Picking a font size for the web used to be really easy. 16 points and you’re done. You could feel confident that your content would be decently readable on PC or Mac, Netscape or IE. Man, have times changed.
Typography
What's the Best Font Size For the web? Well, It Depends… — Imarc
As a free and powerful web analytics tool, Google Analytics is more popular than ever. In fact, W3Techs estimates that about 53% of all websites today uses it — and so should you.