HTML

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HTML, or HyperText Markup Language, is a foundational element of the internet[2] as we know it today. It was proposed by Tim Berners-Lee in the 1980s, and has since undergone numerous revisions and updates. HTML is used to structure content on the web, from the text we read to the multimedia we consume. Various versions of HTML, such as HTML 2.0, HTML 3.2, and HTML 4.0, have been published over the years, each refining and expanding upon the capabilities of the previous versions. The most recent iteration, HTML5, was standardized in 2014 and includes a wealth of new features like video and audio support, local storage capabilities, and new semantic elements. HTML is also crucial for SEO (Search Engine Optimization[1]) and accessibility.

Terms definitions
1. Search engine optimization ( Search Engine Optimization ) Search engine optimization, commonly referred to as SEO, is a critical digital marketing strategy. Originating in the mid-90s, SEO involves enhancing websites to achieve higher rankings on search engine results pages. This process is essential for increasing web traffic and converting visitors into customers. SEO employs various techniques, including page design, keyword optimization, and content updates, to enhance a website's visibility. It also involves the use of tools for monitoring and adapting to search engine updates. SEO practices range from ethical 'white hat' methods to the disapproved 'black hat' techniques, with 'grey hat' straddling both. While SEO isn't suitable for all websites, its effectiveness in internet marketing campaigns cannot be underestimated. Recent industry trends such as mobile web usage surpassing desktop usage highlight the evolving landscape of SEO.
2. internet. The Internet is a global system of interconnected computer networks that use standardized communication protocols, primarily the TCP/IP, to link devices worldwide. Originating from the term 'internetted' used in 1849, the term 'Internet' was later used by the US War Department in 1945. Its development began with computer scientists creating time-sharing systems in the 1960s and further progressed with the establishment of ARPANET in 1969. The Internet is self-governed, without a central authority, and its principal name spaces are administered by the Internet Corporation for Assigned Names and Numbers (ICANN). It has significantly transformed traditional communication media and has grown exponentially over the years, with internet users increasing 20% to 50% annually. In 2019, over half of the world population used the Internet. The Internet protocol suite, which includes TCP/IP and four conceptual layers, guides internet packets to their destinations. Essential services like email and Internet telephony operate on the Internet. The World Wide Web, a global collection of interconnected documents, is a key component of the Internet.
HTML (Wikipedia)

HyperText Markup Language or HTML is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

HTML
(HyperText Markup Language)
The official logo of the latest version, HTML5
Filename extension
  • .html
  • .htm
Internet media type
text/html
Type codeTEXT
Uniform Type Identifier (UTI)public.html
Developed by
Initial release1993; 31 years ago (1993)
Latest release
Type of formatDocument file format
Container forHTML elements
Contained byWeb browser
Extended fromSGML
Extended toXHTML
Open format?Yes
Websitehtml.spec.whatwg.org

Web browsers receive HTML documents from a web server or from local storage and render the documents into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for its appearance.

HTML elements are the building blocks of HTML pages. With HTML constructs, images and other objects such as interactive forms may be embedded into the rendered page. HTML provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes, and other items. HTML elements are delineated by tags, written using angle brackets. Tags such as <img> and <input> directly introduce content into the page. Other tags such as <p> and </p> surround and provide information about document text and may include sub-element tags. Browsers do not display the HTML tags but use them to interpret the content of the page.

HTML can embed programs written in a scripting language such as JavaScript, which affects the behavior and content of web pages. The inclusion of CSS defines the look and layout of content. The World Wide Web Consortium (W3C), former maintainer of the HTML and current maintainer of the CSS standards, has encouraged the use of CSS over explicit presentational HTML since 1997. A form of HTML, known as HTML5, is used to display video and audio, primarily using the <canvas> element, together with JavaScript.

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