Usability Criteria

 Information Architecture

• Are sections headings self-explanatory?
• Can sections headings be easily memorised?
• Do sections headings reflect without ambiguity the corresponding content?
• Is information grouped and structured in a way that assists finding it?
• Can information be retrieved in a reasonable time?

 Interface

• Are interface elements legible?
• Are interactive elements obviously click-able?
  
• Does the location of elements respects conventions?
• Is the location of elements consistent throughout?
• Are elements with different purposes grouped in distinct areas?
• Are top-level sections always available?
  
• Does the navigation system indicate the current page location?
• Is the local or sub-navigation above the fold?
  
• Does the page width impose horizontal scrolling?
• Is the use of frames limited?
• Is there any plug-in required?
• Do functions labels respect conventions?
• Are functions labels self-explanatory?
• Is help provided on how to use functions?
• Do processes respect conventions?
• Are processes broken down in steps when appropriate?
• Are required actions or choices grouped under relevant headers?
• Does the system respond in a reasonable time?
• Does the system provide constant and consistent feedback?
• Are error messages intelligible?
• Do error messages provide contact detail for assistance when appropriate?
• Can users cancel operations?
• Does the system offer different ways of personalising functions and information?
• Do functions reflect users' task flow?
• Do functions support users' tasks adequately?

 Content and Terminology

• Is the company activity obvious and understandable at once?
• Are contact details provided?
• Does each page have a unique and relevant title for book marking purpose?
• Is content useful and relevant?
• Is the terminology used clear and intelligible?
• Do specific terms always refer to the same information?
• Are headings and subheadings used?
• Is information broken down in paragraphs of reasonable sizes?
• Is sufficient content provided?
• Is pages length reasonable?
• For long documents, is there an alternative downloadable version?
• Are links labels identical to the labels of the element/location they go to?
• Is the usage of "click here" avoided, and relevant words used as links instead?

 Page Layout, Graphics and Colours

• Are the fonts used legible?
• Can the text size be increased or decreased?
• Is the contrast between text and background sufficient?
• Does the text alignment aids legibility?
• Is the usage of all capital letters avoided and title case used instead?
• Does the layout convey a sense of hierarchy?
• Does the layout facilitate scanning?
• Is the layout consistent throughout?
• Is relevant content at the top?
• Are significant elements highlighted?
• Do graphics contribute to the content?
• Are graphics legible?
• Are graphics link-able when appropriate?
• Do graphics have an alternative and meaningful text description?
• Are graphic sizes reasonable in respect of users' bandwidth?
• Do the colours used cater for people with visual impairment?

 Printability

• Are all pages printable on A4 paper, without cropping the content?
• If no, are alternative printable pages provided when appropriate?

 Download Time

• Do pages take more than 10-12s to download?