Progressive enhancement and compatibility with non-JS web clients

When opening the web page https://libernet.es/ with a browser that has JavaScript disabled, there is nothing to see.

This also means that many crawlers will not be able to index the page, as well as other accessibility features of the web breaking.

Primarily it will be good to implement a way of progressive enhancement, that:

• allows to display a web page to non-dynamic visitors
• allows to add interactive features by progressively enhancing the web page with dynamic components