Firefox Can't Open This Page - MDN Embedded browser ERROR - Learn Web Development


… and when I click Open Site in New Window button, it displays:

Hello @dika.alfred

looks like there security issue on that page
looks like it pretend to be mdn while it’ not
are you sure of that page ?
where did you get link to that page?

It’s the embedded example at It displays correctly for me. When I open the URL in the second screenshot directy, it also works:

Maybe it was a temporary issue? @dika.alfred could you please test again?

Thank you!

1 Like

nice catch @mikoMK well done :wink:

i checked it and both work fine for me

@dika.alfred if you still has issue try to check it private mode while disable all extension or clear your browser cache

1 Like