When I analyze the network performance of my GAE hosted application, http://peertool.appspot.com with Chrome Dev Tools Audit, the top listed suggestion for improvement is "Leverage browser caching", viz.
""" The following resources are missing a cache expiration. Resources that do not specify an expiration may not be cached by browsers: jquery-ui.css base.css calendar.css ptjq.pkg.js peertool.js background.gif groups_logo_sm.gif rpx.js header.gif menu.gif question32.png agplv3-88x31.png """ Most, but not all, of these are served from the static/ directory. I checked app.yaml and found that it has the settings recommended in an earlier thread on this group: """ - url: /(?P<a>.+?)/static/(?P<b>.+) static_files: applications/\1/static/\2 upload: applications/(.+?)/static/(.+) secure: optional expiration: "90d" """ I'm using web2py version 1.84.0 (2010-08-28 09:58:51) Is there something more I need to do? Thanks, Mike