Case Study

This article will help you understand how Core Web Vitals correlate with key business metrics by exploring examples of companies which have already see positive impact for their users and business.

The new PWA also has an average loading time 30% faster than the old site and has improved bounce rate 12% and session depth 18%.

The web team at Zalando found that integrating Lighthouse CI enabled a proactive approach to performance, with automated status checks able to compare the current commit to the main branch to prevent performance regressions.

By building an automated performance testing and monitoring system, the Lowe's Site Speed Team test pull requests against performance budgets, and prevent performance regressions going into production.

By running an A/B test specifically focused on optimizing Web Vitals, Vodafone found that a 31% improvement in LCP led to 8% more sales, a 15% improvement in their lead to visit rate, and a 11% improvement in their cart to visit rate.

Optimizing CLS by 0.2 led to a 15% increase in page views per session, 13% longer session durations, and a 1.72 percentage point decrease in bounce rate.

A case study of some major changes introduced at Wix to improve website loading performance for millions of sites, clearing the path for them to receive good PageSpeed Insights and Core Web Vitals scores.

By using real user monitoring tools and focusing on improving Core Web Vitals in refactoring their app, they also improved CLS by 72%, as well as application responsiveness.

Learn why the Excalidraw project decided to deprecate their Electron wrapper in favor of the web version.

How PWAs, WebAssembly, and Chrome OS are helping a web-based video editor deliver better performance and a more engaging experience to 12M users.

PWA users are also 24% more active than all other install types, become repeats users 31% more than all other platforms, and more.

How JD.ID increased its overall mobile conversion rate (mCVR) by 53%, mCVR for installed users by 200%, and daily active users by 26%.

Making their web app installable resulted in increased traffic, visitor retention, sales per customer, and conversions.

NDTV enhanced user experience and thus retention by optimizing for Web Vitals.

Creating a web performance dashboard and optimizing JavaScript, resources, and the homepage to achieve business success.

Learn how ZDF created a progressive web app (PWA) with modern features like offline support, installability, and dark mode.

Bridging the gap between web and iOS/Android experiences to delight users.

Optimizing interactivity of product details pages for a 90% reduction in Max Potential FID in Lighthouse and a 9% improvement in FID in Chrome User Experience Report.

Modifying the assets that you serve to users based on their device and network conditions.

Achieving a SPA-like architecture in multi-page apps by combining partials, service workers, and streams.

Complementing traditional prefetching techniques with service workers.

Using a service worker to save a search query when a user goes offline and then automatically retry the query once a connection is re-established.

A 0.1 second improvement in 4 speed metrics can improve progression rates across the full purchase funnel.