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JOURNAL.
Performance culture, browser folklore, and the small details that make a site feel fast.
The Five Stages of Waiting for a Lighthouse Score
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A useful hour
with the waterfall.
Core Web Vitals can turn into a wall of acronyms fast. This Chrome Developers talk with Addy Osmani is a grounded starting point: watch it with a page open beside you, then follow one problem through its request, render, and interaction path.
Three notes to keep
- Measure a real page before deciding which change matters.
- Give the browser enough information to make a stable layout.
- Fix the work a visitor actually waits on before polishing the rest.
A 2020 Chrome Developers session with Addy Osmani.





