Your site or app is slow and it's costing you conversions.
Speed optimization audits that find the actual bottleneck, not guesswork.
Service
Performance Optimization
Website speed optimization, database tuning, API optimization, scalability improvements, and performance audits.
Sound Familiar?
The problems we get called in to fix.
If you recognise two or three of these, it's worth a conversation.
Database queries get slower as your data grows.
Database tuning that keeps performance steady as you scale.
You don't know if your system can handle a traffic spike.
Scalability improvements tested against the load you're planning for.
You've thrown more servers at a problem instead of fixing it.
Root-cause performance audits instead of masking the symptom.
Performance was fine at launch but has degraded since.
Ongoing performance monitoring, not a one-time fix.
You don't know which part of the stack is the actual bottleneck.
Profiling that pinpoints exactly where time is being lost.
In Short
What performance optimization involves.
Slow software costs sales and rankings, and adding servers rarely fixes it. We measure first — Core Web Vitals, page weight, slow queries, API response times — find the few causes behind most of the delay, fix them, and measure again so you see the before-and-after numbers.
Trusted by 40+ companies
What's Included
Where this service applies.
Not an upsell list — this is what's actually covered under performance optimization.
Website speed optimization is included in Performance Optimization, scoped in your written quote.
Database tuning is included in Performance Optimization, scoped in your written quote.
API optimization is included in Performance Optimization, scoped in your written quote.
Scalability improvements is included in Performance Optimization, scoped in your written quote.
Performance audits is included in Performance Optimization, scoped in your written quote.
Website speed optimization
Website speed optimization is included in Performance Optimization — scoped to what your project actually needs and listed in the written quote.
Who It's For
Who asks us for performance optimization.
The situations people are usually in when they ask us for this.
01
Failing Core Web Vitals
Websites flagged in Search Console for slow LCP, layout shift or poor responsiveness.
02
Slow online store
Shopify or WooCommerce stores slowed by apps, images and scripts.
03
Sluggish web app
Dashboards and admin panels that slow down as data grows.
04
Peak-time failures
Applications that time out during campaigns, sales or month-end.
Scope Estimator
Rough out your timeline in ten seconds.
Pick what you're building and we'll show an honest range. It's an estimate, not a quote — but it's the same maths we start from.
01 — What are you building?
02 — How big is it?
03 — Anything else? (optional)
How A Performance Optimization Engagement Runs.
Six stages from first call to live delivery — nothing advances until the stage before it is signed off.
01
Discovery
2–3 daysWe work out what actually has to be solved — the constraints, the users, and what can be cut from scope.
02
Scoping
3–5 daysA concrete plan agreed before anything is built, so nothing gets rebuilt later because of a missed assumption.
03
Design & Architecture
1–2 weeksThe technical approach and any interface work, reviewed with you until the direction is signed off.
04
Build
2–8 weeksBuilt in short cycles with visible progress — you see it working early and often, not just at the end.
05
QA & Launch
1–2 weeksTested against real conditions before it goes live, then deployed with a rollback plan in place.
06
Support
OngoingPost-launch fixes, monitoring, and improvements. You keep everything either way.
Quality Bar
The commitments we hold ourselves to on performance optimization.
Not aspirations — the same terms on every engagement, regardless of scope.
100%
Scope agreed in writing
Before any work starts
24h
Typical response time
During an active engagement
Tools We Use
What we use for performance optimization.
Chosen per project, not by habit — the right tool for your scale, your team, and what you'll need to maintain.
LiLighthouse
PaPageSpeed Insights
ChChrome DevTools
React
Next.js
PostgreSQLReRedis
ClCloudflare
Client Voices
What clients say once we ship.
40+Companies trust us
11Industries served
We were able to successfully complete the project by meeting the best partner. They have a very good understanding of development and skills, and are fully committed to the task schedule.
Their communication and problem-solving skills are top-notch. The entire workflow was smooth and professional.
Amazing team! Delivered everything on time with exceptional quality. Totally recommend!
