The web has evolved a lot since its boom in the late 90s. Especially web typography. Web typography deals with the font usage among websites. The clearer the font, the better.
Web typography deals with the line-height, text-spacing and colour, which are all text properties. Font styles and usage will greatly affect the design of a website as a whole. It can be boring or exciting.
There are still advancements in web typography, including using the image replacement technique. Using css, some use images rather than web type fonts. It enhances someone's site significantly. Of course the negative of this option is that text within images are not readable by search engines.
Regardless, good old web type fonts are best for corporate websites after a clean look.
With fonts like Arial and Times New Roman considered "default" fonts for some, there are other alternative fonts that web designers should consider. Here are my Top 4 (in no particular order):