I’ve added a You Tube video to my Creativity page – it’s A History of Typography – a short animated film well worth 5 minutes of your most valuable resource.
If you’re interested in changing or experimenting with the fonts on your (self-hosted) web site, have a look at Google Fonts – a treasure trove of fonty goodness to play with there.
And if you want to load them into your Word Press theme, have a look at this WordPress.org plugin, WP Google Fonts – I’ve used it for a while and it works perfectly. Plus, you don’t have to know anything about coding to install and use it.