| Used Operating Systems |
| 1 | 19103 | 63.92 | 596 | 12.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 2727 | 9.12 | 2166 | 46.58 | +http://www.baidu.com/search/spider.html |
| 3 | 1795 | 6.01 | 477 | 10.26 | Windows NT |
| 4 | 1512 | 5.06 | 442 | 9.51 | +http://www.bing.com/bingbot.htm |
| 5 | 1425 | 4.77 | 256 | 5.51 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1262 | 4.22 | 137 | 2.95 | +http://yandex.com/bots |
| 7 | 1049 | 3.51 | 375 | 8.06 | +http://www.google.com/bot.html |
| 8 | 276 | 0.92 | 50 | 1.08 | +http://www.semrush.com/bot.html |
| 9 | 186 | 0.62 | 16 | 0.34 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 105 | 0.35 | 13 | 0.28 | +http://ahrefs.com/robot/ |
| 11 | 81 | 0.27 | 28 | 0.60 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 69 | 0.23 | 21 | 0.45 | Windows XP |
| 13 | 60 | 0.20 | 5 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 14 | 37 | 0.12 | 8 | 0.17 | Windows 98 |
| 15 | 32 | 0.11 | 16 | 0.34 | Windows 95 |
| 16 | 28 | 0.09 | 12 | 0.26 | +http://www.exabot.com/go/robot |
| 17 | 20 | 0.07 | 2 | 0.04 | +http://megaindex.com/crawler |
| 18 | 20 | 0.07 | 4 | 0.09 | +http://www.profound.net/domainappender |
| 19 | 19 | 0.06 | 5 | 0.11 | Windows ME |
| 20 | 16 | 0.05 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 21 | 12 | 0.04 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 22 | 8 | 0.03 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 8 | 0.03 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 24 | 6 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 25 | 6 | 0.02 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 26 | 6 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.02 | 3 | 0.06 | Auto; Windows |
| 28 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 29 | 4 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
| 30 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 31 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 32 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
