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Demystifying Speed Tooling

This talk will provide an overview on how to effectively assess and optimize site performance using a slew of industry grade tooling. Learn how to methodically diagnose, benchmark (against both lab and field metrics), and monitor your site speed using these tools.


71 min

Боремся с сетевым оверхедом в распределённых системах

Павел Тупицын

Современные приложения состоят из множества подсистем: базы данных, кеши, брокеры сообщений. Для обработки одного запроса от пользователя сервер может выполнять десятки внутренних подзапросов. Вы ска…

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…


72 min

Unlocking performance improvements in .NET

Stephen Toub

. Performance is at the heart of .NET, with an incredible amount of energy invested in every release towards making the stack faster and more scalable. In this talk, Stephen Toub will walk through ex…


55 min

Is it time to re-sync?

Андрей Печкуров

Современные компьютеры кроют в себе множество аппаратных оптимизаций и особенностей работы ЦП и памяти, понимание которых важно при написании многопоточного кода на любом языке, в том числе и Golang.…


52 min

30 лет — полёт нормальный!

Виталий Харисов, Ольга Алексашенко, Сергей Бережной, Сергей Чикуёнок

Вебу исполнилось 30 лет. С лёгким флёром ностальгии поговорим о его взрослении, развитии и самочувствии в 2021 году. Обсудим нашу профессию, сложности и задачи, сопровождение проектов, актуальные тем…


34 min

Рендеринг, Почему никто не следит за потерянными кадрами

Сергей Иванов

Современная фронтенд разработка,в частности вопрос производительности, сводится к тому, чтобы удовлетворить набор требований lighthouse или метрик Core Web Vitals. Однако почему среднестатистический …

Chrome Dev Summit

7 min

Faster apps with JSON.parse

Mathias Bynens

Because the JSON grammar is much simpler than JavaScript’s grammar, JSON can be parsed more efficiently than JavaScript. This knowledge can be applied to improve start-up performance for web apps tha…

View Source Amsterdam

27 min

The Tailored Web: Effectively Honoring Visual Preferences

Melanie Richards

The web platform is evolving to support more native capabilities, including integration with a user's OS-level settings. By using new CSS standards to honor a user's preferences around contrast and c…


94 min

Techies in Virusland

Federico Lois

The pandemic has brought people from every corner of the world and with different expertise to try to understand its behavior. In this session, one of the authors of "SARS-CoV-2 waves in Europe: A 2-…

JavaScript fwdays

53 min

Did we(b development) lose the right direction?

Stefan Judis

Keeping up with the state of web technology is one of the biggest challenges for us developers today. We invent new tools; we define new best practices, everything’s new, always... And we do all that…

Chrome Dev Summit

30 min

The main thread is overworked & underpaid


Amongst all the platforms for app development, the web is arguably the only one that does not make good use of threading. On the web, the main thread has a lot of responsibilities, and we keep adding…

View Source Amsterdam

22 min

Web Ready Augmented Reality in 47 Lines of Code

Ali Spittel

Augmented reality is becoming more popular for both its artistic and business applications. This talk will explore the frameworks and tools that make AR more developer friendly, including adding live…

View Source Amsterdam

27 min

Is the site fast yet?

Sharell Bryant

As the owners of web performance, my team is often asked some version of the question “Is the site fast yet?”. While it sounds simple, it's actually impossible to answer without asking more questions…

React Advanced

27 min

Don’t Let Your Unit Tests Slow You Down

Daniel Irvine

Do your unit tests feel like a chore to maintain? Are they sometimes useful but come with a high maintenance cost? Do you secretly believe you’d work faster without them there? A great test suite sho…

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…


24 min

Rust для web-разработчиков

Александр Колесов

Узнаем, почему разработчики так любят Rust. Разберем, насколько данный язык подходит для web разработки.

JavaScript fwdays

34 min

I reviewed 200 perf-related webpack plugins so that you don’t have to

Ivan Akulov

There are almost 10 000 npm packages with the “webpack” keyword in their package.json. Almost all of them are webpack loaders or plugins. But many of us have used 10 or 20 of those at most. In this …

View Source Amsterdam

30 min

Our Privacy and the Web

Selena Deckelmann

Privacy is the how we form our sense of self, become individuals and form relationships. It’s also how we form critical thoughts, and then decide whether we share them. Sometimes we invent technology…


61 min

Простая и быстрая реализация парсеров на C#

Карлен Симонян

Создание парсеров и лексических анализаторов — затратное по времени дело. Обычно к ним прибегают при необходимости реализации различного рода формальных грамматик, в том числе предметно-ориентированн…