 | 0.03 | 2 | 0.04 | +http://domainsigma.com/robot |
| 33 | 4 | 0.03 | 2 | 0.04 | +http://help.coccoc.com/searchengine |
| 34 | 4 | 0.03 | 2 | 0.04 | +http://www.exabot.com/go/robot |
| 35 | 2 | 0.02 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 36 | 2 | 0.02 | 2 | 0.04 | Auto; Windows |
| 37 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 38 | 2 | 0.02 | 0 | 0.00 | +http://www.domainoptima.com/robot |
