Cache Policy

The Cache Policy section provides a detailed report of how HTTP response headers influence browser caching for specific web page resources. The Cache-Control header defines the duration for which a resource can be stored in a user's browser cache, detailing the caching strategy, cache location, and expiration parameters, including the maximum age (time to live) of the resource.

Analytics Results

The analytics results list issues related to the Cache-Control header and explains how to identify opportunities to improve load times and reduce server requests. This is vital for optimizing website performance and enhancing user experience. When a user visits a website, their browser caches certain resources—such as images and data—to speed up subsequent visits. The Cache-Control settings dictate whether these cached resources are used on return visits or if fresh copies need to be fetched from the server.

Additionally, this section can reveal whether a Content Delivery Network (CDN) is being utilized for caching. CDNs can significantly improve load times by distributing cached resources across multiple locations closer to users.