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ReadTechnical SEO: How to Speed Up Your Site
On one of the online stores we optimized, conversions rose 18% after we cut LCP from 4.1s to 1.6s. Speed is not just a technical metric — it is a direct revenue factor. In this article we share the practical steps our team uses.
Key takeaways
- LCP, CLS and INP are explicit ranking signals.
- Images are often more than half of page weight — WebP is critical.
- The first step is an audit, the last is monitoring.
1. What are Core Web Vitals?
Google measures three core metrics: LCP (loading), CLS (visual stability) and INP (interactivity). The first step to measure them and find issues is to run an SEO audit.
2. Images and WebP
Images usually make up most of the page weight. Optimizing them is the fastest win.
Practical steps
- Convert all images to WebP (30–40% savings on average).
- Set correct dimensions and add
width/heightattributes (reduces CLS). - Apply
loading="lazy"to off-screen images.
3. Cache, code and server
- Enable browser and server cache.
- Remove and minify unused CSS/JS.
- Use a CDN to bring static files closer to users.
Conclusion
Speed alone is not enough, but nothing works fully without it. To review your site, reach out for technical SEO or our full SEO service.
Frequently asked questions
What is a good LCP?
Under 2.5 seconds is considered "good".
Does WebP work in all browsers?
Yes, nearly all modern browsers support WebP.
How can I measure speed?
PageSpeed Insights and the Core Web Vitals report in Search Console are free tools.
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