Core Web Vitals
Core Web Vitals Audit
Comprehensive LCP, CLS, INP, and FID analysis across all major pages with a prioritised fix roadmap ranked by user impact.
Next.js Performance
Audit & Optimisation.
From Slow to 100 Lighthouse Score.
Aurayan audits and optimises Next.js applications for Core Web Vitals, Lighthouse performance, and production scalability. We identify every bottleneck — bundle bloat, hydration issues, slow queries, and CDN gaps — and deliver concrete fixes ranked by impact. As a Next.js agency, we hold our own site to a 100 Performance score and expect the same from every project we touch.
Lighthouse score below 70
LCP over 3 seconds on mobile
JavaScript bundle exceeding 2MB
Hydration errors on every page
Database queries timing out under load
Issues found by users, not monitoring
No commitment. First call is free.
- 40pt
- Avg. Lighthouse improvement
- 60%
- Typical bundle size reduction
- <2s
- LCP achievable on most sites
- 100%
- Findings come with concrete fixes
What We Audit
Every Performance Bottleneck, Found and Fixed
We audit every layer of your Next.js stack — from JavaScript bundle to database queries — and deliver ranked findings with concrete remediation steps.
Bundle Analysis
JavaScript Bundle Analysis
Webpack/Turbopack deep-dive using source-map-explorer. Identify heavy dependencies, remove dead code, and split at correct boundaries.
Hydration
React Hydration Fixes
Diagnose and eliminate hydration mismatches, excessive client-side rendering, and over-use of "use client" directives that kill TTI.
Images
Image & Asset Optimisation
next/image audit, AVIF/WebP delivery, lazy loading, priority preloading for LCP images, and font subsetting for above-the-fold content.
Database
Database Query Profiling
Slow query identification, N+1 query elimination, proper indexing strategy, and query caching for PostgreSQL and MongoDB at scale.
Infrastructure
Infrastructure & Caching
CDN configuration, cache-control headers, ISR strategy, Redis implementation, and server-side optimisations for sub-200ms TTFB.
Engagement Models
Audit, fix, or monitor — your choice
From a one-week audit report to an ongoing monitoring partnership — choose the depth of engagement that fits your team and timeline.
Performance Report
Full audit, 1-week turnaroundA comprehensive written audit covering every identified performance issue with a prioritised roadmap — ranked by user impact and effort to fix.
- Core Web Vitals analysis
- Bundle analysis report
- Database profiling
- Prioritised fix roadmap
Most Popular
Audit + Fix Sprint
Audit followed by implementationWe audit your Next.js application and then implement the top-priority fixes in a focused 3-week sprint — measurable Lighthouse improvement guaranteed.
- Full audit first
- Top findings implemented
- Lighthouse CI setup
- Before/after comparison
Ongoing Monitoring
Monthly performance reviewsMonthly performance reviews and regression tracking — we catch degradations before your users do and keep your Lighthouse score where it should be.
- Monthly Lighthouse audit
- Regression alerts
- Bundle size tracking
- Monthly report
FAQ
Frequently asked questions
Everything you need to know about our performance audit process — what it covers, how long it takes, and what you get.
- What does a Next.js performance audit actually deliver?
- The audit produces a written report covering every identified performance issue — JavaScript bundle bloat, hydration bottlenecks, slow database queries, CDN and caching gaps, Core Web Vitals failures, and image delivery problems. Each finding is ranked by user impact and effort to fix, with a concrete recommendation so your team or ours can start executing immediately.
- How long does a Next.js performance audit take?
- The Performance Report engagement delivers findings within one week. The Audit + Fix Sprint takes 3 weeks — one week for the audit and two weeks for implementing the top-priority fixes. Timeline can vary slightly based on codebase complexity and the number of routes in scope.
- Will the fixes require rewriting our codebase?
- Rarely. Most performance issues in Next.js applications are targeted, incremental fixes — removing a heavy dependency, adding a priority attribute to an LCP image, refactoring a component from "use client" to a Server Component, or adding an index to a slow database query. We scope recommendations by effort, and the majority of high-impact fixes are 1–4 hour changes.
- What is the difference between Lighthouse score and Core Web Vitals?
- Lighthouse is a synthetic testing tool that runs an audit in a controlled environment and produces a 0–100 score across Performance, Accessibility, Best Practices, and SEO. Core Web Vitals (LCP, CLS, INP) are Google's field metrics collected from real user data via the Chrome User Experience Report. A good Lighthouse score is a strong indicator, but Core Web Vitals from real users are what actually affect Google's search ranking.
- Do you fix the issues you find, or just report them?
- Both options are available. The Performance Report engagement delivers the audit findings only — your team implements the fixes. The Audit + Fix Sprint includes both the audit and implementation of the top-priority findings by our engineers. We recommend the sprint for teams who want measurable improvement without adding the fixes to their own backlog.
- How do you measure success after the engagement?
- We establish baseline Lighthouse scores and Core Web Vitals data before the engagement and measure after implementation. For the Audit + Fix Sprint, we run Lighthouse CI against the improved codebase and provide a before/after comparison report. We also configure Lighthouse CI in your deployment pipeline so regressions are caught automatically going forward.
Ready to hit 100 Lighthouse?Performance is a feature,
Performance is a feature,
not an afterthought.
Let's audit your Next.js application and build a clear roadmap to Lighthouse 100 in production.
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