10 Usability ordeals you should be familiar with (Part 2)

6. Dead end.

You can use different approaches to introduce your new web-service to your visitors. Scriblink welcomes its visitors with a pop-up and a Java-applet. Visitors have to provide some input to start browsing through the site.


7. Content blocks wrapping each other simultaneously.

A common dilemma which always arrive, if large Flash-movies are used on large web-sites. The site navigation is hidden; whatever users might be willing to browse to — they have no chance.


8. Dynamic navigation.

What appears like a useful site navigation, exhibits itself soon enough from its unfavorable side. Never mind where you point your mouse pointer to — aiding images slide down and up and change the focus of the link you’ve clicked on.


9. Drop-Down Menus.

Drop-Down menus are useful for web-developers and almost always get on users’ nerves. If you — as a designer — hide navigation items in a drop-down menu you can save yourself a large amount of vertical space; however users have to focus the mouse precisely to get to the section they’d like to visit. It’s not usable.

However, it can be even worse. If the distance between different levels of navigation is too large (for instance because some navigation items have more text) users have to move the mouse horizontally. If the mouse focus changes its vertical position, users have to start from the beginning.


10. Blinking images.

At time you just want to read the content of a web-site you are visiting. And you can’t. To battle against the banner blindness advertisers create animated ads — mostly animated .gif-images or Flash-movies. In both cases it might become awfully hard to focus on reading if such images are blinking all around the content.



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