Layers (Cambridge (CIE) IGCSE ICT)
Revision Note
Layers
What are layers?
A webpage is made of three layers, a layer is one specific part of a webpage
A benefit of a layered approach is that issues can be addressed independently
This allows teams to specialise in each area and work efficiently
Webpages consist of a:
Content layer
Presentation layer
Behaviour layer
Content layer
The content layer forms the structure of a web page
This is where text, images, and other content that make up the body of the web page are entered
It's typically constructed using HTML (Hypertext Markup Language)
Presentation layer
The presentation layer is used to display and format elements within a web page
It controls how the content looks, including layout, colours, fonts, and more
This layer is mainly handled by CSS (Cascading Style Sheets)
Behaviour layer
The behaviour layer uses scripting languages to control elements within a web page
It enables interactive elements and complex functionality, such as form validation, image sliders, and dynamic content updates
JavaScript is the primary language used for the behaviour layer
Worked Example
Web development layers are used when designing web pages. An example of one of the layers is the presentation layer.
Name the other two web development layers.
[2]
Answer
Content/Structure [1]
Behaviour/Scripting [1]
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