What is wrong with OPEN SERVER?

Question

open server

Faced such a problem, in general, I write css styles for blocks so as not to go into details, I will take a simple example, for example, there is a div class='x', I set the x class background color to red, then I wanted to change the class name to y , the background color remained red, I update the server not helped changed the background color to blue in the code it remained red I deleted the CSS file but the background color is still red let the old domain be z I created a new folder and changed the domain name the new domain will be z_now it helps but if you change the name of the folder with the site to the old domain that is, I rename z_now to z, the red background remains although I have already deleted the folder with z (old) what could be the reason for this

Answer 1

This is called caching . The easiest way to disable it for development time is to disable it in the developer tools in the browser. For example, here is a screenshot of how you can do it in Chrome: You need to go to the Network
tab and check the Disable Cache field