Paged.js is a free and open source JavaScript library that paginates content in the browser to create PDF output from any HTML content. This means you can design works for print (eg. books) using HTML and CSS!

Paged.js follows the Paged Media standards published by the W3C

The permanent nature of URIs

The goal of this document is to aid the development of rich and dynamic mobile Web applications. It collects the most relevant engineering practices, promoting those that enable a better user experience and warning against those that are considered harmful.

This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

Check links and anchors in Web pages or full Web sites