Skip to main content
Back to Blog
Technical Brief

The Financial ROI of a Faster Website.

We look at the hard data from Google, Deloitte, and others to build a clear business case for investing in performance optimization for your store.

Beyond Intuition: The Business Case for Speed

'A faster website is better.' Everyone knows this intuitively. But to justify investing time and resources, you need hard numbers. Performance optimization is not a cost center; it is one of the highest-return investments an e-commerce store can make.

The Foundational Data: Milliseconds Make Millions

Decades of research have consistently shown a direct, causal link between site speed and revenue. A 2020 study by Deloitte found that a 0.1-second improvement in load speed led to an 8.4% increase in conversions. A Google study found that as page load time goes from 1 to 5 seconds, the probability of a user bouncing increases by 90%. Meanwhile, research from Portent shows that conversion rates drop by an average of 4.42% with each additional second of load time.

The Hidden ROI: Efficiency and Trust

The financial benefits don't stop at direct conversions. A better user experience is rewarded with lower ad costs from platforms like Google Ads, as 'Landing Page Experience' is a key factor in your Quality Score. A seamless experience also builds trust, encouraging repeat purchases and increasing the lifetime value of each customer you acquire. Investing in performance is investing in a healthier, more profitable business.