website not working

Suddenly show “This page isn’t working sent an invalid response.
please help

how I can see you have 301 redirect to http: //
it does not lead anywhere

Like @OxyDac said, you created a redirect which pointed your website to http://, which is obviously not a real URL. I have removed the redirect and your website seems to be working now.

thanks you <3

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I have to admit that this is the first time I see such a problem
thank you @mrelectronics :smiley:

unlike your chrome my firefox has thrown this out

The site has experienced a violation of the network protocol that can not be repaired. The page you are trying to view can not be displayed because an error in the data transmission was detected. Please contact the website owners to inform them of this problem.

my first reaction was WHAATT ?? o_O

I open developer tools / console
looking at request and response
but the response field in the GUI is empty

I think damn! maybe some software stuff is crazy there

but in firefox, where it displays get request (headers)
there is a small button which shows RAW HEADERS
and just then I actually saw it that nginx responds with new url = http: //

after install ssl certificate shows same problem…

same? for me all is OK
some stuff is still http like

correct this to https for full green lock (SSL)