HyperText Markup Language or simply HTML is the markup language used by web developers to create web pages. It is written in the format of HTML elements containing tags bracketed in angle brackets like ‘<html>’. These tags use in pairs like <h1> and </h2>, although there are some empty elements as well and that is the requirement, like <img>. Web browsers can read HTML files and render them into visible or audible web page. Web browsers don’t display HTML tags and scripts, but use them to interpret the content of the page. HTML describes the structure of a website semantically along with cues for presentation, making it a markup language, instead of a programming language. HTML elements form the structure blocks of all websites. It allows images and objects to be embedded and can be used to create interactive forms. HTML 4 amplifies HTML with systems for templates, scripting, outlines, installing objects, enhanced backing for the right to left and blended course message, wealthier tables, and upgrades to structures, offering enhanced openness for individuals with handicaps. HTML 4.01 is an amendment of HTML 4.0 that redresses mistakes and rolls out a few improvements since the past modification. This adaptation of HTML has been composed with the assistance of specialists in the field of internationalization, so records might be composed in each dialect and be transported effortlessly around the globe. This has been refined by consolidating, which manages the internationalization of HTML. One imperative stride has been the appropriation of the ISO/IEC: 10646 standards (consider [ISO10646]) to be the record character set for HTML. This is the world’s most comprehensive standard managing issues of the representation of global characters, content course, accentuation, and other world dialect issues. HTML now offers more noteworthy backing for differing human dialects inside a record. This takes into account more successful indexing of archives for internet searchers, higher-quality typography, better content to-discourse transformation, better hyphenation, and so on. Via painstakingly outlining their tables and making utilization of new table elements in HTML 4, creators can help client specialists render archives all the more rapidly. Creators can figure out how to plan tables for incremental rendering (see the TABLE component). Practitioners ought to counsel the notes on tables in the addendum for data on incremental calculations.
HTML5 is the fifth version of HTML and is a core technology markup language of internet that is used for structuring and presenting the content for WWW. It is the latest, final and complete version of HTML standard of the W3C (World Wide Web Consortium). It is the successor of HTML4 that was standardized in 1997. The aim of HTML5 is to improve the language by support of latest multimedia while keeping it user friendly and easily readable by humans and consistently understood by computers and devices such as web browsers parser, etc. HTML5 is intended to subsume not only HTML4, but also XHTML 1 and DOM Level 2 HTML. HTML5 is a response to the fact that the HTML and XHTML in common use on the WWW are mixture of features launched by multiple specifications, along with those launched by software products such as web browsers, those established by common practice. HTML5 is a markup dialect utilized for organizing and displaying content on the World Wide Web. As the name implies, the HTML 5 is the fifth and current form of the HTML standard. It was distributed in October 2014 by the World Wide Web Consortium (W3C) to enhance the dialect with backing for the most recent interactive media, though keeping it effortlessly coherent by people, and reliably comprehended by PCs and gadgets, for example, web programs, parsers, and so on. HTML5 is proposed to subsume HTML 4, as well as XHTML 1 and DOM Level 2 HTML. HTML5 incorporates nitty gritty preparing models to energize more interoperable usage; it augments, enhances and legitimizes the markup accessible for archives, and presents markup and application programming interfaces (APIs) that are used for the complex web applications. For the same reasons, HTML5 is likewise a contender for cross-stage portable applications, since it incorporates highlights outlined with low-fueled gadgets, for example, cell phones, and tablets. Numerous new syntactic components are incorporated. To locally incorporate and handle interactive media and graphical substance, the new <video>, <audio> and <canvas> components were included, and bolster for adaptable vector design (SVG) substance and MathML for scientific equations. To advance the semantic substance of records, new page structure components. New properties are presented, a few components and characteristics have been evacuated, and others, for example, <a>, <cite> and <menu> have been changed, re-imagined or institutionalized. The APIs and Document Object Model (DOM) are presently essential parts of the HTML5 specification and HTML5 additionally better characterizes the handling for any invalid reports.
- Audio and video were not part of previous HTML version specifications, however, both are the integral part of HTML5 specifications.
- Vector graphics is also an integral part of HTML5 such as SVG and canvas while vector graphics is possible in HTML with the help of various technologies such as VML, Silver-light, Flash, etc.
- In HTML, browser cache can be used as temporary storage. In case of HTML5, application cache, web SQL database, and web storage is used.
- HTML works smoothly with all old browsers while most of the modern web browsers have started supporting HTML5 specifications. These browsers include: Firefox, Mozilla, Chrome, Opera, Safari, etc.