w3schools isn't an alternative to w3.org. MDN (developers.mozilla.org) is. And s...

		pluma on May 12, 2015 \| parent \| context \| favorite \| on: Guide for Technical Development w3schools isn't an alternative to w3.org. MDN (developers.mozilla.org) is. And so is webplatform.org. w3.org is the W3C, the actual organisation that publishes the CSS and XML specs (and the versioned snapshots of the HTML spec).