Engineering & Technical Audit Team
The ScanWise engineering and technical SEO team researches web performance, Core Web Vitals, crawl mechanics, and digital compliance.
Comprehensive XML sitemap guide for technical SEO. Learn what to include, what to exclude, how to handle pagination, and generate dynamic sitemap.ts in Next.js.
Understand the SEO differences between 301 and 302 redirects. Learn when to use permanent vs temporary status codes, plus how Next.js handles 307 and 308 headers.
Master title tag and meta description optimization. Avoid pixel truncation, prevent Google title rewriting, and structure high-CTR search snippets that convert.
Write descriptive alt text that serves screen readers and enhances Google Images discovery. Learn rules for informative vs decorative graphics and WCAG 1.1.1.
Discover how to find and fix broken links before they harm user experience and SEO. Design effective 404 error pages and prevent link rot across your site.
Systematic guide to improving page speed by measured impact. Prioritize server response, critical CSS, resource hinting, and image payloads with real benchmarks.
Learn what Time to First Byte (TTFB) measures and discover actionable engineering fixes: edge CDN routing, server-side caching, and streaming SSR architecture.
Eliminate render-blocking CSS and JavaScript. Learn how to identify critical path blockers in DevTools, inline essential styles, and defer script execution safely.
Deconstruct how the Google Lighthouse performance score is calculated. Understand metric weightings, why 100/100 differs from field data, and what to fix first.
Master robots.txt syntax, avoid crawl-blocking mistakes, and implement dynamic routing with Next.js robots.ts. Complete guide with RFC 9309 crawler standards.
Master the four distinct sub-phases of Largest Contentful Paint in Next.js App Router applications. Learn how priority image loading, font metric fallbacks, and server-streaming eliminate render delays.
Prevent catastrophic indexation failures before shipping to production. A 20-point engineering checklist covering robots.txt rules, canonical loops, SSR parity, and sitemap hygiene.
Interaction to Next Paint replaced FID as an official Core Web Vital. Discover how to identify main-thread long tasks, leverage React 19 transitions, and yield to the browser scheduler.
Transform raw HTML into search-engine-readable entity graphs. Build interconnected JSON-LD schemas for Article, Organization, BreadcrumbList, and FAQPage with strict validation.
Transport security is an essential foundation for web platforms. Learn how HSTS, Content Security Policy, and X-Content-Type-Options protect users, streamline crawl requests, and preserve analytics attribution.
Prevent disruptive UI jank and improve Core Web Vitals. Discover how to eliminate Cumulative Layout Shift (CLS) in React and Next.js through aspect-ratio reservations, font fallback metrics, and dynamic slot stabilization.
Master canonicalization in Next.js App Router. Learn how to prevent duplicate content penalties from trailing slashes, tracking parameters, pagination, and multi-tenant subdomains.
Deploy strict Content Security Policy (CSP) nonces across Next.js Server Components and Edge middleware without breaking Googlebot crawling, analytics, or React hydration.
Build regression-free accessibility pipelines. Learn how to integrate @axe-core/playwright into GitHub Actions to enforce WCAG 2.1 AA compliance across Next.js route trees.
Achieve sub-second LCP by pairing next/image with AVIF, WebP, responsive device sizes, and priority preloading. Eliminate layout shift while slashing image payload by up to 60%.
