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Common questions - Learn web development 编辑

This section of the Learning Area is designed to provide answers to common questions that may come up, which are not necessarily part of the structured core learning pathways (e.g. the HTML or CSS learning articles.) These articles are designed to work on their own.

How the Web works

This section covers Web mechanics —questions relating to general knowledge of the Web ecosystem and how it works.

How does the Internet work?: The Internet is the backbone of the Web, the technical infrastructure that makes the Web possible. At its most basic, the Internet is a massive network of computers communicating with each other. This article discusses how it works, in broad terms.
What is the difference between webpage, website, Web server, and search engine?: In this article we describe various Web-related concepts: webpages, websites, Web servers, and search engines. These terms are often a source of confusion for newcomers to the Web, or are used incorrectly. Let's discover what they actually mean!
What are hyperlinks?: In this article, we'll go over what hyperlinks are and why they matter.
What is a URL?: With Hypertext and HTTP, URL is a key concept when it comes to the Internet. It is the mechanism used by browsers to retrieve any published resource on the Web.
What is a domain name?: Domain names are a key component of the Internet infrastructure. They provide a human-readable address for any Web server available on the Internet.
What is a Web server?: The term "Web server" can refer to the hardware or software that serves websites to clients across the Web — or both of them working together. In this article we go over how Web servers work, and why they're important.

Tools and setup

Questions related to the tools/software you can use to build websites.

What software do I need to build a website?: In this article we explain which software components you need to edit, upload, or view a website.
How much does it cost to do something on the Web?: When you're launching a website, you may spend nothing or your costs may go through the roof. In this article we discuss how much everything costs and what you get for what you pay (or don't pay).
What text editors are available?: In this article we highlight some things to think about when choosing and installing a text editor for Web development.
What are browser developer tools?: Every browser features a set of devtools for debugging HTML, CSS, and other Web code. This article explains how to use the basic functions of your browser's devtools.
How do you make sure your website works properly?: So you've published your website online — very good! But are you sure it works properly? This article provides some basic troubleshooting steps.
How do you set up a local testing server?: This article explains how to set up a simple local testing server on your machine, and the basics of how to use it.
How do you upload files to a Web server?: This article shows how to publish your site online with FTP tools — one of the most common ways to get a website online so others can access it from their computers.
How do I use GitHub Pages?: This article provides a basic guide to publishing content using GitHub's gh-pages feature.
How do you host your website on Google App Engine?: Looking for a place to host your website? Here's a step-by-step guide to hosting your website on Google App Engine.
What tools are available to debug and improve website performance?: This set of articles shows you how to use the Developer Tools in Firefox to debug and improve performance of your website, using the tools to check memory usage, the JavaScript call tree, the number of DOM nodes being rendered, and more.

Design and accessibility

This section lists questions related to aesthetics, page structure, accessibility techniques, etc.

How do I start to design my website?: This article covers the all-important first step of every project: define what you want to accomplish with it.
What do common Web layouts contain?: When designing pages for your website, it's good to have an idea of the most common layouts. This article runs through some typical Web layouts, looking at the parts that make up each one.
What is accessibility?: This article introduces the basic concepts behind Web accessibility.
How can we design for all types of users?: This article provides basic techniques to help you design websites for any kind of user — quick accessibility wins, and other such things.
What HTML features promote accessibility?: This article describes specific features of HTML that can be used to make a webpage more accessible to people with different disabilities.