For the website, I mainly use sans serif font because:
. Sans serif typefaces are considered more modern and include a variety of widths and shapes
. Sans serif fonts are considered to be easy to read from a screen and so are very suitable for body text on web sites. They are not quite as legible in print, so are used in headings, pull quotes and small tracts of text in magazines, books and brochures. You probably already have several sans serif typefaces on your computer.
. The mood and feelings most associated with sans serif typefaces are modern, friendly, direct, clean and minimal
Some of other researches in the sketchbook:

