Do HTML Comments Affect Performance?

Leaving comments in your HTML documents makes it easier to edit and debug your code. But does it also have a negative effect on the speed of your website?

Is CSS Harder Than HTML?

Wondering if writing CSS style sheets is harder than HTML markup? We have the answer for you, and more.

How to Use CSS With PHP

Learn about the different ways to add Cascading Style Sheets (CSS) to your website using PHP—with code samples.

How Much CSS Is Too Much?

Let’s talk about Cascading Style Sheets (CSS) performance, and the dos and don’ts of writing CSS that doesn’t slow your site down.

Is CSS Hard to Learn?

Why Cascading Style Sheets (CSS) is easier to learn than most people think. And why it’s quite hard to master.

How to Prevent CSS Override

Having trouble with other CSS rules overriding yours? Here’s why this is happening—and what you can do about it.

Why Is CSS So Hard?

Many web developers find Cascading Style Sheets (CSS) hard. So let’s talk about what you need to know to make it easy.

Is CSS a Programming Language?

When you write CSS, do you write code or do you program an application? Here’s why the answer isn’t a clear-cut yes or no.