A fashion retailer lifts mobile PageSpeed from 23 to 81.
Website speed optimisation · India
Website speed optimisation measured on the phone your traffic uses
Webzenia fixes the Core Web Vitals that lose you visitors on a mid-range Android over 4G. Real load gains, not a lab score.
Get a free speed audit- Under 2.5s
- LCP on mid-range Android 4G
- 95+
- Mobile Lighthouse performance
- 58%
- Cut in page load time
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Portfolio · selected work
The work, not the deck.
Every site below is live and owned by the client. Each window is a capture of the real page, not a drawn mockup.
Categories we work across
HospitalityFinancial servicesManufacturing and exportConsulting and researchRecruitmentD2C
What website speed optimization actually is
Speed is won on a real phone
Website speed optimisation is the engineering that makes a site load fast on a mid-range phone over 4G. Two seconds on office wifi can be eight there, and that gap loses the sale.
Measured on the real device
Tuned and tested on a mid-range Android over a throttled network, not a designer's fast laptop, because that is where the speed problem lives.
Core Web Vitals, passed
LCP, INP and CLS brought into the green, the exact metrics Google measures to rank you and the ones a visitor feels.
Faster means more
A faster site ranks higher, bounces less, and converts more, so speed is not a vanity score, it is traffic and sales.
Why a caching plugin isn't speed optimization
Speed engineered into the page, or a plugin bolted on top
Installing a caching plugin and watching the score barely move is the usual story. Real speed comes from fixing what makes the page heavy, not hiding it behind a cache.
| Caching pluginBolted on, hopeful | Engineered speedFixed at the source | |
|---|---|---|
| The approach | A cache layer over the same heavy page. | The heavy images, scripts and code, fixed. |
| Measured on | Whatever device gives the nicest number. | A mid-range phone on a throttled network. |
| Core Web Vitals | A score that moves a little, then stalls. | LCP, INP and CLS brought into the green. |
| When content grows | Slows again as plugins and media pile up. | Stays fast, because the build is lean. |
| The result | A passing screenshot, a slow real visit. | A genuinely fast site, ranking and converting. |
Is your site fast, or just cached?
If your speed score looks fine but the site still feels slow on a phone, a plugin is hiding the problem, not fixing it. We fix what makes the page heavy, so it is fast for the visitor, not just in the test.
The India context
Built for the phone and the network India is actually on
Speed in India is not measured on fibre and a flagship phone. It is a mid-range Android, a patchy 4G connection, and a visitor who leaves if it stalls.
- 01of 04
Most Indian visitors are on a budget phone and a slow connection.
We profile and tune the site on exactly that: a mid-range Android over throttled 4G. A page that is fast there is fast for almost everyone, and that is the only test that reflects your real traffic.
Our methodProfiled on a mid-range Android over 4G. - 02of 04
India is mobile-first indexed, and Core Web Vitals are a ranking factor.
We bring LCP, INP and CLS into the green, so the site ranks on the speed Google measures on mobile, not the desktop score that flatters it. Faster pages climb past slower competitors with similar content.
Our methodCore Web Vitals in the green, on mobile. - 03of 04
A slow site bounces visitors and abandons carts before they convert.
Most visitors leave a page that takes more than three seconds. We cut the load time so the visitor you paid to bring stays long enough to buy, turning speed directly into lower bounce and more conversions.
Our methodLower bounce and more conversions, from speed. - 04of 04
A heavy page costs the visitor data and patience they would rather not spend.
We cut the page weight, the oversized images, the unused scripts, the bloat, so the site loads on less data and less patience. A lighter page respects the visitor's connection and their bill.
Our methodLighter pages, less data, faster loads.
What the work includes
The speed optimization scope, top to bottom
Not a plugin. The full pass: images, code, hosting, and the metrics that prove it.
Core Web Vitals audit
A full audit of LCP, INP and CLS on mobile, finding exactly what makes the page slow and what to fix first
Output
a ranked speed plan
LCP/INP/CLSMobile
Image & media optimization
Oversized images compressed, served as modern formats, and lazy-loaded, the single biggest cause of a slow page
Output
lighter pages
WebP/AVIFLazy load
Code & script cleanup
Render-blocking scripts deferred, unused CSS and JS removed, and the critical path streamlined
Output
a faster first paint
JS/CSSCritical path
Caching & delivery
Proper caching, a CDN, and compression configured so assets load fast from close to the visitor
Output
a fast delivery layer
CDNCache
Hosting & server
Server response time, database queries and the stack tuned, because a slow server caps how fast the page can ever be
Output
a faster origin
TTFBServer
Measurement & report
Before-and-after scores on real mobile, with the field data, so the speed gain is proven, not claimed
Output
measured results
Field dataBefore/after
Our stack
Tools we use to hit Core Web Vitals
The kit behind pages that pass Core Web Vitals on a mid-range Android over 4G.
Lighthouse
Why Lighthouse
Lighthouse is Google’s open audit for performance, accessibility, and SEO, the same engine behind PageSpeed Insights and a Core Web Vitals scorecard.
How we excel
We profile every page in Lighthouse and hold a score budget in CI, so a regression in LCP or CLS fails the build instead of shipping to users.
Perf auditCI gateCWV
LighthouseYes
PageSpeedNo
GTmetrixPaid
DevToolsManual
How the work runs
From slow to fast on a phone, measured
A speed pass with a clear before and after, not a vague tune-up.
Profile and find the weight
We profile the site on a mid-range Android over throttled 4G, measure the Core Web Vitals, and pinpoint exactly what makes each page slow, ranked by impact.
- Profileddone
- CWVmeasured
- Causesfound
- Planranked
Fix the page, not the score
We optimize the images, code, caching, delivery and server, fixing what makes the page heavy, and re-test on real devices after each change.
- Mediafixed
- Codecleaned
- Cacheset
- Servertuned
Measure the before and after
We measure the Core Web Vitals and load time again on the same real device, and hand over a clear before-and-after, so the speed gain is proven.
- Re-measureddone
- CWVgreen
- Loadcut
- Reportgiven
Reported against mobile Core Web Vitals and load time, on a real device, not a desktop score.
Reported on mobile speed
LCPINPLoad time
A home decor brand triples revenue after a Webzenia rebuild.
Our commitment
Our commitment, in writing
Speed is easy to fake with a good desktop score and a slow real page. We measure on the device your visitors use, and report the truth.
Measured on mobile
Every result is measured on a mid-range Android over 4G, the device your visitors use, not a desktop score that flatters.
A clear before and after
You get the load time and Core Web Vitals before and after, so the gain is a number, not a promise.
Fixed, not hidden
We fix what makes the page heavy, so it is fast for the visitor, not just cached for the test.
A named lead
One person owns the speed work and the numbers, not a rotating queue that never re-tests on a real phone.
If it isn't faster on a real phone, the work isn't done.
FAQ · 07 questions
Website speed, answered.
Still weighing it up?
The first audit is free and produces a written, scoped estimate. No retainer pitch on the call.
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Accepting new clients · 2026
Ready to fix what is slowing your site down?
Send us your URL and we will run it on a mid-range Android over 4G, then show you exactly where the load time goes before you commit.
What happens next
- 1Send your URLShare the page and your slowest device
- 2We measure itReal Core Web Vitals on 4G
- 3We reply on WhatsAppWhere the time goes, plus fixes
Get your site speed report.