I’m working on a project that allows friends to work out who owes cash to whom after a joint event. and is built in Java / Google App Engine.
Running the site through Google’s wonderful page speed insights tool resulted in this recommendation: “Leverage browser caching”.
Here’s what you need to do to implement caching for static files.
Add the following to
appengine-web.xml (remembering to substitute the correct directory for
For some reason app engine does not serve static HTML files unless the second include is also present.
More information can be found here