Determine if hyperlinks are valid in Excel

I have multiple cells in a sheet that have hyperlinks (=hyperlink(...)).
Those hyperlinks point to various websites that tend to change.
I have searched extensively, but not found anything similar.
Can anyone help me on this?

Answer

Use the object MSXML2.XMLHTTP as in the very good example here.

(for formulas, depending on your country, you might have to change ; with , or the opposite

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