Top 10 Usability Blunders of the Big Players [Usability and Information Architecture]

Web usability is about creating your Website in such a way that your site users can find what they're looking for quickly and efficiently.
In March 2003, Philippe Randour pointed out the Top 7 Usability Blunders Of The Big Players:
1. No Search Function (Guilty party: NBA)
2. Massive Download Time (Guilty party: ESPN)
3. Non-scannable Text (Guilty party: Boeing)
4. Unclear Link Text (Guilty party: Real Player)
5. Poor 404 Error Page (Guilty party: Monster)
6. Visited Links Not Shown (Guilty party: About)
7. Frames Used (Guilty party: Ocado)
8. Links Point to the Current Page (Guilty party: Ford)
9. Important information contained in images (Guilty party: AOL)
10. Unique Scrolling System (Guilty party: BMW)

Read in details (Courtesy: SitePoint)