Transcript Factors Which Influence Performance of Web Browsing

BTEC IT Unit 28 - Lesson 04
Factors Which Influence Web
Browsing
Mr C Johnston
ICT Teacher
www.computechedu.co.uk
Session Objectives
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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
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When we are browsing the internet there are two different
sides –
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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.
User / Client Side Factors
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Your Internet Connection
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Hardware Using To Browse
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Choice, Age, Speed of Page Delivery, Support features, plugins,
security policy,
Security Software
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Type, Specification, Size of monitor (resolution), How interact, Age,
Connection method (wired/wireless), Type of router,
Browser Software
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Type, speed, ISP, Local popularity, Distance from exchange,
Features, firewall settings,
Other Home Factors
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Other users, position of router, house construction, other signals
Server Side Factors
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Server Internet Connection
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Server Hardware
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Type, Specification, Age,
Number of sites running on server
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Upload speed vital, DSL so is at least same as download speed
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:
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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)
Topic Exercise
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Produce notes which explain factors both server and user side that
influence the performance of a website.
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BTEC Book – p
Link #1, Link #2, Link #3,
P2 – Explain the user side and server side factors that influence the
performance of a website.
• For P2, you 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 you should also consider the
limitations of the equipment and software customers may be using to browse the
website.