A flawed approach to page speed measurement is sabotaging ecommerce sites. There, I said it. Now I know this might be an exaggeration, but it really is time for a change. A historical focus on network-based metrics — bytes downloaded per page or assets per page, for example — and an excessive emphasis placed on first-page load times have meant the rest of the customer journey on the web has suffered. Developers and product managers have been relying on tools like Google’s Lighthouse to measure page load speed, and once the search giant began considering mobile page speeds in its…
