Top "W3c" questions

The World Wide Web Consortium (W3C) is an international community that develops and publishes specifications and guidelines that define technologies like XML, HTML, and CSS.

Why are preload link not working for JSON requests ?

The JavaScript on my website loads several JSON to initialize itself. I would like to preload them so, when the …

javascript json html w3c
Gecko/Firefox support for HTML5 Notifications

I'm wondering if there is any build-in support for the HTML5 Notification feature in Gecko browsers so far? Maybe some …

javascript html w3c specifications html5-notifications
What language types are allowed in the HTML script tag?

I was looking at the W3C specs for the script tag, and I noticed you can specify VBScript and …

html w3c script-tag
W3C don't validate Viewport

W3C don't validate my viewport meta tag any idea why? <title>DIDIx13</title> <meta …

html w3c w3c-validation
Can beforeunload/unload be used to send XmlHttpRequests reliably

recently, I had the urgent requirement to give my server a notice, that a specific page of my webapp is …

javascript html dom w3c specifications
Difference between <acronym> and <abbr>?

Definitionally they seem the same, yet they are deemed dissimilar enough by the W3C to have separate tag definitions. …

html w3c specifications acronym abbr
is -negative margin or padding invalid CSS according to W3C?

is -negative margin or padding are invalid CSS aaccording to W3C ?

css w3c w3c-validation
HTML Templates JavaScript polyfills

I'm looking for the most standards-compliant / future-proof method for front-end HTML templating. There exists a relatively new W3C draft …

javascript html w3c polyfills html5-template
Should SVG contents be visible outside an embedded <svg> by default?

In the past I answered a question about "who was wrong" in regards to SVG images not being "cropped" (overflow: …

html css svg w3c html5boilerplate
convert dom4j docment to W3c document

i'm need to convert an xml build with dom4j to w3c document and don't have any idea about …

java xml w3c dom4j