Performance & Core Web Vitals Audit
Aggressive speed optimization, asset compression, and database query tuning
Overview
Page speed directly impacts conversion rates, search rankings, and user satisfaction. Opticlon performs deep forensic speed audits and code-level remediation to help your website score 90+ on Google PageSpeed Insights, optimize LCP times, and eliminate layout shifts.
Technical Capabilities
Core Web Vitals Remediation
Fixing Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS).
JavaScript Bundle Optimization
Code splitting, dynamic imports, and removing unused npm library overhead.
Database Query Tuning & Indexing
Diagnosing slow SQL queries and creating optimal database indexes.
Edge Caching & CDN Configuration
Setting up Cloudflare/Vercel edge rules for instant cached responses.
Image & Asset Pipeline Automation
Automatic AVIF/WebP image generation with lazy loading and responsive srcsets.
Performance Regression Guards
Setting up automated Lighthouse CI checks in your GitHub pull requests.
Problems We Solve
Failing Core Web Vitals (LCP, INP, CLS)
Optimized image loading, eliminated render-blocking scripts, and stabilized layout shifts.
Excessive JavaScript Bundle Sizes
Implemented dynamic imports, tree-shaking, and lightweight replacement packages.
Slow Database Queries Degrading Server Response
Indexed PostgreSQL tables, added Redis caching layer, and optimized ORM queries.
Uncompressed Images & Media
Configured automated Next.js / Cloudflare image conversion to Next-Gen WebP/AVIF formats.
Our Process
Forensic Performance Audit
Running Lighthouse, WebPageTest, and Chrome UX Report diagnostics to isolate bottlenecks.
Bundle & Code Inspection
Analyzing Webpack/Vite bundle maps to locate heavy scripts and unused CSS.
Code Remediation & Refactoring
Implementing code splitting, image optimization, script deferral, and query indexing.
Edge & CDN Optimization
Configuring cache headers, compression (Brotli), and edge network rules.
Benchmarking & Verification
Validating 90+ scores across desktop and mobile with detailed before/after reporting.
Pricing
Comprehensive performance analysis with actionable developer remediation guide.
- Full PageSpeed Diagnostic
- Bundle Map Analysis
- DB Query Audit
- Actionable Fix Roadmap
Hands-on engineering fixes guaranteeing 90+ Lighthouse scores.
- Code-Level Fix Execution
- Bundle Size Reduction
- Core Web Vitals Guarantee
- 30-Day Speed Monitoring
Full full-stack performance tuning including database, API, CDN, and Lighthouse CI.
- Database Query Tuning
- Edge CDN Rules Setup
- Lighthouse CI Guardrails
- Quarterly Speed Maintenance
Frequently Asked Questions
Do you guarantee a 90+ PageSpeed score?
Yes, our Turnkey Optimization package includes a performance guarantee for standard desktop and mobile pages.
Will performance optimization break existing site features?
No, all changes are made on staging environments and rigorously tested via automated E2E tests before production deployment.
How quickly will we see results?
Performance improvements take effect immediately upon deployment to your CDN and edge network.
Related Services
Enterprise Custom Web Development
Bespoke Full-Stack Web Architectures Engineered for Extreme Speed, Zero-Trust Security, and Unrivaled Enterprise Scale
Shopify Development & Headless Commerce
Custom Shopify Storefronts, Headless Hydrogen Builds & High-Converting Theme Engineering
24/7 Website Maintenance & SLA Support
Proactive uptime monitoring, security patching, and dedicated engineering support
Technology Stack
- Lighthouse CI
- WebPageTest
- Next.js
- Cloudflare Workers
- Redis
- Brotli
- Chrome DevTools
Ready to get started?
Book a free technical scoping session with our senior engineering team.
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