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.
DevTools is very advanced and helpful, but can also be very intimidating and overwhelming. Let’s fix that. In this article, Vitaly reviews useful features and shortcuts for debugging in Chrome, Firefox, Edge and Safari.
Out of all the tools available at our fingertips these days, DevTools is probably one of the most advanced ones. Over the years, it has become a tool for debugging, profiling, auditing and even prototyping all living within the same interface, and always just a keyboard shortcut away. Still, DevTools has plenty of obscure gems and undiscovered treasures, living on the remote fringes of hidden tabs and experimental settings. Let’s fix that.
Let’s make 2021… fast! An annual front-end performance checklist (available as PDF, Apple Pages, MS Word), with everything you need to know to create fast experiences on the web today, from metrics to tooling and front-end techniques. Updated since 2016. Ah, you can also get useful front-end tips in our email newsletter. This guide has been kindly supported by our friends at LogRocket, a service that combines
frontend performance monitoring, session replay, and product analytics to help you build better customer experiences.
LogRocket tracks key metrics, incl. DOM complete, time to first byte, first input delay, client CPU and memory usage. Get a free trial of LogRocket today.