| HTML |
HTML5 |
| HTML Doctype declaration is lengthy. |
DOCTYPE declaration in HTML5 is simple. |
| HTML Character encoding is longer. |
HTML5 Character encoding declaration is simple. |
| Audio and video are not HTML parts. |
Audio and video are HTML5 part. |
| It is possible to draw a vector with the help of other technologies like Silverlight, Flash, VML, etc. |
Vector graphics are a part of HTML5, e.g., canvas, SVG. |
| It is impossible to get the actual Geolocation of a person browsing any website. |
JS Geolocation API in HTML5 enables you to identify the location of the user browsing any website. |
| HTML offers local storage instead of cookies. |
Html5 uses cookies to store data. |
| In HTML, it is not possible to draw basic shapes. |
In Html5, it is possible to draw basic shapes. |
| It allows you to run JavaScript in a browser. |
It enables you to run JavaScript code in the background. |
| You can use HTML with all old browsers. |
You can use HTML5 with all new browsers. |
| You can use browser cache as temporary storage. |
You can use application (database and web storage) Cache as temporary storage. |
| Web Socket is not available. |
You can establish full-duplex communication channels with a server using Web Sockets. |
| There is no process to handle structurally incorrect HTML codes. |
HTML5 supports persistent error handling via the improvised error handling process. |
| HTML is less mobile-friendly. |
HTML5 is mobile friendly. |
| Attributes like async, charset, and ping are not present in HTML. |
Attributes of async, ping, charset, and are a part of HTML5. |
| HTML does not allow drag and drop effects |
HTML5 allows drag and drop effects. |
| Offer new attributes like tabinex, id, tabinex, etc. |
These are certain attributes which are applied to HTML 5 elements. |
