Svelte · Senior · Question 50 of 75

What is the main performance advice for data loading in SvelteKit?

✓Correct answer: Avoid waterfalls: start independent requests in parallel, load on the server near the data, stream slow parts, and preload on hover
2Load everything in onMount
3Put all data in the root layout

Explanation

SvelteKit runs layout and page load functions in parallel unless you await parent() too early.

Further reading

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