Browser caching and cache inspection

Desktop web browsers include an array of tools for examining, testing, measuring, and debugging web-sites and web-based applications.

Among many other things, these tools can be used for browser cache inspection.

HTTP headers for cache inspection

Some HTTP headers useful for cache inspection.
Setting up Web Developer Tools to monitor cache status and age

Set up the Web Developer Tools in your desktop web browser to monitor a web page’s cache status and age.
Inspecting a page’s cache status and age

Use the Web Developer Tools to inspect the age and cache status of a page.