How does site speed relate to sales? Find out in this Shopify data deep dive.

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The UX Speed Museum is a place to experience the visceral impact of performance bottlenecks. Here, we don't just measure metrics; we feel them. Explore our exhibits to understand why speed matters.

How does site speed relate to sales? Find out in this Shopify data deep dive.

Enter the URL for your website's homepage and we'll run speed tests.

Headless sounds like a route to freedom, but too often it just swaps one set of constraints for another, heavier one.

React is a popular tool for developing modern websites, but speed and interactivity are not always automatic. In this article, we present key techniques for optimizing Core Web Vitals – from…

How to combine deterministic scripts and AI agents to go from metrics collection to an actionable report, and lay the foundations for continuous regression testing in performance.

Let's clarify the differences between various types of web speed measurements. We’ll discuss synthetic data (“synth”), Google user data (“CrUX”), and data from all users (“RUM”).

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Occasional speed checks aren’t enough. Without continuous speed monitoring, hidden issues remain unseen, you lack historical data for analysis, and trends that can cost your site conversions and…

Enhance your Vue.js website speed with SSR, lazy loading, and other tips. Better performance means happier users and improved conversions.

In this post, let's consider several optimization techniques for improving Core Web Vitals metrics for sites that are built with React. We are a team of speed consultants from the Czech Republic and ...