Well, what you have with:
<a href="https://developers.google.com/speed/pagespeed/insights/?url=websiteurl.com">PageSpeed Insights</a>
is a link though google to websiteurl.com, whereas you really should have:
<a href="https://websiteurl.com">PageSpeed Insights</a>
That said, you can resolve the matter by changing:
"="
in the VBA code to:
"href="