Where can I find ready-made optimized font styles for mobile/web/print design?

Question

Design

And so, a new project, a new design. Let's say the site needs to be drawn.
We choose a font suitable for the customer, we begin to torment him (the font, not the customer) - size, tracking, leading; we add a couple of styles for the title, subtitle, main text and see how it all looks in the browser.
The problem is that the contours of the letters are blurred, for example, at the title. It is clear that the letters did not fit into the pixel grid, anti-aliasing turned on and the title size needs to be changed. We change; after several iterations, we find the optimal font size, at which nothing is blurred and the font looks like it was carved in granite.
Lepota ...
Is there a site with ready-made font settings for different areas so that you do not have to manually look for the golden mean every time?
UPD Feb 17'16
Fresh:
https://playbook.cio.gov/designstandards/visual-style/
Good old:
https://www.google.com/design/spec/style/typograph...
Something like this is needed.