Website Optimisation

How Website Speed Directly Impacts Your Ecommerce Revenue

Sarah Martinez5 March 20255 min read

The Speed-Revenue Connection

Research consistently shows that faster sites convert better. A 1-second improvement in load time can increase conversions by up to 7%.

Core Web Vitals Explained

LCP (Largest Contentful Paint): Should be under 2.5 seconds
FID (First Input Delay): Should be under 100 milliseconds
CLS (Cumulative Layout Shift): Should be under 0.1

Common Speed Killers

Unoptimised images
Too many third-party scripts
Render-blocking CSS and JavaScript
No browser caching
Oversized hero videos

Quick Speed Wins

Convert images to WebP/AVIF formats
Lazy load below-fold images
Defer non-critical JavaScript
Enable GZIP compression
Use a CDN

Want a detailed speed audit? Book a free website review.

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Ewen LingLinkedIn

Founder, Elinix AI

Ewen Ling is the founder of Elinix AI and Referwo. She has around 16 years of ecommerce experience. She co-founded Elinz Electronics in 2005 and oversaw its sale in 2021. Today she helps Australian ecommerce brands grow with better websites, email marketing and AI search.