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Over three days, we'll share quick tips on aspects of modern web development. Each day, we'll "travel" to a new timezone to cover a couple of topics and answer your questions.

38 min

Optimize for Core Web Vitals

Addy Osmani

In this hands-on talk, we cover tips & tricks for optimizing your user-experience to meet the Core Web Vitals. We use tools like Lighthouse & DevTools, show you code snippets for fixes, and highlight…

34 min

Core Web Vitals in the DevTools timeline

Paul Lewis, Philip Walton

The Core Web Vitals are a great way to assess the UX impact of page load performance. In this talk, we cover what the vitals are, where they came from, and how you can use Chrome's DevTools to explor…

12 min

Workerized JS made easy

Ben Morss, Crystal Lambert

When JavaScript lives in a Worker, it runs in a separate thread. Thus, it can't block the browser from creating smooth user experiences! Unfortunately, since Workers can't access the DOM directly, yo…

16 min

What’s new in speed tooling

Elizabeth Sweeny

Our understanding of how to effectively measure and optimize a user's experience is continually evolving, and we keep our metrics and tooling updated to reflect the latest in our learnings. This talk…

9 min

How to analyze your JavaScript bundles

Houssein Djirdeh

Learn how to analyze your bundled JavaScript code and to spot common issues that can easily bloat up your application size.

23 min

What’s new in DevTools

Paul Lewis, Surma

Let's take a look at the latest and greatest features in Chrome's DevTools. We cover how you can use the Performance Panel to assess your page load metrics, how you can locate issues with your pages,…

23 min

What’s new in V8/JavaScript

Leszek Swirski, Shu-yu Guo

What exciting things happened in the JavaScript language and the V8 engine in 2019? Shu and Leszek take a tour of some new features and improvements. For JavaScript, learn about new syntax, like opti…

8 min

What’s new in Puppeteer

Mathias Bynens

The Chrome team maintains Puppeteer, a Node.js library for browser automation using a simple and modern JavaScript API. This session gives an overview of recent changes in Puppeteer, including new fe…

9 min

Shipping a PWA as an Android app

Andre Bandarra

Increase the reach of your Progressive Web App by using it as an Android app. In this session, learn about Bubblewrap, a new tool that developers can use to transform their PWAs into an Android appli…

22 min

10 modern layouts in 1 line of CSS

Una Kravets

In this dynamic talk, Una goes over the power of modern CSS layout techniques by highlighting a few key terms and how much detail can be described in a single line of code. Learn a few layout tricks …

32 min

Image compression deep-dive

Jake Archibald, Surma

Images are often the biggest assets in a web page, so compressing them well can be a huge saving for users. There are some rough rules for which image format you should use in a given situation, but …