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What is HTML?
What is HTML?
HTML, which stands for HyperText Markup Language, is the standard markup language used to create web pages. It's the fundamental building block of the World Wide Web, providing the structure and content for virtually every website you visit.
Why do we need HTML?
Why do we need HTML?
HTML serves several crucial purposes in web development:
Structure: It defines the structure of web content, organizing it into headings, paragraphs, lists, and more.
Semantics: HTML provides meaning to content, helping both browsers and humans understand the importance and context of different elements.
Linking: It allows for the creation of hyperlinks, connecting web pages and resources across the internet.
Embedding: HTML enables the inclusion of images, videos, and other media in web pages.
Accessibility: Proper use of HTML helps make web content accessible to people with disabilities.
What is HTML used for?
What is HTML used for?
HTML is used to create the visible part of websites. It works alongside other technologies:
CSS (Cascading Style Sheets) for styling and layout
JavaScript for interactivity and dynamic content
Backend languages (like Python, PHP, or Java) for server-side processing
Together, these technologies form the foundation of modern web development.
Where did HTML come from?
Where did HTML come from?
HTML was created by Tim Berners-Lee in 1989 while working at CERN, the European Organization for Nuclear Research. The initial purpose was to create a system for sharing documents among researchers. This led to the development of the World Wide Web, with HTML as its core language.
Key milestones in HTML's history:
1991: The first public description of HTML
1995: HTML 2.0, the first standard specification
1997: HTML 3.2, which added tables and applets
1999: HTML 4.01, introducing stylesheets and scripts
2014: HTML5, the current major version, adding support for multimedia and mobile devices
Tim Berners-Lee, inventor of the world wide web.
https://webfoundation.org/about/vision/history-of-the-web/
How does a browser parse HTML?
How does a browser parse HTML?
When you visit a website, your browser follows these steps to display the page:
Fetching: The browser requests the HTML file from the server.
Parsing: The browser reads the HTML and constructs the Document Object Model (DOM), a tree-like structure representing the page's content and structure.
Rendering: The browser uses the DOM to display the page, applying any CSS styles and executing JavaScript.
Layout: The browser calculates where each element should appear on the screen.
Painting: The browser draws the final layout on the screen.
This process happens incredibly quickly, often in fractions of a second.
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