Good typography is measured by how well it reinforces the meaning of the text, not by some abstract scale of merit. Typographic choices that work for one text won't necessarily work for another.
What makes a good or bad typography?
Good Typography is all about having a clean easy to read font makes the site user-friendly, helps create harmony and an information hierarchy. It is also important to remember the purpose of the text being used.
What is a good example of typography?
For example Garamond, Times, and Arial are typefaces. Whereas font is a specific style of typeface with a set width, size, and weight. For example, Arial is a typeface; 16pt Arial Bold is a font.