Using hreflang tags properly.

[absoauto]

On my site "example.com" I have set up the following in the header:

The problem is that the tags are universal across the site, so every page has these tags, leading obviously to no return tag errors. I.e. the page www.example.ca/testing.html still has the tags:

Not tags with "testing.html" in them. How bad is this? Does it matter?

[OlegKorneitchouk]

Not tags with "testing.html" in them. How bad is this? Does it matter?

very bad. you are better off not using the hreflang tag at all then... you'll just be confusing search engines.

www.example.ca/testing.html should have:

[absoauto]

Thank you, that was what I thought.