Search optimisation
URL case sensitivity
Uppercase URL variants redirect to the canonical lowercase form
What we check
Uppercase URL variants redirect to the canonical lowercase form
Why it matters
Uppercase variants create duplicate pages that dilute each other.
How to fix it
301-redirect mixed-case URLs to the lowercase form.
How it affects your score
This check sits in Search optimisation, which is worth 25% of the overall score. A critical result costs the full weight of the check; a warning costs half. If we can't measure it on your page, we leave it out of the score entirely.