Headless WordPress with Next.js 15: Achieving 99+ Google PageSpeed Without Losing Editorial Freedom
Decoupling content editors from frontend execution using ISR, GraphQL queries, edge CDN caching, and sub-100ms Largest Contentful Paint (LCP).
Written by
Tanvir Ahmed
Verified ProPrincipal Architect
Tanvir Ahmed writes about headless web perf from the GrowBig IT engineering floor.
Section // 01
Overview
Editors should never wait on a deploy. We keep WordPress as the authoring surface, expose content through WPGraphQL, and let Next.js incremental static regeneration publish updates at the edge.
Section // 02
Key Insight 01
The performance win comes from removing theme rendering from the critical path. With cached fragments and route-level revalidation, LCP stays under 100ms for returning readers while editorial changes still land in seconds.
Tanvir Ahmed
Principal Architect
Tanvir Ahmed writes about headless web perf from the GrowBig IT engineering floor.
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