Probably the most popular and used Google Font, Roboto is a great alternative to web safe fonts like Arial or Helvetica.
Clean, classy and readable, Montserrat is a great choice for a blog or website. It can be used for paragraphs, headings, or both.
Another very clean font which will be the perfect successor to the endless amounts of Arial and Helvetica fonts on websites. Libre Franklin is the font I chose for the 2017 version of CatsWhoCode theme.
Source Code Pro
When you want to display code in WordPress or any other kind of site, you need a very readable monospaced font.
Open Sans is optimized for print, web, and mobile interfaces, and has excellent legibility characteristics in its letterforms. No wonder why many designers rely on it when it comes to building beautiful and readable websites.
Quick tip: speed up your site when using Google Fonts
Although Google Fonts is a great solution for using free quality fonts on your website, there’s something I don’t like: When you add a Google Font to your website using the provided code:
<link href="https://fonts.googleapis.com/css?family=Rajdhani" rel="stylesheet">
It actually creates an additional HTTP request. And in your quest to make your site fast, minimizing HTTP requests is a must.
So what to do? Simple, just type the stylesheet url in your browser address bar:
And then, copy and paste the content of the stylesheet in your site