Page Speed Calculator
What's a faster site actually worth?
Industry heuristic: every 100ms of latency shaved off typically improves conversion rate by ~1%.
Your current numbers
£250,000
4.0s
−1.5s
Projected load time: 2.5s
Estimated CR uplift: +15.0%
Projected additional monthly revenue
£37,500
£450,000 additional revenue over 12 months · +15.0% growth
Current latency
£250,000
Target latency
£287,500
Current vs target latency
Indicative model based on the widely cited ~1% conversion uplift per 100ms of latency reduction. Real-world impact varies by device mix, baseline speed, page type and traffic composition.