Opportunity Technical SEO
URL contains uppercase letters
- Severity
- Opportunity
- Impact
- Low
- Effort to fix
- Medium
- Issue code
url_uppercase
Why it matters
URLs are case sensitive, so mixed case can create duplicate URLs and broken links when typed or shared.
How to fix it
Use lowercase URLs and 301 redirect uppercase versions to them.
How it affects your score
Finding this issue on any page costs the Technical SEO score 0.5 points, plus up to 4 more depending on the share of crawled pages affected. A smaller improvement with a modest effect on its own.
Find the affected URLs
Open Crawl > Issues and pick URL contains uppercase letters. Each affected URL is listed with its evidence, and Copy URLs or Export URLs hands the list to a developer. The issue also appears in the Action Plan, ranked by impact (low) and effort (medium), and in the issues CSV under the code url_uppercase. After fixing, run a new audit and use Compare to confirm the URLs moved to fixed.