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We build AI systems, automations, and web apps that scale your business. 50+ clients. Senior engineers only.

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Performance AuditB2B SaaS

Performance Audit + Engineering Overhaul → Lighthouse 43 → 98 & 71% Faster Load Times

We audited and rebuilt a slow, bloated production web application—eliminating performance bottlenecks, improving Core Web Vitals, strengthening security, and dramatically improving user experience and SEO readiness.

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Project snapshot

ScaleStack SaaS
4 Weeks
Performance Audit, Web Development, Performance Optimization

Metrics shown are based on the project scope and available reporting data.

Measured implementation outcomes

0
Lighthouse Score
0
Load Time
0
JS Bundle Size
0
Organic Traffic

Metrics shown are based on the project scope and available reporting data.

Scope

Services Delivered

Performance AuditWeb DevelopmentPerformance OptimizationSecurity HardeningSEO OptimizationAI Integration

Problem

Where things were breaking

The bottlenecks that limited speed, trust, and conversion before implementation.

Production application suffered from poor Lighthouse scores and weak Core Web Vitals

Large JavaScript bundles caused slow first loads and poor mobile performance

Hydration issues and unnecessary client rendering increased runtime overhead

SEO implementation was incomplete, reducing search visibility

Technical debt created fragile deployment and maintenance risk

Security posture lacked production-grade hardening

API routes had inefficient execution patterns and weak resiliency

Slow UX negatively impacted conversion and user retention

Solution

What we implemented

A structured system designed to capture, qualify, route, and follow up with better-fit opportunities.

Performed full-stack performance audit across frontend, backend, APIs, rendering, and infrastructure
Refactored rendering strategy to maximize server components and reduce client-side overhead
Optimized bundle splitting, dynamic imports, and dependency loading
Improved image delivery, caching, metadata, and performance-critical assets
Implemented technical SEO fixes including schema, sitemap, metadata, and crawlability
Strengthened CSP, API hardening, rate limiting, and production security controls
Optimized database queries and API execution bottlenecks
Implemented monitoring and observability improvements

Timeline

Delivery Timeline

The implementation path from audit to production launch.

Week 1
01

Audit

Full performance, architecture, security, and SEO audit

Week 2
02

Profiling

Identified bundle bloat, rendering bottlenecks, API inefficiencies, and frontend friction

Week 3
03

Architecture Refactor

Reworked rendering strategy, code splitting, hydration behavior, and delivery optimization

Week 4
04

Security Hardening

Applied production-grade security controls and API protections

Week 5
05

SEO Remediation

Fixed technical SEO architecture, metadata, schema, indexing, and crawlability

Week 6
06

Testing

Validated performance improvements, regressions, and production readiness

Week 7
07

Launch

Deployed optimized production release with monitoring

Transformation

Before and After

Before

Lighthouse Score43
Load Time6.8s
Bundle SizeLarge
SecurityWeak
SEO FoundationIncomplete

After

Lighthouse Score98
Load Time1.9s
Bundle Size-64%
SecurityProduction Hardened
SEO FoundationEnterprise Ready

Components

Key components

Full Production Performance Audit
Core Web Vitals Optimization
Next.js Rendering Architecture Refactor
Bundle Size Reduction
Dynamic Import Strategy
Image Optimization
Caching Optimization
Security Hardening
Technical SEO Audit + Remediation
API Performance Optimization
Database Query Optimization
Monitoring + Error Tracking

Impact

What changed

Measured outcomes and operational improvements after deployment.

Lighthouse improved from 43 → 98
Average page load speed reduced by 71%
JavaScript bundle size reduced by 64%
Largest Contentful Paint dramatically improved
Mobile performance improved significantly
Organic search traffic increased by 38%
Production security posture substantially strengthened
Engineering team gained cleaner, more maintainable architecture

Stack

Technology Stack

Next.jsTypeScriptReactTailwind CSSVercelSupabasePostgreSQLOpenAIGoogle LighthouseGoogle Search ConsoleMicrosoft ClarityGA4

What This Means in Practice

The strongest systems reduce response gaps, clarify buyer intent, and give the team a cleaner path from inquiry to qualified conversation.

Estimate your ROI →

"The audit uncovered issues our team had overlooked for months. The improvements were immediate and measurable—not just in performance, but in architecture quality, security confidence, and overall product stability."

Adrian Walker - CTO, ScaleStack SaaS

Related

Related transformations

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01
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Slow applications silently kill revenue.

We perform deep engineering audits that fix performance, architecture, security, and technical SEO—not superficial reports.

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