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Adrian Roselli
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All Posts Tagged: W3C

Alt Text on the Picture Element?

This is one of those posts that might interest only a few people and even then only if you are interested in a very specific aspect of this ongoing standard development. Yesterday I got into a conversation (just one of the messages) on the W3C Responsive Image Community Group mailing…

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Tags: accessibility, ARIA, html, standards, W3C

CSS Background Images & High Contrast Mode

This post was written in 2012, when Internet Explorer was still a browser in common use, Edge did not exist (in either form), and WHCM was not yet on standards track. If you are supporting IE or looking for historical support, then this article is for you. Otherwise I recommend…

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Tags: accessibility, browser, css, Internet Explorer, pattern, standards, W3C, WHCM

Twitter Cards Are Now Valid HTML

If you’ve used the Twitter web interface much you might have noticed that sometimes a tweet that links to a popular site includes previews of the pictures, or perhaps video, or even maps. For example, when I check into a venue on Foursquare and allow that to be auto-tweeted, the…

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Tags: html, standards, Twitter, W3C

Accessibility Bookmarklets and Tools

Testing accessibility on your web projects can be a tricky task if you have no firsthand experience with visual, audible, physical or even cognitive impairment. Having resources in the community is important as is tracking down the same tools in use in that community. Despite all this it’s nice to…

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Tags: accessibility, html, standards, W3C, WAI, WCAG

Image alt Exception Change Re-Re-Requested

Just over a year ago now I covered how the HTML5 specification is going to allow the alt attribute to be excluded from img elements under some very specific circumstances (Image alt Attributes Not Always Required in HTML5 and More on Image alt Requirement in HTML5). The one I am…

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Tags: accessibility, html, standards, W3C, WCAG, whatwg

Copying Content Styled with Text-Transform

Using the CSS property text-transform to automatically shift copy to uppercase has been popular for a while now, but a combination of a recent explosion in the use of that style and my slow move to Chrome as my default browser has caused me to regularly paste text into emails,…

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Tags: accessibility, browser, Chrome, css, fonts, rant, Safari, standards, W3C

Responsive Image Chaos

TL;DR: This is just a recap of what’s happening now. If you are up to speed as of today, you can just skip to my brief opinion. Background As I mentioned in my post iPad Retina Display Concerns and Tips, even Apple, with over a year of the Retina Display…

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Tags: browser, html, mobile, standards, W3C, whatwg

Don’t Blame Opera, Blame Devs

On Wednesday news broke that Opera was going to support some Webkit CSS vendor prefixes. On its surface I thought this wasn’t exactly big news. There was a good deal of hubbub about this back in February (Browser Makers Caving to Vendor Prefix Misuse) when word got out that Mozilla,…

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Tags: browser, Chrome, css, Opera, rant, Safari, standards, usability, W3C

WHATWG as W3C Community Group in Name Only

As of Monday, April 23, The W3C has announced that it is looking for a new editor for the HTML Working Group specifically tasked with shepherding HTML5 through the process until it reaches a formal recommendation. Ian Hickson (Hixie) made the request for a call for his replacement so he…

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Tags: html, patents, standards, W3C, whatwg

W3C CSS Odor Module Released

The web was always a visual medium, but with the addition of sound and video it has locked up two human senses. With development of specifications and techniques around vibration, the internet you “feel” is getting closer, too. That leaves only a couple senses left to cover Ever since the…

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Tags: browser, css, internet, standards, W3C

iPad Retina Display Concerns and Tips

TL;DR The iPad 3 retina display means a lot of apps and web sites are going to feel pressure for sharper (bigger) images. Knowing if you need to scale your images, the impact on end users and some ways to mitigate that impact is the right way to approach this.…

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Tags: Apple, apps, css, design, mobile, SVG, UX, W3C

Ongoing Misunderstanding of Flash and HTML5

The latest article that uses absolutes and broad generalizations to imply an otherwise non-existent struggle between Flash and HTML5 is from UX Booth, “What the Demise of Flash Means for the User Experience.” To be fair to this article, I see regular missives on Flash vs. HTML5 and this particular…

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Tags: Adobe, browser, css, Flash, html, JavaScript, mobile, rant, standards, touch, usability, UX, W3C