Friends, while doing research, I came across something. Could you take a look? Do you think the same way?

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Hello friends, while gathering information about Joomla, on the website http://www.joomlanedir.com/joomla-nedir-icerikleri/10-joomla-ile-neler-yapilmis.html, there are web sites made with Joomla, including -shiftdelete.net/ and -porsche.com. Do you think these are created using Joomla? I'm sorry, I don't have much knowledge about Joomla.