10 Speed Tips to Load CSS Faster

How can you make your CSS files load faster and quickly? Cascading stylesheets are an important component of your site design and it is essential your CSS files download fast and showcase your superb design element before other site components load. But as we continue to redesign websites, CSS bloat and poor CSS practices makes us forget the importance of quick CSS delivery to visitors and need to increase site speed.

Faster CSS Download

fast cssSo here some quick tips to make your CSS load faster.

1. External stylesheets

Always avoid inline CSS in the HTML code to style individual elements, because it loads with each page load. Whereas external stylesheets get cached by browsers and do not need to reload every time a visitor continues to browse your site.

Call style.css in HEAD tags of your HTML like this
<link rel="stylesheet" href="https://domain.com/style.css" type="text/css" />

2. Single CSS file

Lesser the number of CSS requests the better. Always choose to load a single CSS file only on each page.

3. First Item to Load

Insert CSS as the first line in code after HEAD tags in your HTML. This ensures your CSS starts loading the moment the page loading starts.

4. Small CSS files

The smaller the CSS file, the faster it will load and give design to your site. Use design elements only when needed. CSS3 allows you to add lots of fancy stuff like transitions, gradients etc. – but do you really need to style every element.

5. Efficient CSS selectors

Learn CSS which enables you to join CSS codes into much smaller lines.

For example
margin-top: 0px; margin-bottom: 0px; margin-left: 2px; margin-right:2px;
can be written as
margin: 0 2px;

6. Compress CSS files

Minify and compress the CSS code, again to reduce CSS file size so that it loads as fast as possible. While many plugins can do this, but it increases server load. Remove unnecessary white-space and CSS comments. We do online CSS Compression using YUI Compressor manually.
compressed css

7. Remove unused CSS code

We use GTmetrix to identify unused CSS and remove CSS bloat easily. Why load unused CSS when it is not required.

8. Use a CDN

Content Delivery networks ensure your CSS is cached across the world and accessed as quickly as possible from the nearest local server for a superfast response. We use Amazon Cloudfront and simply drop the compressed CSS file via the AWS admin interface.

9. Avoid versions

Try to keep the CSS file URL clean. Adding multiple query parameters with ? to highlight CSS file versions or add server time to force CSS refresh makes CSS caching difficult.

For example
<link rel="stylesheet" href="https://domain.com/style.css?1368887361">

10. Learn CSS3

It is the latest version of CSS and makes styling even more efficient. Harness the power of CSS the right way. Here are some CSS books to get you started.

Try these fast CSS tips and make your site load faster. What is your speed tip?

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