A digital signature can be added to the URL of each static file to make it possible for browsers to detect when a newer version is available. The newer version of the file is used if the signature differs from what is stored in the browser’s cache.
For a standard installation, the assets associated with a theme are organized in the
web folder at the following location below the Magento root.
To sign static files:
On the Admin sidebar, go to Stores > Settings > Configuration.
In the panel on the left under Advanced, choose Developer.
Expand the Static Files Settings section.
Static Files Settings
Set Sign Static Files to
When complete, click Save Config.
|CSS||Directory that contains the CSS files that control the visual styling that is associated with the skin. Example location on server:
|Fonts||Directory that contains the fonts that are available to be used by the theme. Location on server:
|Images||Directory that contains all images used by the theme, including buttons, background textures, and so on. Example location on server: