Web development is the coding or programming that enables website functionality, per the owner's requirements.\
It mainly deals with the non-design aspect of building websites, which includes coding and writing markup.
Web development ranges from creating plain text pages to complex web-based applications, social network applications and electronic business applications.

Why to learn Web Development?

1. Websites can target the biggest and broadest audience.
2. Distribution of your content is more flexible and agile with web development.
3. Rather than having to worry about cross-platform interfaces and capabilities across different marketplaces.
4. Your website only has to be built once with cross-browser support and it will be useable on every device.
5. Compatibility and performance issues will be limited to the browser capabilities.