State of the Web

This report captures a long view of the web, including the adoption of techniques for efficient network utilization and usage of web standards like HTTPS.

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State of JavaScript

JavaScript powers the modern web, enabling rich and interactive web applications. In this report we dive into how JavaScript is used on the web, and its adoption and trends both for mobile and desktop experiences.

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State of Images

Images are the most popular resource type on the web. In this report we analyze how images are being used across the web.

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Loading Speed

Web performance can directly impact business metrics like conversion and user happiness. This report analyzes various performance metrics in the lifecycle of a loading page including those used by many modern progressive web apps.

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Progressive Web Apps

This report examines the state of Progressive Web Apps (PWAs). PWAs are a new class of web applications, enabled by the Service Worker APIs. Service workers allow apps to support network-independent loading, to receive push notifications as well as to synchronize data in the background, and — together with Web App Manifests — allow users to install PWAs.

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Accessibility

This report tracks accessibility of pages as measured by Lighthouse. Metrics in this report are only available for mobile.

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SEO

How websites are built can affect their ranking in search results. This report tracks the adoption of several key Search Engine Optimization (SEO) techniques.

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Page Weight

This report tracks the size and quantity of many popular web page resources.

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Chrome User Experience Report

Loading and interactivity performance as experienced by real-world Chrome users across a diverse set of hardware and network conditions, powered by the Chrome User Experience Report.

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