Myth: layout shift only happens while loading CLS — Cumulative Layout Shift — measures content jumping around (that annoying moment a button hops just as you tap). Many people assume it's purely a pag…
Myth: lazy-load every image to go faster Lazy loading means an image only downloads when you scroll near it — smart for photos far down the page. The advice "add it everywhere" sounds tidy, but it bac…
Myth: you need a PageSpeed score of 100 Good news first — this one's easier than it sounds. PageSpeed Insights (Google's free speed checker) shows a 0-100 score in a colored circle, and folks chase th…
A Pre-Launch Core Web Vitals Checklist Before you publish a new page, a quick run-through catches the common speed mistakes while they're still cheap to fix. Think of it like a pilot's pre-flight chec…
Inline Critical CSS to Paint Faster Your CSS file is render-blocking — the browser won't show anything until it loads. But you only need a small slice of CSS to draw the top of the page. Inlining that…
Verify a Fix Actually Worked The most-skipped step is confirming your change helped. Field data updates slowly, so a quick lab re-test plus patience is the right combo. Think of it like watering a pla…
