User-centred design (UCD) is a project-approach that puts the intended users of a site at the centre of its design and development.

It does this by talking directly to users at key points in the project to make sure the site will deliver upon their requirements.

I’ve found these 25 points Website Usability Checklist, very useful to use when you are working in a web redesign project.   There are many things to evaluate: Accesibility, Identity, Navigation and Content.
Accessibility
1. Site load‐time is reasonable
2. Adequate text‐to‐background contrast
3. Font size/spacing is easy to read
4. Flash & add‐ons are used sparingly
5. Images [...]

I was looking for some tools that can help me in my daily work and some others that I supposed I will use someday when I have the chance. So I make a little list of tools.  Most of the things I actually do are site maps and wireframes, I would like to participate in [...]