When should you lazy load images (and when does it hurt LCP)?
A short rule list for loading="lazy": below the fold yes, LCP hero no, and retest after every theme or plugin change that touches images.
#lighthouse
Posts tagged #lighthouse
Brotli compression is on: why is PageSpeed / LCP still slow?
A green compression toggle is not an LCP fix. Confirm Content-Encoding on the critical path, then check the LCP element and Time to First Byte that still dominate the lab run.
Why is PageSpeed Insights worse than my local Lighthouse score?
Same URL, same Lighthouse engine: different CPU, throttling, and cache. Compare tools fairly instead of merging the scores.
How to set performance budgets that CI and clients both keep
Same LCP and CLS numbers in the merge gate and the retainer review — not two conflicting greens.
How to increase PageSpeed/performance of a website that makes heavy use of interactive maps?
Defer map JavaScript until intent, reserve container height, and treat pan and zoom as INP work—not a one-time Lighthouse pass on a static screenshot.
How we tuned apogee.lu for a 95 mobile PageSpeed score
Render-blocking CSS, Cloudflare HTML rewrite, fixed hero heights, and Watcher domain report Summary before and after
