
Why your website is slow: the 8 usual causes and the fixes
The eight things that slow most websites down, how to spot each one, and the fixes that make the biggest difference.

The eight things that slow most websites down, how to spot each one, and the fixes that make the biggest difference.

We tested all 28 PageCore demo sites with Lighthouse on phones and desktops. The results, what keeps them fast and what still slows some down.
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