| A | B |
|---|
| HTML | First and primary language for web page development |
| HTML | Uses tags |
| HTML | For display only |
| XML | Describes data |
| XHTML | Aimed to replace HTML as dominate authoring language |
| XHTML | Uses cleaner codes |
| CSS | Can control formatting for an entire site. |
| CSS | Can alter the ability of some devices to display pages |
| Javascript | Allows you to create and execute procedures on a web page. |
| Javascript | Object based scripting language. |
