Google is constantly updating its algorithm to improve user experience, and one of the most important factors in 2025 is Core Web Vitals. These metrics measure how fast, stable, and responsive your website feels to real users — and they directly affect your search rankings.
What Are Core Web Vitals?
Core Web Vitals are a set of three key metrics Google uses to evaluate page experience:
- Largest Contentful Paint (LCP): Measures loading speed (should be under 2.5s).
- First Input Delay (FID): Measures interactivity — how quickly the site responds to user actions.
- Cumulative Layout Shift (CLS): Measures visual stability — how much the layout shifts while loading.
Note: From 2025, Google is transitioning FID into Interaction to Next Paint (INP) for more accurate responsiveness tracking.
Why Do They Matter for SEO?
- Ranking Factor: Google officially includes Core Web Vitals in its ranking algorithm. Faster, more stable websites have a competitive edge.
- User Experience: Websites that load quickly and smoothly reduce bounce rates and improve conversions.
- Mobile-First Importance: Since most traffic comes from mobile, optimising Core Web Vitals ensures mobile users get the best experience.
- Competitive Advantage: If your site meets Google’s benchmarks and your competitor’s doesn’t, you’re more likely to rank higher.
How to Improve Core Web Vitals
- Improve LCP: Optimise images, use faster hosting/CDNs, and reduce render-blocking scripts.
- Fix FID/INP: Minimise heavy JavaScript, prioritise critical resources, and use modern frameworks (like Next.js).
- Reduce CLS: Set fixed dimensions for images and ads, and avoid sudden layout shifts.
- Monitor Regularly: Use tools like Google PageSpeed Insights, Lighthouse, and Search Console.
The Business Impact
Even small improvements can make a big difference. A 1-second faster load can improve conversions by up to 20%. In Melbourne’s competitive market, this could mean the difference between gaining a new customer or losing one.
Final Thoughts
Core Web Vitals are more than just technical metrics — they reflect real customer experience. Optimising them helps your business achieve higher rankings, better user satisfaction, and stronger results online.
At Mizara Studio, we build and optimise websites that meet Google’s Core Web Vitals standards, ensuring your business stays ahead in 2025.