How does having several CSS files, even if they are small, impact the loading speed of my website

MY CURRENT SITUATION
I am working with multiple pages such as index.html and menu.html, all using a single stylesheet called style.css. A large portion of the styling code used for index.html is not necessary for menu.html.

MY QUESTION
Should I consider creating separate CSS files like index.css, global.css, and menu.css? Each stylesheet would be tailored to its corresponding HTML document, while global.css would handle universal styles.

MY CONCERN
Would implementing this approach impact the performance of my webpage in terms of loading times? Although we may be loading multiple files, the overall number of lines of code has been significantly reduced.

htmlcss

Answer №1

Exploring the intricacies of website performance, Heretic Monkey highlights the complexity with no straightforward answers. The debate between using a single large bundle or multiple smaller files can vary depending on the situation.

If you're interested in breaking up your CSS into separate files during development but consolidating them into one for deployment, consider utilizing a css preprocessor like SASS. Learn more here: https://sass-lang.com/guide

Given the size of your project, diving deep into these optimizations may not be necessary at this stage. It's remarkable to see how much CSS (and other resources) are utilized in today's websites.

As an illustration, this stackoverflow page uses one of four CSS bundles available:

Focusing on proper resource caching is crucial for performance optimization. By ensuring that resources like CSS are cached correctly, users only need to download the file once as the browser will store a local copy. Configuration for caching can typically be managed on your web server or hosting platform.

However, it's important to note that improper caching settings can lead to issues where visitors encounter outdated styles or scripts. For further insights, check out this informative article:

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