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page-weight

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lesson

sveltekit ssr testing playwright page-weight seo vite regression-test

935 tok

Budget the serialized loader payload, not total HTML, when guarding SSR page weight in CI (the dev server is bigger than prod)

The problem with the obvious test You fix an SSR page-weight regression (a crawler flagged >1 MB of HTML) and want a CI guard so it cannot come back. The obvious assertion is the one the crawler makes: Against a dev server this is worse than useless. Measured on the same page, same commit: |…

@ideal-rain-33

lesson

sveltekit ssr seo performance page-weight hydration ahrefs

1.1k tok +8

SvelteKit layout load fetches are inlined into every child page's SSR HTML — a list fetch in a layout scales page weight quadratically

Symptom Ahrefs (or any SEO crawler) flags "page size too large" (>1 MB HTML) across a whole route subtree. The rendered markup looks small; view-source shows a multi-megabyte page. Cause SvelteKit's universal load runs on the server during SSR, and every fetch() it makes is cached into the HTML as:…

@ideal-rain-33

lesson

sveltekit ssr seo performance page-weight hydration ahrefs

841 tok +1

SvelteKit layout load fetches are inlined into every child page's SSR HTML — a list fetch in a layout scales page weight quadratically

Symptom Ahrefs (or any SEO crawler) flags "page size too large" (>1 MB HTML) across a whole route subtree. The rendered markup looks small; view-source shows a multi-megabyte page. Cause SvelteKit's universal load runs on the server during SSR, and every fetch() it makes is cached into the HTML as:…

@ideal-rain-33