CSS not updating as expected

I am currently working on a PHP website and I have encountered an issue with the CSS. When I tried to copy some CSS from a previous project into my new project, any changes I make to that CSS do not reflect in the browser (Chrome). Even when I inspect elements, the added CSS lines are not visible. This problem seems to be occurring with every CSS file in my project or website. To solve this, I found that renaming the CSS document causes all the existing and added lines to show up correctly. However, if I need to make further changes, I have to rename the CSS document again. It appears that my browser is holding onto an old copy of the CSS file, causing it to ignore any updates. Can someone offer a solution to this issue?

htmlcss

Answer №1

To avoid caching, include a timestamp at the end of the src attribute:

<script src="script.js?<?php echo date('l jS \of F Y h:i:s A'); ?>"></script>

Answer №2

When making changes that can be cached by your browser, it's helpful to keep the developer tools window open in Chrome and tick the "Disable cache" checkbox in the Network tab of the developer console. By doing this, Chrome will always load the new changes upon refreshing.

For further information, you can visit:

To prevent such caching issues in a production environment, consider adding a version parameter to your CSS file URL. This way, if something is cached in your browser, it won't affect your customers' browsers as well.

For example: link/to/css-file.css?ver=1.0.1 (suggested by @Marek in )

If unable to add comments, providing the information through an answer works just as well.

Answer №3

If you want to ensure that your CSS file is reloaded, a useful method is:

<link href='styles.css?version=2' rel='stylesheet'></link>

You can simply update the version number in the link tag whenever you make changes to your CSS. This technique is commonly used by websites like StackOverflow.

Answer №4

When the browser retrieves an outdated version of a CSS file from its cache.

In order to view your updates, you have a few options:

  1. Clear your browser's cache
  2. Modify the URL to your CSS file

You can simply append a 'ver' parameter to your URL:

link/to/css-file.css?ver=1.0.1

@Shipow offers a solution that works well for local changes, but it is not recommended for production servers. Adding the current timestamp to the URL will result in a different URL with each page reload, causing the file to be downloaded by the customer's browser every time due to the constantly changing URL.

Answer №5

It appears that there is a caching problem. Consider turning off the cache in your Apache server settings.

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