Greg Rickaby covers four basic principles…

Greg Rickaby covers four basic principles to simplify designing for accessibility, which can seem overwhelming at times: (1) If you write semantic HTML, browsers will do a lot of the heavy lifting; (2) Use the “label” tag a lot; (3) Don't rely on visual cues; (4) Make everything usable on a keyboard, mouse, and touchscreen.

On the same subject, Taylor Hansen has shared some WordPress plugins you can use to make your site more accessible. Taylor acknowledges that accessibility implementation probably won't be fast or easy: “Don’t feel pressured to meet every requirement on the first pass through your site.” Sound advice there.