Credibility · 22 points
Internal links
One check, stated three ways: what we measure, what would make it wrong, and how to confirm it yourself.
What this measures
How many links point to another path on the same host.
Where this check can be wrong
A single-purpose landing page can be correct with two links. Counting links is not judging their usefulness.
Verify it without taking our word for it
document.querySelectorAll('a[href^="/"]').length in your console, then check whether each destination exists.