1. Web technologies Session 1

2. Slide 1.1 Objectives for this unit  To develop participants’ knowledge, skills and understanding of web technologies  To consider progression in ‘Exchanging and sharing information’ through Key Stage 3 when designing and creating web pages and websites  To consider a range of approaches to teaching the use of web technologies in designing and creating web pages and websites

3. Slide 1.2  To develop participants’ technical knowledge and understanding of how data are transmitted across the Internet  To understand how a web-browser works  To consider the links to Sample teaching unit 8.2 Objectives for session 1

4. Slide 1.3 One obje 1/15 From RD To AB Number in sequence Number of packets Data Origin Destination Note: This is a simplified diagram to illustrate main concepts only. Packets, protocols and addresses

5. Slide 1.4 Bandwidth

6. Slide 1.5 Web designers should remember:  file sizes of pages should be as small as possible, to enable them to be transmitted quickly  pages that are slow to load frustrate users who will then move on to another site  users may move on before images, sounds or video clips have downloaded. Designing web pages

7. Slide 1.6  In pairs, reflect on the session so far and complete Handout 1.1. What does this mean for your teaching?

8. Slide 1.7  To develop participants’ technical knowledge and understanding of how data are transmitted across the Internet  To understand how a web-browser works  To consider the links to Sample teaching unit 8.2 Objectives for session 1