Choosing the right font is one of the most essential parts of design. Things to consider include: making content accessible and readable while maintaining the overall aesthetic balance of the site or project. A designer must make sure that text is not hard to read on any and all of platforms and browsers. Some of the key font elements to be aware of are: correct leading, spacing, amount of white space, color contrast and font sizes.
Here are some excellent (and free!) fonts for your typography collection. Enjoy!!