Write all HTML tags in lowercase letters. Avoid using any uppercase letters.

Properly indent your HTML code for better readability and easier debugging.

Place script tags at the bottom of the HTML document, just before the closing of the body tag. This helps the page load faster.

Use only one h1 tag per page for your main heading. Multiple h1 tags can harm your search engine ranking.

Use an HTML editor, such as Notepad++ or Sublime Text, to write HTML code. Avoid using word processors like Microsoft Word.

A property of an HTML element that specifies its unique identifier. It is used to distinguish between elements with the same name and to allow for specific targeting using JavaScript or CSS.

A property of an HTML element that associates it with a style sheet, specifying its class.

A property of an HTML element that provides a suggested title for the element. This text is often displayed as a tooltip when the mouse hovers over the element.

A property of an HTML element that allows you to apply CSS rules directly to the element, overriding any styles defined elsewhere.

Short bits of HTML code used to display special characters like reserved characters and non-keyboard characters.

A section of HTML code ignored by web browsers. Used to add notes, explanations, or disabled code.

Characters that have special meaning in HTML, like angle brackets, and are used to identify elements' opening and closing tags.

Characters that aren't typically found on a keyboard, such as the copyright symbol or the mathematical value pi. They are displayed using character entities.

A language used by browsers to display web pages. Its structure informs the webpage's organization and content.

The basic building blocks of HTML, denoted by tags (e.g., <p>, <h1>). They specify how content should be presented in a web page.

Additional information provided within an HTML element to modify its behavior or appearance. For example, <img src="my_image.jpg"> where 'src' is the attribute and 'my_image.jpg' is the attribute value.

Special characters used to represent symbols or characters that cannot be directly typed on a keyboard. For example, © represents the copyright symbol.

Non-executable code within the HTML document ignored by the browser. They are used to add notes or explanations for developers. They begin with <!-- and end with -->.

The front-end developer focuses on the user's experience of a website. They use HTML, CSS and JavaScript to create the website's look and feel.

The back-end developer handles behind-the-scenes operations like database management and server-side logic to power a website.

Data about data, providing information about an HTML document to machines like search engines and browsers.

A special tag that defines metadata about an HTML document. It's typically used to set character set, page description, keywords, author, and viewport settings.

The main tag used to define the title of an HTML document. It's the title that appears in the browser's tab or window title bar.

Tags that mark up the start of an HTML element and usually are enclosed in angle brackets (< >). They are needed to tell the browser how to interpret and display the content.

They contain more information about an HTML element, like extra details about how to display or process the element. They have a name and a value, and are placed within the opening tag of an element.

Tags that need to be closed properly. They have an opening tag and a closing tag to mark the start and end of the element. The closing tag uses a forward slash (/).

Tags that don't need a closing tag. They are self-contained and usually used for single elements.

HTML elements must be closed in the same order they are opened. This ensures the browser can read and understand the structure of the HTML document.

An HTML list that displays items with bullets. It uses the <ul> tag for the list and the <li> tag for each item.

An HTML list that displays items with numbers. It uses the <ol> tag for the list and the <li> tag for each item.

An HTML list displaying terms and their descriptions. It uses the <dl> tag for the list, <dt> for the term, and <dd> for the description.

Different bullet styles for unordered lists. Default is a circular bullet.

Different number styles and starting points for ordered lists. It can start with numbers, letters (uppercase or lowercase),or roman numerals.

Heading elements (

to

) define the structure and hierarchy of text content within an HTML document. Each heading level represents a different importance, with

being the most important and

the least. They provide visual cues for readers and also improve search engine optimization (SEO).

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The <h1> tag should be used only once per page, for the main topic or title. Subsequent topics and their headings should be indented using the rest of the heading elements (

,

, etc.) as needed.

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The <p> tag is used to enclose paragraphs of text within an HTML document. It creates a visual separation between paragraphs, improving readability and accessibility. It also helps search engines understand your content better.

HTML tags are used to mark up different sections of an HTML document, defining the structure and content. They tell the browser how to display the content properly. For example, the <h1> tag indicates a heading and <p> indicates a paragraph of text.