Honestly, we were struggling to keep up with our growth until they stepped in. They didn't just build the tech; they actually understood our users. It's been a total game-changer for our workflow, and the design is just spot on.
What I love most is that they don't just say 'yes' to everything — they tell us what's actually going to work. The whole process felt super collaborative, and they genuinely cared about making the project a success.
Our Principles
Two commitments that govern every project.
No deadline we don't hold ourselves to.
We pad the schedule honestly upfront so we don't have to renegotiate halfway through. If we say a date, we hit it.
DeliveredNo progress you can't see.
We don't go dark for a month and come back with a surprise. You see the work as it happens.
VisibleOur Technology Stack
We use modern, battle-tested tools to build scalable and maintainable solutions.
Frontend & UI
Backend Core
Data & Storage
Cloud & DevOps
Design & UX
Security & QA
99.9%Uptime SLA
2xFaster Delivery
Top 1%Engineering Talent
What You Receive
Everything, at handover.
Here is the exact list of what lands in your accounts when the project closes.
01
Domain access
Your domain is registered in your name, with full access to it — DNS, renewals, and transfers stay in your hands.
02
Admin access
A login to the admin panel, so your team can manage content without touching code.
03
Design files
Any design files used to plan the build, so future work doesn't start from scratch.
04
Handover walkthrough
A live session showing your team how to use everything we built.
Everything above transfers to your accounts when the project closes.
Why Us
What you're actually comparing for performance optimization.
A template, a freelancer, and a big agency all solve part of the problem. Here's where each one tends to leave you exposed.
CodelixTemplate / builderFreelancerLarge agency
Timeline you can hold us toYesYesNoPartial
Built for your exact workflowYesNoMaybeYes
One team, one point of contactYesNoYesNo
Post-launch support & docsYesNoMaybeYes
Transparent, fixed pricingYesYesMaybeNo
Won't vanish mid-projectYesYesNoYes
YOU GET THE DOMAIN.YOU GET THE ADMIN.FIXED SCOPE.FIXED PRICE.
FAQ
Questions we're asked before every engagement.
Don't see yours here? Ask us directly →
They are Google's measures of loading speed (LCP), responsiveness (INP) and visual stability (CLS). They are a ranking signal, and more importantly they affect whether visitors stay.
We can't promise a number before measuring, but most sites have a handful of large, fixable causes — oversized images, render-blocking scripts, slow queries. You get a measured before-and-after report.
No. The work is in how pages load, not in the design. Any change visitors could notice is agreed with you first.
Fixed scope, fixed price — you get a written quote before any work starts, based on what you actually need, not an hourly guess.
Every project includes a post-launch support window for fixes. After that, you can keep us on a monthly retainer for updates, fixes, and support.
What Happens Next
Three steps from here to kickoff.
No drawn-out sales process. Reach out and here's exactly what follows.
01
Discovery call
A no-pressure call to understand what you're building and what's not working. No slide deck, no sales pitch.
02
Written proposal
A clear scope, a fixed price, and a timeline — in writing. You know exactly what you're getting before you commit.
03
Kickoff
We lock the scope and start. You get a point of contact and visible progress from day one.
Explore More
The rest of what we do.
01
Security & MaintenanceSecurity updates, vulnerability fixes, monitoring, backups, maintenance, and ongoing technical support.
→02
Dedicated Development TeamsHire dedicated developers, UI/UX designers, QA engineers, AI engineers, and full-stack development teams.
→03
SaaS Product DevelopmentBuild scalable SaaS platforms, multi-tenant applications, subscription systems, and cloud-based products.
→04
Cloud Solutions & MigrationCloud-native application development, cloud migration, infrastructure modernization, and cloud consulting.
→05
API Development & IntegrationRESTful APIs, GraphQL APIs, third-party integrations, payment gateways, CRM/ERP integrations, and middleware development.
→06
Workflow AutomationBusiness process automation, custom workflows, no-code/low-code automation, and system integrations.
→Start Here
Tell us what you're building.
We'll tell you how we'd build it.
A structured conversation about performance optimization — your users, your goals, your constraints. We scope what should be built first, what can wait, and what it takes to ship it.