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Web Design Why is design important for the web? Traditional systems You controlled the user You know exactly who you are designing for You know the exact screen spec Web Pages…. You don’t know how they got there – via home page or direct Search Engines Bookmarks Planning the site.. Design your site What are your goals for the site? Who is the audience for the Web site? Is a web site useable If its not, then it will not attract visitors How will you measure the success of your site? Consider the purpose of the site Test the site with users Design Principles Useable Colour Layout Predictability / Consistency / Guidance not control Economy - Minimum number of steps necessary Accessibility Making it available to all Web Page Design Storyboards / screen mockups Flow Charts / Page linkage Storyboards A4 piece of paper, pen, Post-it Notes PowerPoint with notes view on Needs details of fonts, sizes, style sheet, pictures, text Should be able to pass it to someone else and they build it Rough example Advantages and Disadvantages of Storyboards Advantages Paper based so quick to draw Application independent Little or no skills required ! Disadvantages Does not provide a realistic front end Does not provide full functionality Difficult to change (rub out!) Designing a template Gets your style sheet sorted Build with rubbish content – just for page layout http://www.soc.staffs.ac.uk/flk1/test/test.htm A web site map / Flow chart Drawn by hand / Done On Computer Shows navigation through the web site Can end up being a spiders web mess Home About Us Company info Products Multi-Dimensional Map Home Products CD DVD Company Map Latest Offers Design Aspects Colour Colour 16,777,216 65,536 256 January 2006 81% 16% 3% July 2005 77% 20% 3% January 2005 72% 25% 3% July 2004 69% 28% 3% January 2004 65% 31% 4% July 2003 55% 40% 5% January 2003 51% 44% 5% October 2002 49% 46% 5% 2006 Source: W3 Schools Colour and Design Colour is very effective for highlighting, but must be used carefully. Don’t use too many colours on one screen Be consistent across the whole system one colour should not be used for more than one purpose. Colours which clash should be avoided e.g. purple with pink. Colour Blind Care should be taken as 1 in 12 men and 1 in 200 women are colour blind. Colour Blindness http://www.vischeck.com/ http://www.iamcal.com/toys/colors /index.php Hats. As seen by a person with As seen by a person with protanopia, another form deuteranopia. of red/green deficit. Presentation And Contrast Positive presentation is when the background is fairly subdued, i.e. white background, dark text Negative presentation – dark background, white text. Bright colours can be too much in blocks. Consider panels Panels Fonts Type Face Font Size to be readable - clear and not unusual Use default or range of fonts as the default Don’t use more than 2 fonts on a page (unless you are displaying computer code then a third font is ok) Some fonts can be difficult to read, and should be avoided. Left Justified most of the text – can centre or right justify a few lines for effect Contrast foreground to background Avoid blinking, zooming or moving text Mac or PC – spacing and fonts.. Font size W3C recommends that you let users set the base font size in their browser and that you set all sizes using "em". Using em, if the user-set default is 12-point, then a 2-em text indent would be 24-point, but if the user used the text zoom feature of the browser to change the size to 16point, the indent would change to 32point. Browser font size.. http://www.soc.staffs.ac.uk/flk1/test/font.htm