Typography of Vimeo
The font used for vimeo.com is sans-serif. A simple font gives the user a clear read. Vimeo.com does a great job with finding a balance between the variability of screen font and legibility by using Verdana.
Verdana is designed specifically for legibility on the computer screen; they have exaggerated x-heights and are very large compared to more traditional typefaces in the same point size. (Typefaces)
This font is on virtually all web browsers, so the font will appear regardless of which program a user decides to open vimeo.com with.

Use of White Space
A key characteristic of vimeo.com is it's legibility. The designers of Vimeo acheived this through the use of white space. Generous white space allows for a user to find what they are looking for quicker, and more efficiently. Look how the use of white space makes reading this blurb easier.