CodeIgniter4 - Starting with RESTful API Resources

Well, means that Firefox is blocking. Please, see the console.

https://developer.mozilla.org/en-US/docs...ed_content

On Chrome just show the tag [Video: https://www.youtube.com/watch?v=lmAPsJDthFA]

Well, don't try to embed http:// links on an https:// site.

I don't even know how you did that. YouTube has HSTS, so you can't possibly copy a non-TLS link from them, and the forum tools ask just for that link ... You click on the insert video icon, select YouTube, paste the link and this is what's generated:

Code:

[video=youtube]https://www.youtube.com/watch?v=lmAPsJDthFA[/video]