When Should You Use `@import` for CSS, and When Should You Avoid It?

When is it Best to Use @import for CSS Imports?

It is generally recommended to avoid using @import to include CSS stylesheets into others. When compared to simply adding a element to the document's head, @import may hinder the concurrent downloading of stylesheets.

How does @import affect CSS loading?

Consider the following CSS file (stylesheet A) with an @import statement:

@import url("stylesheetB.css");

In this scenario, the browser must download stylesheet A before it can start downloading stylesheet B. This could potentially delay the loading of stylesheet B and slow down the rendering of the page.

Alternative approach: Using elements

If both stylesheets are always loaded together, a more efficient approach is to directly reference them in individual elements in the main HTML page. This allows both stylesheets to be downloaded simultaneously.

Are there any exceptions?

While @import is generally discouraged, there may be rare situations where it could be appropriate. For instance, if you need to import a CSS file dynamically without referencing it directly in the main HTML. However, these situations are exceptional and should not be considered the norm.

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