The original title is "How I Built ToolHub: A 138-Tool Static PWA That Stays Sub-Second"

Short summary

A brief retrospective on building ToolHub, a 138-tool static PWA using Next.js static export with custom service worker caching. The post highlights stale-while-revalidate for static assets, network-first for HTML, full offline capability, programmatic SEO, and a zero-CLS ad strategy. Most detail is deferred to an external blog post, making this summary itself thin on substance.

• •ToolHub is a 138-tool static PWA built with Next.js static export
• •Custom service worker uses stale-while-revalidate for assets and network-first for HTML
• •Full offline capability once cached; includes programmatic SEO and zero-CLS ad strategy

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