TTFB vs full load time: what Wix site owners should know
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TTFB and full load time measure different parts of performance. TTFB focuses on how quickly the server starts responding. Full load time focuses on how long the page takes to finish loading visible resources and scripts.
TTFB helps diagnose
- Server response delays.
- Backend or hosting latency.
- Initial request performance.
- Regional response issues.
Full load time helps diagnose
- Large images.
- Too many apps or embeds.
- Heavy scripts.
- Slow media.
- Crowded page sections.
Why both matter
A page can have a decent TTFB but still feel slow because images, video, fonts, or third-party scripts take too long. A page can also have a slow initial response that affects everything after it.
Practical workflow
- Check TTFB.
- Check total load time.
- Review recent page changes.
- Compress or remove heavy assets.
- Test again after fixes.