Site performance is one of the most reliable measures of user experience and visitor conversion. Gatsby's architecture is tailored to make your performance fast out of the box. This section covers how to audit your site performance, implement Gatsby features to improve performance, and take other steps that can speed up your site.

How to run a Lighthouse audit

Lighthouse is an open-source, automated tool for auditing for page performance. It is included in Chrome DevTools.

How to add a manifest file

Gatsby includes drop-in support for manifests, which help your website function well if installed as an app on a mobile device.

How to add offline support

Support for making a Gatsby site work offline and more resistant to bad network connections.