With modern dev tools, it's easy to locate the exact code that's slowing down your app, but what do you do next? Why exactly is it slow, and how do you make it fast?

What are the major factors that slow down a web application written in React? Can we mitigate them? If so, what are the trade-offs.

Operating on files (and images) and extracting crucial information out of them in the browser can be tough.

Insights into Smashing Magazine’s Relaunch — with decisions made, failures, successes and lessons learned along the way.

Join one of WeWork's first hires on his journey & decisions that helped shape the global footprint of it's marketing website and its massive growth.

Progressive enhancement, accessibility, internationalization, and performance as it relates to writing CSS in 3019 (and, of course, today).

In this talk, Yan will discuss the strategies he employed in migrating a social network, Yubl, from a monolith to serverless.

Explore many of Angular features and improvements in the pipeline that allow anyone to build and deploy performant apps with very little overhead.

With modern development tools, it’s easy to locate the exact code that’s slowing down your application, but what do you do next? Why exactly is it slow, and how do you make it fast?

This is an advanced talk about SVGs, shapes, animations and orchestration. It is also a talk about architecture, abstractions and building tools that open up new possibilities.

Top #10 things I've learned while putting JavaScript on the top of server-side benchmarks.

A JS-driven app gets a static render, massively improving the time to first render, and time to interactive. See useful build tools, and learn how to avoid all the gotchas.

Learn how to create smooth, performant animations and interactions, that look and feel native-like.

Understand the performance impact of external fonts, analytics, ads, tracking, and more.

Explore the most important performance metrics and ways you can easily set up performance tests using WebDriver, as part of your CI/CD pipeline.

This talk is all about performance after the initial page load. Learn cool tips about animations, accordions, and more.

How does app performance look at scale? Ashley dives deep into the details of how they rebuilt Facebook.com and achieved super-fast rendering times and network transfers.

Learn how to make Webpack + Babel work for your users: smaller bundles, faster parse times, browser-engine opts and de-opts, and faster perceived load times.

Everybody loves to talk about performance and how important it is. Learn what you should measure, how to do it, how to log it, and what standards may help.

Do you worry about the performance of your React applications? This is a how-to of performance improvement, with techniques to track and increase speed.

Eesh and his team has built a single GraphQL endpoint at his company to remove the dependency of the react client with the Rest API.

Angular apps are getting more performant with each new version of the framework - thanks to the huge number of internal optimizations.

Explore patterns and libraries to make working with Web Workers easier.

Variable Fonts allow typography on the web to adapt to the flexible nature of screens, environments and devices.

Make Gatsby's "fast in every way that matters" a reality with this collection of 5 quick actions to speed up a Gatsby website, featuring real-world examples, Lighthouse scores and links to code.

On March 4, 2020, we started a couple of spreadsheets to collect COVID-19 data—just until the CDC stepped up. Three months, two websites, and two million API requests later, we're still doing it every day.

A deep dive into how a bundler works, and how we can make our development process much faster.

Make Gatsby's "fast in every way that matters" a reality with this collection of 5 quick actions to speed up a Gatsby website, featuring real-world examples, Lighthouse scores and links to code.

We’re going to build a simple game of “tic-tac-toe” with React, and see the pitfalls of lifting state—and when O(1) can still be slow.

Building performant React apps is hard. See how Next.js can help you.

This talk charts the ABC's journey and how page load speed is measured, the trade-offs between different app architectures, and finally the APIs and tools browsers give you to speed your sites up.

I’m going to be the meanie in the room who proposes that the J in your JAMstack might not be as performant as you think, and the metrics you're looking at may be misleading you.

Variable Fonts allow typography on the web to adapt to the flexible nature of screens, environments and devices.

With frameworks like Nuxt we can build really cool sites that look and feel like a single page application but are actually static generated.

freeCodeCamp.org started out as a traditional Node/Express web app. But as our nonprofit's community grew, speed and reliability became more important.

Last year we started the rebuild of a big e-commerce platform, to increase performance. I will explain how we mixed Nuxt, Vue, and Storybook together and how we are able to develop great code with a big team.

See effective ways to progressively render a webpage from the server to the client, and important performance aspects of rendering modern websites.

Do you worry about the performance of your React applications? This is a how-to of performance improvement, with techniques to track and increase speed.

A JS-driven app gets a static render, massively improving the time to first render, and time to interactive. See useful build tools, and learn how to avoid all the gotchas.

Join one of WeWork's first hires on his journey & decisions that helped shape the global footprint of it's marketing website and its massive growth.

Insights into Smashing Magazine’s Relaunch — with decisions made, failures, successes and lessons learned along the way.

Why does it seem like so many Electron apps consume more resources than their native counterparts?

Progressive enhancement, accessibility, internationalization, and performance as it relates to writing CSS in 3019 (and, of course, today).

With modern development tools, it’s easy to locate the exact code that’s slowing down your application, but what do you do next? Why exactly is it slow, and how do you make it fast?

Top #10 things I've learned while putting JavaScript on the top of server-side benchmarks.

Explore the most important performance metrics and ways you can easily set up performance tests using WebDriver, as part of your CI/CD pipeline.

Explore many of Angular features and improvements in the pipeline that allow anyone to build and deploy performant apps with very little overhead.

Angular apps are getting more performant with each new version of the framework - thanks to the huge number of internal optimizations.

Problems developers face when building HTML5 applications.

Assuming everyone uses the web with a 10 Mbps connection and a Macbook Pro is rather utopian.

The JavaScript language gets ever more powerful, but more complex to implement and deliver good performance. Learn about V8's new compiler pipeline.

Understand the performance impact of external fonts, analytics, ads, tracking, and more.

In this talk, Yan will discuss the strategies he employed in migrating a social network, Yubl, from a monolith to serverless.

The history of moving the frontend of one of the largest services in Russia—Yandex Search—to React and TypeScript.

Everybody loves to talk about performance and how important it is. Learn what you should measure, how to do it, how to log it, and what standards may help.