Using HTML tags in JavaScript strings while complying with W3C rules...

Navigator.sendBeacon() to pass header information...

First rule of a "Well-Formed XML Document"...

Can a label only refer to input elements?...

unable to cope with the asynchronous nature of navigator.geolocation...

Time in W3C format...

Why do we use <script> for scripts, but not <style> for external CSS?...

HGROUP element removed from the HTML5 Specification. What alternative technique can be used instead?...

Hex representation of a color with alpha channel?...

How to make youtube embed code HTML valid for w3c validator?...

What is the most semantic way to display a street address in HTML?...

Is quoting the value of url() really necessary?...

Do modern browsers care about the DOCTYPE?...

How does web application restore original URL after HTTP proxy or load balancer?...

Is it valid to have paragraph elements inside of a heading tag in HTML5 (P inside H1)?...

How to make a "simple" GET request if the resource doesn't allow CORS?...

How to write good alt text for images to help screen reader and blind user to understand what is pic...

Where is addEventListener specced for DOM 2 HTML?...

Is there an online emulating screen reader tool to test against a custom web page?...

Fontawesome usage displeases W3C Validator...

What can service workers do that web workers cannot?...

How should I, according to W3C, put a canvas in clipboard?...

Can we use any other TAG inside <ul> along with <li>?...

What is the difference between 'containing block' and 'block container box' in CSS?...

Why does 'x-www-form-urlencoded' begin with 'x-www', when other standard content typ...

Alternative for innerHTML?...

How to check what is blocked through Content-Security-Policy?...

What does the "disown-opener" Content Security Policy directive do?...

How to understand the event which not dispatched by task queue in event loop of spec?...

Use of <picture> inside <figure> element in HTML5?...