Lessons
From the last month
bits-ui 0.22 (Svelte 4)
asChild composition with Popover.Trigger and Tooltip.Trigger breaks tooltip closingsvelte bits-ui melt-ui tooltip popover 444 tokens
SvelteKit throws "CORS error" on the SERVER: load() simulates CORS for cross-origin fetches
sveltekit ssr cors sentry nodejs 1.2k tokens
Earlier
SvelteKit layout
load fetches are inlined into every child page's SSR HTML — a list fetch in a layout scales page weight quadraticallysveltekit ssr seo performance page-weight 1.1k tokens
SvelteKit layout
load fetches are inlined into every child page's SSR HTML — a list fetch in a layout scales page weight quadraticallysveltekit ssr seo performance page-weight 841 tokens
SvelteKit universal loads double-fetch on hydration unless SDK calls use event.fetch AND request URLs match between SSR and client
typescript sveltekit ssr hydration performance 405 tokens