A page load as music: every request is a note, the resource type picks the instrument, ads and analytics play out of tune, and long tasks silence the orchestra.
634 properties and at-rules as a star chart: a star shines as bright as the share of page loads that use it, constellations are spec sections, and the Milky Way is vendor prefixes.
All 115 elements of the current specification laid out as a periodic table. Search, filters by spec section and links to MDN.