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unit 6 website evaluation criteria
Typology: Lecture notes
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P1: Compare the principles of web design used in two websites; include their suitability for the intended audience and intended purpose. โ What is the purpose and target audience? o Website โ provide information o Users โ visitors to the website โช Attraction to website โช Encouraged to make purchases etc. How? โช Persuade users to bookmark site โ increases probability o Commerce websites such as eBay, Amazon & online banking โ TA: consumers โช Allows users to carry out transactions easily and conveniently on PCs and mobile devices โ Principles of website design: o Usability o White space/ spacing o Site layout o Accessibility โ Alexa Traffic Rank o Navigation o Typography o Alignment o Clarity o Consistency o Accuracy o Content o Media and objects o Simplicity โ Compare the two websites! M1: Analyse how the principles of website design are used to produce creative, high performance websites which meet client requirements. โ Client: (person who commissioned the website. If the client is not happy, no money for web developer possibly) o Constraints (limitations of site) eg> money, staff training, security, maintenance and support, time o Nature of interactivity โ need balance. Too little โ lose users. For e-commerce websites, how will online transactions be performed: โช How will the user browse the catalogue? Eg> hierarchical fashion โ filter preferences โช How will users make purchases? TLS (encrypted info needed for payment), PayPal o Benefits โ Requirements of websites: o User-friendly โ easy-to-understand and use o Consistent โ colours, fonts, links, style, images o Navigational โ help users find information they require o Customisable โ keep users engaged o Responsive โ adapt to any web browser o Bandwidth utilisation โ sensitive mobile contracts, designers recognise how the contract will be used โ Principles of website design: o Usability o White space/ spacing o Site layout
o Accessibility โ Alexa Traffic Rank o Navigation o Typography o Alignment o Clarity o Consistency o Accuracy o Content o Media and objects โ position, colour, contrast, size, appropriateness o Simplicity โ Creativity & innovation: o Unconventional layouts o Unique animations o Good use of space by having scrolling o Golden ratio (1.62) โช Ratio โช Aesthetically pleasing โ Factors affecting website performance: o Where scripting runs โช Web server (server-side scripts) - interactive features, connecting to a database, slow experience, load on the server โช or local client machine (client-side scripts) โ extra interactivity without connecting to a web server โ Browser compliance: o Speed on different browsers o Advantages and disadvantages on each browser o Website consistency โ Server-side factors: o Bandwidth availability o File types โ compression o Number of hits โ Client-side factors o Upload and download speeds o Processor speed โ websites that rely heavily on client-side eg> JavaScript put a significant load on the userโs CPU. Connection speed determine download rate o Cache memory โ big memory = fast computer o Browsers o Interactivity โ Flash elements can affect speed but with 4G, fibre optics etc this is less of a problem. Previously it took time to download, now its standard D1: Evaluate how the principles of website design are used to produce creative, high performance websites which meet client requirements. โ Strengths and weaknesses of all the above