https:/
the advanced web font loading control offered by JavaScript still provides more than sufficient value to keep it around. You can adapt your page’s performance profile to suit a user’s network conditions, user preferences, improving the general loading behavior of self hosted fonts and third party hosting providers.
Web font file size study: a variable font addition
The sum is smaller than the parts. A variable font that has both normal and heavy (bold) weight (and also everything in between) is slightly smaller…
Subsetting.xyz — Type foundries that allow font subsetting
Subsetting removes unused characters from a font to reduce file size. For example, you might not use math symbols like ≤ and ∫, and removing them…
Identifying Font Subsetting Opportunities with Web Font Analyzer
In this article, we’ll explore some potential issues around font loading and the performance benefits of a lesser used feature - font subsetting.…
How many bytes is “normal” for a web font: a study using Google fonts
So here it is, folks, a web font file that supports extended Latin characters, your Às and your Ás and Â, Ã, Ä, Å... should weigh around 20K. Anything…
The Right Way to Use fonts.com Web Fonts
Let’s talk about web fonts. More specifically, about a mistake I have seen developers make in several projects for different agencies: Embedding a…
Zach Leatherman 
Stoyan Stefanov
Jeff Frankl
Paul Calvano
Matthias Ott