concrete5/concrete5-5.7.0 — pull request #1698 by Remo (2014-12-22 09:19:15+00:00)
Title: make it possible for google to render site

It seems that google needs access to JavaScript and CSS files in order to properly index a page. That's because it uses a headless browser to fetch the content of a website.

You can see the discussion about 5.6 here https://github.com/concrete5/concrete5/pull/1865/files

Seems to hurt your SEO ranking!