Situation:
My website is dynamically served, with all CSS and javascript directly embedded into the HTML document to optimize speed.
Advantages:
Disadvantages:
Aside from caching concerns, are there any other reasons not to use this approach?
Having your CSS in a separate stylesheet file is crucial for maintaining your site efficiently, even if it is inserted into the HTML document automatically by a server-side process.
This approach not only makes each downloaded page smaller but also ensures better maintainability of your site.
Despite common misconceptions about reduced file downloads and faster webpage loading times, separating CSS into its own file (especially with an aggressive Expires: header) actually results in quicker page loads because the browser doesn't have to re-request the stylesheet with each subsequent page visit. This initial cost is minimal compared to the overall benefits.
Cascading Style Sheets (CSS) were created with the intention of keeping content separate from design elements. According to experts, such as those at W3Schools, it is highly recommended to use HTML for building the structure of your webpage, while utilizing CSS for customizing its appearance.
By following this advice, you can streamline your workflow. Especially when dealing with extensive files, having a distinct stylesheet specifically for your CSS properties, or even multiple stylesheets, is preferable. Having inline styles or style tags directly within your HTML file can result in clutter and decreased readability.
Try hosting both examples on a separate subdomain and assess their performance using tools.pingdom.com
You will notice the contrasting loading speeds between the two.
Maintaining organized files just makes everything look cleaner.
Most front end users may not immediately recognize performance improvements, but they will definitely notice when your code contains bugs and takes ages to fix due to its unreadable and difficult-to-debug nature.
Clean, readable code is always superior to overly optimized yet unintelligible code.
There are numerous factors to consider.
For applications that are SPA and have compact CSS and self-contained scripts, serving it as a single file is the optimal choice.
However, in all other scenarios, it is recommended to utilize tools for comparing different combinations.
Have you ever thought about why you wouldn't want to use the same CSS styles on every page of your website? If you have multiple pages, it just makes sense to maintain consistency by using the same styles across the board. Plus, it saves you time from having to repeatedly write out the styles for each individual page.
Manually adding CSS to each page can be a time-consuming task, especially if you're not dynamically generating it. By simply linking to a CSS file in your generated page, you can improve both server and client performance, with the exception being the initial load for new users.
Of course, if you're dynamically generating the CSS as well, that's a different story.
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