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WordPress fix guide

Slow Time to First Byte (TTFB) on WordPress

Time to First Byte exceeds 800ms, indicating slow server response. TTFB affects all other performance metrics as a bottleneck.

Issue ID: CWV-TTFB-001Severity: moderateEffort: M

Why this matters

Time to First Byte exceeds 800ms, indicating slow server response. TTFB affects all other performance metrics as a bottleneck. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.

WordPress fix path

How to fix this on WordPress

Use the page editor, theme, or SEO tooling depending on where this issue lives.

  1. 1Inspect the page and theme output.
  2. 2Apply the fix in the most direct place.
  3. 3Publish and validate with a re-audit.

After you fix it

  • Measure TTFB using WebPageTest or Chrome DevTools and confirm it is under 800ms

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