Website speed · Core Web Vitals
Website speed optimization for slow sites and poor Core Web Vitals
What Google measures and why it matters to you
Google assesses the user experience of a page with three measurements it calls Core Web Vitals. LCP (Largest Contentful Paint) shows how quickly the main content appears, usually the large image or the headline. INP (Interaction to Next Paint) shows how quickly the page responds when you tap a button or open a menu. CLS (Cumulative Layout Shift) measures how much the page jumps around while loading, for example when text moves because an image loaded above it.
The usual causes of a slow website are few and they repeat: heavy images that have not been compressed or are not in a modern format, too many plugins each loading their own files, cheap shared hosting that is slow to respond, and scripts that block the page from rendering, such as chat widgets, ad pixels and fonts that load first.
Our audit starts from real-user data where it exists, and from mobile measurements. We record what weighs down each key page and give you a written list of findings, ordered by impact, along with a fixed price for the fixes. Once we agree, we make the changes and measure again.
We do not promise a specific score or Google position, because both depend on factors outside the website as well. We do promise to find the real causes and show you, before and after, what changed.
What's included
- Core Web Vitals measurement (LCP, INP, CLS) on key pages
- Written list of findings ordered by impact
- Image compression and conversion to modern formats
- Fewer plugins and render-blocking scripts
- Caching setup and hosting review
- Re-measurement after the fixes, with a before-and-after comparison
Where speed is usually lost
Heavy images
Photos at full resolution or in old formats. We compress them, convert them to WebP or AVIF and serve them at the right size.
Too many plugins
Every plugin loads its own files. We identify which ones weigh the site down and which can be removed or replaced.
Slow hosting
If the server is slow to respond, nothing else helps enough. We check response times and, if needed, suggest moving to our own managed servers.
Render-blocking scripts
Chat widgets, pixels, maps and fonts that load before the content. We defer them or load them only when needed.
Layout shifts
Images without dimensions and banners that appear suddenly cause poor CLS. We fix them so the page stays stable.
Before and after
Every fix comes with a new measurement, so you can see what changed instead of relying on promises.
How we work
From first call to live, in five steps
The same process whether it is a five-page website or a platform your whole company runs on. What changes is the depth of each step, not the order.
FAQ
Website speed: common questions
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