01
Visitors leave before it loads
Every extra second on mobile gives people a reason to hit back. Paid traffic is the most expensive kind to lose this way.
01 · Web Development06 of 06
We find what's slowing your site down and fix it, until Core Web Vitals turn green.
Slow pages lose visitors before they've read a word, and Google uses Core Web Vitals when it ranks pages. We measure your site with real-user data, find the causes, fix them in order of impact and prove the difference.
- Largest Contentful Paint target (Google's 'good')
- < 2.5s
- Largest Contentful Paint target (Google's 'good')
- Interaction to Next Paint target
- < 200ms
- Interaction to Next Paint target
- Cumulative Layout Shift target
- < 0.1
- Cumulative Layout Shift target
0
Performance
LCP1.2s
INP90ms
CLS0.02
Core Web Vitals · passed
Core Web VitalsLargest Contentful PaintInteraction to Next PaintLayout shiftImage optimisationScript loadingCaching and CDNHosting reviewCore Web VitalsLargest Contentful PaintInteraction to Next PaintLayout shiftImage optimisationScript loadingCaching and CDNHosting review
Sound familiar?
The problems we hear most often before someone asks us about website speed optimisation.
02
Search Console shows red
Core Web Vitals marked 'poor' or 'needs improvement' across your pages, and nobody's sure what to fix first.
03
Plugins and scripts pile up
Chat widgets, trackers, sliders and fonts all load before the content people came for.
What's included
01
Performance audit
Lab tests and real-user field data across your key templates, with every issue ranked by impact.
02
Image and media fixes
Modern formats, correct sizes, lazy loading below the fold and a hero image that loads first.
03
Script diet
Third-party scripts deferred, delayed or removed, and your own code split so pages only load what they use.
04
Layout stability
Space reserved for images, ads and embeds, and fonts loaded without the jump.
05
Caching and CDN
Page and asset caching configured, a CDN in front, and hosting upgraded if it's the bottleneck.
06
Before-and-after proof
A report comparing scores and real-user data before and after, so you can see what changed.
How we do it
You follow every step live in Mission Control, your project dashboard: tasks, files, approvals and a launch forecast.
- 1
Measure
We record a baseline from PageSpeed Insights, Search Console and real-user data on your most important pages.
- 2
Diagnose
We trace each slow metric to its cause: the image, script, font or server response behind it.
- 3
Fix
Changes go in on staging, biggest wins first, tested so nothing breaks on the way.
- 4
Prove
We compare against the baseline and keep watching field data until Google catches up.
< 2.5s
Largest Contentful Paint target (Google's 'good')
< 200ms
Interaction to Next Paint target
< 0.1
Cumulative Layout Shift target
Built for
Who this is for.
Sites with poor Core Web Vitals in Search Console
Stores where speed affects conversion
Sites built on heavy themes or page builders
Businesses spending on ads that land on slow pages
Tools we useNext.jsReactWordPressLaravelNode.jsTailwind CSSVercelCloudflare
Helpful extras
Try it yourself, or see what's built in.
Questions
Website speed optimisation, answered.
Something else on your mind? Ask the Zelvorm Concierge in the corner, or talk to the team.
Yes, Core Web Vitals are part of Google's page experience signals. Speed rarely outweighs relevance, but between similar pages it can make the difference, and it has a direct effect on conversions.
More in Web Development
The rest of the toolkit.
- 01Custom business websitesDesigned around your customers, engineered for speed, built to bring in enquiries.
- 02Landing page designOne audience, one offer, one action. Built to make your ad spend work harder.
- 03E-commerce storesProduct pages people trust, a checkout that doesn't leak, and SEO that brings shoppers back.
- 04WordPress developmentCustom themes and blocks your team will love, without the plugin pile that slows most WordPress sites down.
- 05Website maintenance & supportUpdates, security, backups and a developer on call, so launch day isn't the best the site ever looks.
From the Journal
Read before you decide.
Digital MarketingImage SEO: How to Optimise Images for Speed and Rankings
Images are often the heaviest part of a page. How to optimise them for speed, accessibility and search: formats, compression, sizing, alt text, file names, lazy loading and more.
6 Nov 2026 · 4 min read
Web DevelopmentCore Web Vitals in 2026: What Actually Moves Your Google Ranking
Core Web Vitals still matter in 2026, but not the way most guides claim. Here's what Google actually measures and what's worth fixing first.
27 Feb 2026 · 5 min read
Web Development12 Signs Your Website Needs a Redesign (Not Just a Refresh)
A slow site or dated look isn't always a redesign trigger. Here are 12 concrete signals — from bounce rate to mobile conversion — that mean it's time.
19 Feb 2026 · 6 min read
Next in Web Development
Custom business websites
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