The Lost Co
The Lost Co

Ship Faster. Render Faster.

Core Web Vitals and UX performance work that compounds: stability, speed, and responsiveness without hacks or regressions.

Performance stuck in the yellow?

Lighthouse spikes, layout shifts, unoptimised images, long JS tasks, and unowned performance budgets keep shipping velocity low and conversions lower.

Sustainable Site Optimisation

We combine quick diagnostic wins with structural improvements: asset strategy, code-splitting, server-first patterns, and real user monitoring that locks in gains.

Performance Packages

From rapid remediation to deep architecture improvement

Quick Wins
High impact essentials
$1,500
Font loading strategy
Image optimisation & next-gen formats
Critical CSS & layout shift fixes
Script deferral & hydration trimming
Caching & CDN headers review
Most Impact
Sprint
Deep structural improvement
$4,000
Deep bundle & flame analysis
Component level code-splitting
Server component opportunities
Runtime vs build time extraction
Field (RUM) instrumentation & alerting
Ongoing
Guardrail & iteration
From $1,500/mo
Monthly RUM review
Budget alerts
Regression audits
Backlog grooming
Team coaching

Ideal if you need to:

Core Web Vitals stuck in yellow

Deploy velocity slowing experiments

Need faster perceived & interactive speed

Ecommerce losing conversions to friction

Planning architecture / server component shift

Need enforceable performance budgets

35% Faster
LCP Improvement

"Our largest contentful paint dropped by 1.2s and CLS issues vanished. Deploys feel safer and the team finally has a clear performance budget."

Sophie Martin
Product Lead, SaaS Platform

Performance FAQ

How fast do we see score changes?

Quick wins land inside 2 weeks; meaningful score stabilisation typically 4-6 weeks once code is live and caches settle.

Do you just chase Lighthouse numbers?

No—field data (CrUX, RUM) and business metrics guide prioritisation. Lab tools are a compass, not the destination.

Will you work with our dev team?

Yes—we provide diffs, PR reviews, and pair sessions so internal capability grows alongside improvements.

Ready to unlock speed?

Book a short call and we'll outline the fastest, lowest-risk set of improvements for your stack.