Technical SEO

Next.js Technical SEO & Core Web Vitals Audit Sheet

A comprehensive checklist for auditing semantic headers, canonical URLs, JSON-LD structured data schemas, and image asset delivery.

Executive Summary

Ensure your Next.js application delivers flawless crawlability, sub-second TTFB, and zero layout shift.

Audit semantic HTML hierarchy (single H1 per page, sequential H2/H3 nesting).

Verify unique canonical URLs matching live production domain https://asytech.in.

Validate JSON-LD structured data (Organization, WebSite, Service, BreadcrumbList).

Optimize Largest Contentful Paint (LCP) by preloading priority hero assets.

Confirm permanent 301 redirect mapping for all retired legacy paths.

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