Key Concepts

Review core concepts you need to learn to master this subject

HTML

HTML Element

HTML Tag

Element Content

Closing Tag

<body> Body Element

HTML Structure

<h1>-<h6> Heading Elements

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HTML

HTML (HyperText Markup Language) is used to give content to a web page and instructs web browsers on how to structure that content.

Introduction to HTML
Lesson 1 of 2
  1. 1
    Introduction to HTML
    Welcome to the world of code! Last year, millions of learners from our community started with HTML. Why? HTML is the skeleton of all web pages. It’s often the first language learned by developers, …
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  2. 2
    HTML Anatomy
    HTML is composed of elements. These elements structure the webpage and define its content. Let’s take a look at how they’re written. The diagram to the right displays an HTML paragraph element. …
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  3. 3
    The Body
    One of the key HTML elements we use to build a webpage is the body element. Only content inside the opening and closing body tags can be displayed to the screen. Here’s what opening and closing b…
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  4. 4
    HTML Structure
    HTML is organized as a collection of family tree relationships. As you saw in the last exercise, we placed tags within tags. When an element is contained inside another element, it is consider…
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  5. 5
    Headings
    Headings in HTML are similar to headings in other types of media. For example, in newspapers, large headings are typically used to capture a reader’s attention. Other times, headings are used to de…
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  6. 6
    Divs
    One of the most popular elements in HTML is the element. is short for “division” or a container that divides the page into sections. These sections are very useful for grouping elements in your…
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  7. 7
    Attributes
    If we want to expand an element’s tag, we can do so using an attribute. Attributes are content added to the opening tag of an element and can be used in several different ways, from providing inf…
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  8. 8
    Displaying Text
    If you want to display text in HTML, you can use a paragraph or span: - Paragraphs ( ) contain a block of plain text. - contains short pieces of text or other HTML. They are used to separat…
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  9. 9
    Styling Text
    You can also style text using HTML tags. The tag emphasizes text, while the tag highlights important text. Later, when you begin to style websites, you will decide how you want browsers to di…
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  10. 10
    Line Breaks
    The spacing between code in an HTML file doesn’t affect the positioning of elements in the browser. If you are interested in modifying the spacing in the browser, you can use HTML’s line break el…
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  11. 11
    Unordered Lists
    In addition to organizing text in paragraph form, you can also display content in an easy-to-read list. In HTML, you can use an unordered list tag ( ) to create a list of items in no particular …
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  12. 12
    Ordered Lists
    Ordered lists ( ) are like unordered lists, except that each list item is numbered. They are useful when you need to list different steps in a process or rank items for first to last. You can …
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  13. 13
    Images
    All of the elements you’ve learned about so far (headings, paragraphs, lists, and spans) share one thing in common: they’re composed entirely of text! What if you want to add content to your web pa…
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  14. 14
    Image Alts
    Part of being an exceptional web developer is making your site accessible to users of all backgrounds. In order to make the Web more inclusive, we need to consider what happens when assistive techn…
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  15. 15
    Videos
    In addition to images, HTML also supports displaying videos. Like the tag, the tag requires a src attribute with a link to the video source. Unlike the tag however, the element requires an …
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  16. 16
    Review
    Congratulations on completing the first lesson of HTML! You are well on your way to becoming a skilled web developer. Let’s review what you’ve learned so far: - HTML stands for HyperT…
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