Performance

Adventures in hacking Hermes VM’s C++ internals for fun and profit

Fast loading web apps can be a key success factor in terms of user experience. However, improving the performance of a web app is not trivial, since i…

The Internet is the biggest machine ever built – and it has a huge impact on our environment. How can we as perf experts help make IT more sustainable? What would enable us to do more?

Learn about the Speculation Rules API and how CDN Planet used this new browser technology to reduce Time to First Byte on its Cloudflare powered website.

Stripe's continuous integration system is responsible for orchestrating build pipelines and executing tens of thousands of test suites. To meet our exceptionally high security bar, we lean on a combination of open-source tech and novel engineering.

Urvashi Reddy | Software Engineer, Engineering Productivity Team Adam Berry | Tech Lead, Engineering Productivity Team Rui Li | Software…

Since its inception, Tailwind CSS has become a super popular way to style web projects. This time we will be taking a look at the architecture that powers it and what can be done to improve it.

You log in to a Linux server with a performance issue: what do you check in the first minute?

Having access to a free reporting tool like Lighthouse in DevTools is a great start for diagnosing performance issues by identifying bottlenecks on the main thread. Even better are paid tools like [SpeedCurve](https://www.speedcurve.com/?utm_source=smashingmag&utm_medium=magazine&utm_campaign=sm7_2023&utm_id=sm7_2023&utm_term=sm7_2023) to dig deeper into the data for more targeted insights and to produce visual reports to help make a case for performance improvements for your team and other stakeholders.

An in-depth look at the decoding attribute and how it affects web performance differently when using sync, async or not at all

Learn how business decision makers and non-developers can improve Core Web Vitals.