Technology
The importance of mobile speed: Core Web Vitals explained
C
Codealtix TeamPublished on
30-Second Summary
Over 70% of traffic is mobile. If your web doesn't fly on 4G, you're losing customers.
Did you know that Google now uses the Mobile-First Indexing system? This means Google ignores your beautiful desktop version to decide your ranking. It only cares how your web looks and loads on an old phone with 4G connection.
The "Heavy Site" Problem
Web designers working on Macs with Fiber Optic create beautiful sites that weigh 10MB. When a customer on the street tries to open it, it takes 15 seconds. Result: Closes the tab and goes to the competition.
How we optimize this at Codealtix
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Next-Gen Images: We automatically convert all images to WebP or AVIF format, reducing their weight by 80% without losing quality.
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Lazy Loading: We only load images that are on screen. The ones below don't load until the user scrolls.
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Minification: We eliminate spaces and comments from code so that CSS and JS files are tiny.
Crucial Fact: A 1-second delay on mobile reduces conversions by 20%. Speed is not a luxury, it is base profitability.