1. Web Design (1) Terminology

2. Coding ‘languages’ (1) HTML - Hypertext Markup Language - describes the content of a web page CSS - Cascading Style Sheets - describe how the content should look

3. Coding ‘languages’ (2) Java Script used to add interactivity to web pages e.g. carousels for photos PHP - Hypertext Preprocessor (originally ‘Personal Home Page’) for ‘server-side’ programming e.g. databases of products for sale

4. ‘Client-side’ and ‘Server-side’ Client-side programming runs on the user’s machine Server-side programming runs on the server’s machine databases are often server-side

5. Browser a window on a computer monitor with a web page displayed in it. Some browsers: Explorer Chrome Safari Firefox Opera

6. The Internet and The Web The Internet network of connected computers called ‘servers’ because they ‘serve up’ documents on request The Web ( created by Tim Berners-Lee in 1989) operates within the Internet. To be part of the web, a computer must be running special web server software that allows it to handle HTTP (Hypertext Transfer Protocol) transactions.

7. Web Page Addresses URL (Uniform Resource Locator) every page on the Web has its own special address called a URL http://cu3awebdesign.eco-webdesign.org/index.html (protocol) (name of site) (absolute path) http – “get into web mode” www - not used for all web sites if no absolute path is given - server will look for ‘index.html’

8. Standards in Web Design W3C - World Wide Web Consortium sets standards, which (hopefully!) mean that coding in HTML, CSS & JavaScript will operate in all browsers.

9. Speed (Web Site Performance) Site performance is optimized by removal of unnecessary spaces keeping JavaScript to a minimum optimizing images