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Differences Between HTML and HTML5


HTML is the Hypertext Markup Language, which is the widely-used programming language for web application or website development. HTML5 is the most recent version of HTML programming that allows better management of the web application or the website contents. While HTML doesn’t allows support for Video and Audio data in the programming language, HTML5 grants any kind of data to be incorporated in the program. In terms of browser compatibility, applications developed with HTML can be accessed in all the major browsers, and HTML5 is supported only in a limited browsers as it doesn’t contain all the tags and elements from the traditional HTML code.

What is HTML?

HTML stands for HyperText Markup Language. Browsers don’t reveal the HTML tags but used to render the content of the page. Hypertext is a unique method by which we can move around on the web by clicking on hyperlinks that open the next page. Markup is HTML tags such as opening and closing tags with text within them by which we can format the text, put hyperlinks, images, etc. HTML acts as basic building blocks for World Wide Web. HTML was created by Tim Berners-Lee in 1991 who is also the founder of the World Wide Web.

What is HTML5?

HTML5 released in the year 2014. HTML is kept on revising itself with more features to make the internet more accessible for the whole world. HTML5 is different from HTML, as all its features are supported across all browsers. HTML5 is recommended by W3C from 2012 onwards. It includes processing models, detailed parsing rules, error handling, canvas for drawing, and support for local storage. HTML5 starts supporting JavaScript API such as Geolocation API for identifying location, cross-platform mobile application support. HTML5 defines a single Markup language that can be written in either HTML or XHTML language syntax and supports backward compatibility to previous HTML versions.

Key Difference Between HTML and HTML5

Below are the highly significant Differences between HTML vs HTML5:

  • In HTML video and audio are not supported whereas in HTML5, video, and audio are integrated into it.
  • HTML is compatible with almost all browsers whereas HTML5 is supported by most of the modern browsers such as Firefox, Mozilla, and Chrome, etc.
  • In HTML, JavaScript and browser interface will run in the same thread whereas in HTML5 we can run JavaScript in the background with help of web worker API can run in different threads.
  • In HTML, vector graphics is supported with the help of other tools such as Silver light, Flash, etc. whereas in HTML5 vector graphics is supported by default it has canvas and SVG inbuilt.
  • In HTML5 applet tag was removed which is used for displaying applets and an object tag was introduced whereas, in HTML, the applet tag is being used.
  • In HTML <a> tag was used as an anchor as well as for referring to a link whereas in HTML5 <a> tag is used as hyperlink only.
  • In HTML, <acronym> tag was used for displaying abbreviation whereas in HTML5 this tag is replaced by the <abbr> tag which will be used for the same purpose.
  • HTML unable to handle inaccurate syntax and other errors whereas HTML5 is capable of handling the errors.
  • In HTML5, <table> tag can have only one attribute border, and value need to be zero or one whereas in HTML we can have many attributes.
  • In HTML, communication between client and server will happen using streaming and long pooling as it doesn’t have support for sockets whereas HTML5 has support for web socket through which full-duplex communication is possible between client and server.

Comparison Table HTML vs HTML5

Below is the Comparison table between HTML vs HTML5

Basis of comparisonHTMLHTML5
DefinitionHypertext Markup Language is an acronym for HTML which is a primary language for developing web pages.HTML5 is the new version of HTML which has new functionalities with Markup language as the core technology to interact with internet technologies for structuring and presenting the content.
Multimedia supportHTML doesn’t have support for video and audio in the languageHTML5 has the support for video and audio as they are integrated into it.
Geographical supportHTML has the support of tracking users location who are visiting the site but the process is cumbersome and difficult to find the users location when logged from mobile devices.HTML5 has using JavaScript Geolocation API which can be used to identify the location of any user who is accessing the website.
StorageHTML uses browser cache memory as temporary storageHTML5 has multiple storage options such as application cache, SQL database, and web storage. We can JavaScript in the background with help of JS API available in HTML5 for storing
CommunicationIn HTML, Communication between client and server was done through streaming and long pooling as it doesn’t have socket supportIn HTML5, it has support for web sockets which allows full duplex communication between client and server.
Browser compatibilityHTML is compatible with almost all browsers as it is existing from long time and browsers did enough modification to support all features in HTMLIn HTML5, we have many new tags, elements and removed/modified few tags, elements so only a few browsers are fully compatible with HTML5 as of now.
Graphics SupportIn HTML, Vector Graphics support is possible with the help of other tools such as Silverlight, Adobe Flash, VML etc.In HTML5, Vector Graphics is supported by default as it has canvas and SVG inbuilt.
ThreadingIn HTML, Browser interface with which user interacts and JavaScript are running in the same thread which will lead to performance issue.In HTML5, It has JavaScript web worker API which allows JavaScript and browser interface to run in different threads.
Error HandlingHTML cannot handle the inaccurate syntax and any other errors.HTML5 is capable of handling inaccurate syntax and other errors.
Comparison table between HTML vs HTML5


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