Website speed directly impacts conversion rates, SEO rankings, and ad performance. It is one of the most important technical factors in digital marketing.
Speed Impact on Conversions
- 1-second delay reduces conversions by 7%
- 53% of mobile visitors leave if page takes over 3 seconds
- Amazon found every 100ms delay cost 1% in sales
Speed and Advertising
View Ad Platform Impacts
Google Ads: Landing page experience affects Quality Score and ad rank
Meta Ads: Slow pages increase cost per result
All Platforms: Users who bounce before page loads waste ad spend
Speed and SEO
Core Web Vitals (Google's speed metrics) are a confirmed ranking factor. Slow sites rank lower in search results.
How to Measure
- Google PageSpeed Insights
- GTmetrix
- Lighthouse in Chrome DevTools
- Core Web Vitals in Search Console
Common Speed Issues
- Unoptimised images
- Too many plugins
- Poor hosting
- Render-blocking resources
- No caching