How to force the browser to reload cached CSS/JS files?

Question

I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even be

Answer 1

I've heard this called "auto versioning". The most common method is to include the static file's mtime somewhere in the URL, and strip it out using rewrite handlers or URL confs:

See also:

• Automatic asset versioning in Django
• Automatically Version Your CSS and JavaScript Files