Website Performance Optimization by Alpha Expansion
Website Performance01Core Web Vitals02Root cause diagnosis03Measured resultsBook a call

Website Performance Optimization

Slow pages, made fast,and proven with numbers

We make slow websites fast by measuring how real visitors experience them, finding the specific causes and fixing them in order of impact, then proving the change with the same measurements.

Core Web VitalsRoot cause diagnosisMeasured results

What we build

01Core Web Vitals

02Root cause diagnosis

03Measured results

01Our Approach

Performance work without a baseline is guesswork, so we measure first, change one thing at a time and measure again the same way.

02Overview

Finding and fixing what slows your site

  • 01Core Web Vitals
  • 02Root cause diagnosis
  • 03Measured results

Website performance optimization shortens the time a page takes to appear, respond and settle. We collect field data from real visitors and lab data from controlled tests, trace slow pages to their causes in images, scripts, fonts, server response or third-party tags, and fix them in the code and the hosting setup.

It suits sites that fail Core Web Vitals, lose visitors on phones or have slowed as features and tags were added. Some problems are quick to fix and others sit deep in the platform. We tell you which is which before work starts, including the cases where a rebuild would cost less than repairing what is there.

Talk to us about your project
03What We Do

Capabilities, End to End

01
Baseline measurement

We record field data from real visitors and repeatable lab tests for your key pages on phone and desktop, which becomes the reference for every later comparison.

02
Cause diagnosis

Each slow metric is traced to what produces it, whether a large image, a blocking script, a late font, a slow server or a tag from a third party.

03
Image and font delivery

Images are resized, compressed and served in modern formats at the size each screen needs, and fonts are loaded so text appears without shifting.

04
Script reduction

Unused code is removed, large bundles are split and work is moved off the main thread, so pages respond quickly when a visitor taps or types.

05
Third-party tag control

Analytics, chat, advertising and consent tools are audited, loaded later or removed, with the cost of each one shown to the team that asked for it.

06
Server and caching

Server response, database queries, caching rules and content delivery are tuned so pages reach visitors quickly wherever they are and stay fast under load.

04In Production

What It Looks Like When It Ships

app.atlas.io/overview
Live
Atlas
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MC
WORKSPACE
Overview
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Integrations
API
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Usage
72% of plan
Overview
Updated 2m ago
7d30d90d
Export
MRR
$48,210
+9.8%
Active users
8,492
+6.1%
Churn
1.9%
-0.3%
NPS
62
+4
MRR over time
This periodPrevious
$48,210JanFebMarAprMayJunJul
Breakdown
52%
Growth
52%
Enterprise
33%
Starter
15%
Activity
Globex upgraded to Enterprise
9m ago
API key rotated - prod
40m ago
Customer
Detail
Amount
Status
AI
Acme Inc.
Growth plan - 24 seats
$499/mo
Active
N
Northwind
Starter plan - 5 seats
$99/mo
Trial
G
Globex
Enterprise - 140 seats
$2,400/mo
Active
I
Initech
Growth plan - 12 seats
$499/mo
Past due
Core Web Vitals
Root cause diagnosis
Measured results
Field data viewCause listBefore and afterBudget alerts
05What You Receive

Handed Over, Ready to Run

SCROLL
01
Baseline performance report
02
Diagnosis with ranked causes
03
Implemented fixes in code
04
Image and font pipeline
05
Third-party tag review
06
Caching and delivery setup
07
Before and after comparison
08
Performance budget and monitoring
06How It Runs

From Kickoff to Launch

01
Measure
02
Diagnose and rank
03
Fix and verify
04
Compare and guard
01
Measure

We set up field measurement where it is missing, run lab tests on agreed pages and devices, and record the starting figures in a report that both sides can return to.

02
Diagnose and rank

Every problem is traced to its cause and ranked by the improvement it should bring against the effort to fix it, so the first changes are the ones that matter most.

03
Fix and verify

Changes are made in small releases, each one measured on its own in the lab before it ships, so a fix that helps one metric and harms another is caught early.

04
Compare and guard

Once field data has had time to reflect the changes, we compare it with the baseline, then add budgets and alerts so that new features cannot quietly undo the gains.

07Technology

The Stack We Use

MeasurementLighthouseWebPageTestChrome UX ReportSpeedCurveDeliveryCloudflareVercelFastlyAWS CloudFrontMeasurementLighthouseWebPageTestChrome UX ReportSpeedCurveDeliveryCloudflareVercelFastlyAWS CloudFront
FrontendNext.jsReactVitePartytownMonitoringweb-vitals librarySentryDatadog RUMGrafanaFrontendNext.jsReactVitePartytownMonitoringweb-vitals librarySentryDatadog RUMGrafana
08Who It Is For

Built for Teams Like Yours

FLAGSHIP
Your pages are slow and nobody knows why

Visitors leave before the page appears, search reports flag poor Core Web Vitals, and each team blames a different cause. Earlier attempts brought no lasting change. You want the real reasons found, fixed in a sensible order and proven with figures that everyone accepts.

Stores with slow product pages
Sites failing Core Web Vitals
Pages heavy with tags
Content sites with many images
Web apps slow to respond
Sites slow in distant regions
09Questions

What buyers ask before they start

If yours is not here, ask us directly. The first conversation is free and useful whether or not we work together.

Book a call

That depends on what is slowing it today, which is why measurement comes first. Once the causes are known we can estimate the gain from each fix and tell you where the limits of the current platform lie. We do not quote a target before diagnosis, since any figure offered without looking at the site would be a guess presented as a promise.

They are three measurements Google uses to describe how a page feels to a visitor, covering how quickly the main content appears, how soon the page responds to input and how much the layout moves while loading. They are one factor among many in search ranking. Their larger value is practical, since slow and unstable pages lose visitors whatever a search engine thinks.

In most cases, yes. Images, fonts, unused scripts, third-party tags, caching and server response can usually be improved inside the existing platform. A rebuild becomes the sensible option when the slowness comes from the platform itself or from a theme that cannot be untangled. We state that clearly after diagnosis and show the cost of each route.

A lab test loads one page on one simulated device and connection. Field data comes from everyone who visits, on every kind of phone and network, and is gathered over a rolling period. Both are useful. Lab tests show the effect of a fix within minutes, while field data shows what visitors really experience. We report both and explain any gap between them.

With a performance budget and monitoring. Limits are set for page weight and key metrics, and automated checks compare each release against them. Field measurement continues in the background and raises an alert when a page slips. We also give the team a short guide on adding images, tags and features without undoing the work, since most regressions arrive one small addition at a time.

10Related services

Often built together

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Every engagement starts with a scoping conversation. It is free, structured, and useful whether or not we work together.

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Premium digital product and engineering studio. We build high-performance web platforms, SaaS applications, mobile apps, and 3D experiences for high-growth companies.

Alpha Expansion is a premium digital product and engineering studio specializing in React development, Next.js development, full-stack development, mobile app development, UI/UX design, and 3D interactive experiences.

We serve industries including SaaS, FinTech, Healthcare, E-commerce, Logistics, and Real Estate.