Performance98 on Lighthouse, Slow for Real Users: Core Web Vitals
The developer kept sending screenshots of the score. Real users had a median LCP of 4.6 seconds, because the consent script blocked rendering for two of them.
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Performance
PerformanceCaching Strategies, and the Four Places We Forgot to Invalidate
A price change went out and one customer kept seeing the old one. It was cached in four places. We had invalidated one of them.
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