Is there a way to force browsers to refresh/download images?

Question

I have a problem where users are reporting that their images aren\'t being uploaded and the old ones are still there. On closer inspection the new images are there, they jus

Answer 1

If you look at the data that is exchanged between your browser and the server, you'll see that the browser will send a HTTP HEAD request for the images. The result will contain the modification time (but not the actual image data). Make sure that this time changes if the image changes on the server and the browser should download the image again.