Slow time-to-first-byte
TTFB is high, indicating server or origin latency. This drags every other metric.
Check ID SLOW_TTFB
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Category Performance
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Available on every plan
How to fix it
Add caching at the CDN and origin, optimise the slowest backend handler, and move static assets to a CDN.
Wrendex catches slow time-to-first-byte on every audit.
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