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If you must use a dropdown menu, make sure it’s keyboard friendly
Dropdown menus (a.k.a. flyout or DHTML menus) are not on my personal list of favourite features to use on a website. Many others seem to like them though, and that’s fine as long as such menus are implemented in an accessible way, which to a large extent means making them keyboard friendly.
Unfortunately, most dropdown menus I come across in the wild are not keyboard friendly.
Slightly older posts
JAWS has a weird way of recognising data tables
The heuristics used by the JAWS screen reader to determine whether a table is used for layout or data are quite strange.
Don’t fear the fold – people do scroll
If a web page is taller than the browser window, people do know how to scroll and will do so if they need to to find what they are looking for.
That’s a useful feature, but when can I use it?
Need to find out which browsers (and versions) handle a particle web technology? Don't have time to keep track of it by yourself. Don't worry. Help is available.
Safari, WebKit and alt text for missing images
Safari and most other WebKit-based browsers do not show alt text for missing or broken images unless it fits on a single line within the image's allocated width.
Use a background image in your CSS? Remember to specify a backup colour.
Whenever you place text on top of a background image, check if the text is readable if the image is missing and specify a background colour if necessary.
HTML 5 syntax
HTML 5 does not have the same strict syntax rules that XHTML does, which opens up for problems in teams of developers and makes teaching HTML more difficult.
XHTML 1.0 helped improve the Web
Jeffrey Zeldman on how the stricter and clearer rules of XHTML 1.0 made many web professionals improve their markup.
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