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Speed / CWV · can they loaded?
Time to First Byte (TTFB)
How long the server takes to start replying at all, before any rendering begins. Target is under 800 milliseconds.
Why it matters
It is a floor under every other speed metric. Nothing on the page can be fast if the server has not begun answering.
How to fix it, step by step
Developer — this one needs someone who can change the code or the hosting.
- 1Enable full-page caching so repeat requests skip the database entirely.
- 2Put a CDN in front so visitors are served from somewhere near them.
- 3Check for slow database queries or an overloaded shared host — this is often simply the hosting plan.
- 4In WordPress, deactivate plugins one at a time to find one running heavy work on every request.
How to know it worked
PageSpeed Insights or your browser's Network tab shows TTFB comfortably under 800ms.
Others in Speed / CWV
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