SiteAud!tLint Support

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.