What is responsive web design?

Responsive web design is design that responds browser size for specific devices.  The design stays the same, but the images and text may change size.

What are its strengths and weaknesses?

The strengths of responsive web design are being about to automatically adjust (resolution, image size, and scripting abilities) the [...]

What is xhtml?

xhtml stands for extensible hypertext markup language. it is an extended version of of html; it is a more advanced version of html.

What are doctypes?

doctypes stands for a document type declaration. doctypes tells a web-browser what version of the markup language is in.

Why are good coding habits important?

good [...]