1. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Unit 28- Website Development Assignment 1- THEORY P2

2. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Overview Of The Unit Fancy That! is a business selling fancy dress costumes. They want to create a website to advertise their business with a catalogue the customers can look through. They hope in the future to sell their products online. They have asked you to produce a series of reference guides to help them understand the technical work and the security work that needs to be completed.

3. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Summary Of P2 For P2, learners will need to focus on the user and server side factors which affect website performance. A report which considers the benefits of particular server side capabilities for a company website would be appropriate, although learners should also consider the limitations of the equipment and software customers may be using to browse the website.

4. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Factors Which Influence Web Browsing

5. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Learning Objectives Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites.

6. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. How It All Works- Client Server

7. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Client Side vs Server Side When we are browsing the internet there are two different sides – – Client or User Side – Server Side Client side allows us to see websites through a browser and send requests to the server for web pages, Server side handles requests from made by users and send the web pages to your machine, The also process forms which you may submit through the browser, You need to be aware of factors in each which can effect the browsing experience.

8. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. User / Client Side Factors Your Internet Connection – Type, speed, ISP, Local popularity, Distance from exchange, Hardware Using To Browse – Type, Specification, Size of monitor (resolution), How interact, Age, Connection method (wired/wireless), Type of router, Browser Software – Choice, Age, Speed of Page Delivery, Support features, plugins, security policy, Security Software – Features, firewall settings, Other Home Factors – Other users, position of router, house construction, other signals

9. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Server Side Factors Server Internet Connection – Upload speed vital, DSL so is at least same as download speed Server Hardware – Type, Specification, Age, Number of sites running on server – Few paid for hosts are dedicated probably several sites running on same – is the servers load balanced properly?? Number of hits – especially simultaneously Files which make up the site: – Lots of small files better than few big ones – Optimise images so are correct size – web browser shouldn’t download image with large dimensions and shrink, – Correct file type with compression – JPGs not BMPs – Selective use of media (flash, video, sound) – correct format, compress, steam video if possible (progressive download rather than waiting for full file)

10. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Completing P2 Create a report called “The Factors Which Influence Web Browsing: Information For Fancy That” You need to add and describe the following sections: – Introduction – Client Side Factors Your Internet Connection Hardware Using To Browse Browser Software Security Software – Server Side Factors Server Internet Connection Server Hardware, Number of sites running on server Number of hits Files types – Conclusion

11. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Resources

12. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Resources To Help Understanding Web Performance and Bandwidth Understanding Web Performance and Bandwidth

13. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Download Speed What is download speed? What does the speed of a user's internet connection determine? http://goo.gl/w4eKQ What are the four different types of internet connection? What is dial-up? What is its average or or maximum speed of connection? http://goo.gl/yA4Mo http://goo.gl/vjgCp http://goo. gl/vYqPX http://goo.gl/YzUJDhttp://goo.gl/w4eKQhttp://goo.gl/yA4Mohttp://goo.gl/vjgCphttp://goo. gl/vYqPXhttp://goo.gl/YzUJD What is ISDN? What is its average or or maximum speed of connection? http://goo.gl/OQf9H http://goo.gl/MtJ79http://goo.gl/OQf9Hhttp://goo.gl/MtJ79 What is DSL? What is its average or or maximum speed of connection? http://goo.gl/4ka5B http://goo.gl/1ntK1 http://goo. gl/V8a8Mhttp://goo.gl/4ka5Bhttp://goo.gl/1ntK1http://goo. gl/V8a8M What is broadband? What is its average or or maximum speed of connection? http://goo.gl/ufDO2http://goo.gl/ufDO2

14. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. PC Performance Factors Browser – How does the web browser affect the download speed of a website? http://goo.gl/TCe3ihttp://goo.gl/TCe3i – What are the most popular web browsers available for fast surfing on the internet? http://goo.gl/lu6nghttp://goo.gl/lu6ng Processor Speed – How does the processor speed and the amount of RAM affect the download speed of a website? http://goo.gl/3o1AJhttp://goo.gl/3o1AJ Cache – What are the benefits of browsers having a cache? – How does the cache affect the download speed of the website? – What are the drawbacks of cache?

15. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. Web Server Capacity Available bandwidth – What is bandwidth? – What does bandwidth do? What is its purpose? http://goo.gl/MbSC6 http://goo.gl/xxAX2 http://goo.gl/rOy f4 http://goo.gl/98QNH http://goo.gl/aPJJ3http://goo.gl/MbSC6http://goo.gl/xxAX2http://goo.gl/rOy f4http://goo.gl/98QNHhttp://goo.gl/aPJJ3 – How can bandwidth affect website performance? http://goo.gl/jRcdHhttp://goo.gl/jRcdH Client side scripting (executions to be performed before page load) – What is client side scripting? http://goo.gl/VgFf3http://goo.gl/VgFf3 – What does client side scripting do?What is its purpose? Give 2 examples. http://goo.gl/1i9Nshttp://goo.gl/1i9Ns – How can client side scripting affect the download speed of a website? http://goo.gl/chbL7 http://goo.gl/JKOkyhttp://goo.gl/chbL7http://goo.gl/JKOky Number of hits (page views) – What does the number of hits refer to? – How can the number of hits affect the performance of the website? – What may need to be increased to cope with an increased number of hits?

16. TOPIC LEARNING BTEC Level 3 Unit 28 Websites Understand the difference between server side and user side capabilities, Know a range of different user side factors which will effect the users experience when browsing websites, Know a range of different server side factors which will effect the users experience when browsing websites. File Types Bitmap – What is a bitmap image file? http://goo.gl/k3yFLhttp://goo.gl/k3yFL – What does it do? What is its purpose? Vector – What is a vector image file? http://goo.gl/JauR9 http://goo.gl/71A8http://goo.gl/JauR9http://goo.gl/71A8 – What does it do? What is its purpose? jpg – What is a jpg image file? http://goo.gl/zkDEq http://goo.gl/4UU2Bhttp://goo.gl/zkDEqhttp://goo.gl/4UU2B – What does it do? What is its purpose? gif – What is a gif file? http://goo.gl/wbyfZ http://goo.gl/JXYsehttp://goo.gl/wbyfZhttp://goo.gl/JXYse – What does it do? What is its purpose? http://goo.gl/8Ekzthttp://goo.gl/8Ekzt wav – What is a wav file? – What does it do? What is its purpose? mp3 – What is a mp3 file? http://goo.gl/mZy4phttp://goo.gl/mZy4p – What does it do? What is its purpose? avi – What is an avi file? http://goo.gl/DA9cKhttp://goo.gl/DA9cK – What does it do? What is its purpose? swf – What is a swf file? http://goo.gl/wLUCb http://goo.gl/mFvsQ http://goo.gl/g4DR6http://goo.gl/wLUCbhttp://goo.gl/mFvsQhttp://goo.gl/g4DR6 – What does it do? What is its purpose?