Role of good web developers?

[sowmya]

A Web developer is someone who programs Web pages. A Web developer is more focused on the way a website works than how it looks. They typically use HTML text editors and work with databases and programming languages as well as HTML.

[hearty]

When It Comes to have A successful website At the End then role combined for both web designers and developers equally . Both Design and Coding part are Essentials for website ..
Developers work at back-end or coding part and uses programming language to improve Website interaction with Visitors by availing what they trigger ...
A Web Developer Makes Website Functional ....
Web designers and developer both are required
Also Read Difference Between both professional (http://www.slideshare.net/webdesigntips/web-designers-vs-web-developers-13909262) ..