We web developers often come across a scenario where we make a major change in the CSS values and the site is totally damaged for the viewer due to a broken / cached css. This becomes very crucial when the change involves update of both the css file contents and a change in the structure of the front end. To handle such a scenario, specially when you are expecting to update the css too often, the trick below helps a lot. Instead of calling the css using <link href="/theme/public.css" rel="stylesheet" type="text/css"> write the call in a php file called css.php (You can use any other name and extension) Paste the css call in the php file and modify the name of called css to something unique. I prefer adding a yymmdd or v1,v2 etc <link href="/theme/public-190104.css" rel="stylesheet" type="text/css"> Now include the css.php in the page at the place where you would have called the css. Done. Now whenever you make a c...