Warning On-Page SEO
Missing H1
- Severity
- Warning
- Impact
- Medium
- Effort to fix
- Low
- Issue code
h1_missing
Why it matters
The H1 tells users and search engines what the page is about.
How to fix it
Add one H1 that states the page's main topic.
How it affects your score
Finding this issue on any page costs the On-Page SEO score 3 points, plus up to 12 more depending on the share of crawled pages affected. Weakens rankings, crawling or measurement. Fix after critical issues.
Find the affected URLs
Open Crawl > Issues and pick Missing H1. 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 (medium) and effort (low), and in the issues CSV under the code h1_missing. After fixing, run a new audit and use Compare to confirm the URLs moved to fixed.