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.

Smashing Magazine is a reputable publication that caters to web designers and developers, offering a  articles, tutorials, and resources to help them stay at the forefront of their craft. With a focus on practical, actionable insights, Smashing Magazine covers a wide range of topics, including frontend development, UX/UI design, performance optimization, and responsive web design. The platform also hosts conferences, workshops, and webinars, providing opportunities for professionals to network and further their skills. By following Smashing Magazine, developers can access resources to enhance their knowledge, skills, and career prospects in the rapidly evolving field of web development.

Smashing Magazine

The Fight For The Main Thread SpeedCurve aims to dig deeper into the data for more targeted insights and to produce visual reports. The main thread may not be that curvy, but you get the point: there’s only one way to go, and everything that enters it must go through it.

The Fight For The Main Thread — Smashing Magazine