Declarative Shadow DOM (DSD) makes server-side rendering of Web Components possible, which can meaningfully improve page load times and Core Web Vitals.

An analysis of 25 government websites to discover which website has the fastest Largest Contentful Paint (LCP) and upholds modern web standards.

A comprehensive technical SEO checklist for 2026 covering crawling, indexing, Core Web Vitals, JavaScript rendering, security, and visibility in AI-powered search engines.

Most Shopify speed advice focuses on Lighthouse scores, but the real bottlenecks are oversized hero sections, uncontrolled app scripts, and poor loading strategy. Here's how to fix them properly.

Learn how to use lazy loading without hurting web performance. This article explains when lazy loading improves performance, when it backfires, and how it impacts Core Web Vitals like LCP, CLS, and INP — with practical patterns and real-world pitfalls.

Preconnect hints can speed up page loads, but what happens when you use too many? We tested the impact of excessive preconnects on page speed.

React Server Components (RSC) render exclusively on the server and are never included in the bundle. RSCs can improve web performance and Largest Contentful Paint by shipping less JavaScript to the browser.

Learn how to use requestAnimationFrame to schedule UI updates efficiently. Understand the differences between requestAnimationFrame and setTimeout and other APIs.

Google limits how much HTML content it processes when crawling a page. Learn what the 2MB file size limit means for SEO and how to diagnose large HTML documents.

Learn why websites often feel slow on mobile devices—even when they perform well on desktop. This article explains the difference between actual and perceived performance, highlights the most common mobile performance bottlenecks, and outlines practical, real-world optimization strategies based on modern web performance best practices and Core Web Vitals.

An analysis of the most commonly used Consent Management Platforms and their impact on Interaction to Next Paint.

Learn how to optimize your ecommerce website for search engines in 2026. This guide covers keyword research, site architecture, technical SEO, Core Web Vitals, and strategies for AI-powered search.

Learn what JPEG XL is, how it compares to other image formats like AVIF and WebP, and whether you should use it on your website.

What is React Compiler? Learn how React Compiler automatically memoizes your app to improve performance, eliminate unnecessary re-renders, and boost your Interaction to Next Paint (INP) scores.

Learn how website speed impacts user experience and how you can measure performance and business outcomes.

Learn how to optimize React application performance using useMemo and useCallback. This article explains when memoization truly matters, highlights common performance pitfalls, and provides practical examples and best practices—along with references to real-world React performance guidelines used by modern teams.

Learn why Lighthouse scores differ between tools like PageSpeed Insights and Chrome DevTools, and how to diagnose and fix these discrepancies.

Learn how to measure the performance of your React app and identify what's slowing it down.

How we discovered and fixed a lodash memoize memory leak that caused out of memory crashes in our Google Cloud Functions.

Learn how we've improved real user monitoring, synthetic testing, and team collaboration.