validation of XHTML on site no warning and errors some errors repeated errors from different sources of validation a lot of errors A web site has to be coded with validating code. <title> all different with good summary of content all different with mostly good summary some are the same and/or provide lousy summary of content none Title elements have important usability properties for web site. links to the homepage consistent linking to home page all pages link to home page, but not consistently some pages don't link to homepage or some pages link to themselves problems with homepage links and self-links Title elements have important usability properties for web site. language informative clear and concise some writing is hard to understand some happy talk and/or marketese a lot of it The language on the web site has to be appropriate to the medium. fonts and appearance limited font changes and clear appearance some font family changes, unclear appearance gratuitous changes ransom note appearance The appearance of the web site has to communicate the meaning effectively. page layout pages consistently laid out pages consistently laid out, but some weird thing pages are inconsistently laid out pages are confusingly laid out The layout of the pages is supposed to communicate the meaning of the page. This criterion judges how will this is done. This is a page rather than site level evaluation. content chunking contents is well distributed, in resaonably similar-size chunks one page covers two topics several pages cover several topic poor page chunking The information on a web site has to be placed into pages. This criteron assess how well this is done. horizontal adaptability special attention to adaptability no special attention to adaptabilty poor adaptability table layout Web sites need to be flexible to the users' devices to avoid excessive scrolling. document talk none a little, where it appears tough to avoid careless use seemingly purposefully a lot Document talk on the web site must be avoided. aging mate rial, potential for tense rot none in one place, or in the same place on many pages in different pages, or places in different pages, with tense change A site must be written with a terms that allow it to stay static over time, if no update is assumed.