article thumbnail

Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks.

article thumbnail

How To Boost Resource Loading With The New Priority Hint `fetchpriority`

Smashing Magazine

These default priorities work reasonably well for most cases, usually resulting in a good performance. However, developers with a deep understanding of the project may want to improve performance beyond that by doing some fine-tuning under the hood. Fine-tuning JavaScript Resource Priorities. Examples And Use Cases.

Media 71
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

World’s Top Web Performance Leaders To Watch

Rigor

After seeing companies struggle to find and fix frontend performance issues, Billy left HP and founded Zoompf, a web performance optimization company acquired by Rigor in 2015. He has a keen interest in web technologies, performance tuning, security, and the practical use of technology. Paul Irish. Paul Irish.

article thumbnail

Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

Website performance is not consistent across devices. This is the exact scenario I was dealing with last year and we managed to achieve a noticeable performance boost by code-splitting this library to a separate bundle and loading it dynamically. Bundle size and estimated download times for zxcvbn package. Large preview ).

Code 91