Technical fix guide
Sitewide HTML Validation Patterns
Recurring HTML validation errors detected across multiple pages indicate template-level issues that should be fixed once at the source.
Issue ID: TECH-HTML-PATTERNS-001
Severity: minor
Impact: Low
Effort: M
Use this article when
- You need deeper remediation guidance than the issue card can show.
- You want CMS-specific steps before handing the fix to a developer.
- You want a repeatable re-check path after shipping the change.
What this issue is
Recurring HTML validation errors detected across multiple pages indicate template-level issues that should be fixed once at the source.
Why it matters
Recurring HTML validation errors detected across multiple pages indicate template-level issues that should be fixed once at the source. This affects crawlability, rendering, and whether the site can be interpreted correctly by search engines.
How we detect it
- FreeSiteAudit flags this issue when the rule for TECH-HTML-PATTERNS-001 fails and the page evidence points to Dom body.
- You can usually confirm this by checking the page source or the relevant page settings inside your CMS.
Evidence examples
Check the affected page source, rendered output, or relevant CMS setting to confirm the missing or incorrect element.
How to fix it
- 1Identify common validation errors across crawled pages
- 2Fix template-level HTML issues in your CMS or layout components
- 3Re-validate after changes using the W3C Markup Validation Service
How to re-check it
- Run validation on 5+ representative pages and confirm zero common errors
Related tools
This issue is best verified with the full FreeSiteAudit crawl rather than a single-point mini tool.