1.8 URL structure & internationalisationMediumInferred
Uppercase characters in URLs
What it is
Mixed-case paths.
Why it matters
Case sensitivity can create duplicate URLs.
How to fix it
Use lowercase; redirect variants.
Impact
Low-medium. Inferred.
Evidence
Consistent (lowercase) URLs avoid duplication. Google Search Central, Keep a simple URL structure; Google Search Central, Consolidate duplicate URLs (canonicalization)
Sources