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Technical fix guide

Large HTML Size

Slow initial load, especially on mobile connections.

Issue ID: TECH-HTML-001
Severity: medium
Impact: Med
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.
Re-run full audit

What this issue is

Slow initial load, especially on mobile connections.

Why it matters

Slow initial load, especially on mobile connections. 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-001 fails and the page evidence points to Http headers.
  • 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

  1. 1Minify HTML output
  2. 2Remove unused code and inline styles
  3. 3Move large inline CSS/JS to external files
  4. 4Enable gzip compression on server

How to re-check it

  • Check page source size is under 500KB

Related tools

This issue is best verified with the full FreeSiteAudit crawl rather than a single-point mini tool.