Searching for Longdesc Support information? Find all needed info by using official links provided below.
https://www.w3.org/TR/html-longdesc/
longdesc can be present on an image within a hyperlink. This does not change the requirements on user agents, which must still enable the hyperlink to be followed. This does not change the requirements on user agents, which must still enable the hyperlink to be followed.
https://www.w3schools.com/tags/att_img_longdesc.asp
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML.
https://msdn.microsoft.com/en-us/library/mt346148(v=vs.85).aspx
[MS-LONGDESC]: Microsoft Edge / Internet Explorer HTML5 Image Description Extension (longdesc) Standards Support Document Describes variations from and clarifications to the HTML5 Image Description Extension (longdesc) specification. This page …
https://html.com/attributes/img-longdesc/
The longdesc attribute was a part of the HTML 4.0 specification. When HTML5 was first published, it was labelled as “obsolete.” Later, it was released as a recommended “HTML Extension.” So it is sort-of deprecated, and sort-of available for use. As of this writing, no mainstream browsers support it, so using it will have no effect on your page.
https://bugzilla.mozilla.org/show_bug.cgi?id=854848
We would like our Firefox users to be able to easily discover and take advantage of our long descriptions. The more user agents that support longdesc, the more known and thus used longdesc will become. Native Firefox support for longdesc would be great.
https://webaim.org/techniques/alttext/longdesctestcases.htm
Blank Pass/Fail cells indicate that long description is not identified (the proper behavior) - not because of the missing longdesc reference, but because there is no support for longdesc (i.e., the lack of support results in proper behavior - hard to call this a "Pass").
https://github.com/nvaccess/nvda/issues/809
Aug 04, 2010 · Support in tools, AT or otherwise, is an important step in ensuring access: the larger problem today with longdesc is that due to poor browser support, authors did not create longdesc content - lack of content makes AT vendors and browser vendors presume that there is …
https://chrome.google.com/webstore/detail/longdesc/haohljalgapbacpkfefnmhiadanhejmb?hl=en-GB
Jan 28, 2013 · The options page can be used to set link behaviour, highlight colour, style and width. Known problem/s: * Although only images with a longdesc attribute are highlighted, the contextual menu option is available from all images -- fixed at version 0.0.2. Fixed for mac at version 0.0.4 Any and all feedback very welcome.5/5(2)
https://karlgroves.com/2014/08/26/longdesc-where-are-the-alternatives/
Aug 26, 2014 · Historically, support for longdesc has been rather spotty. Back in 2000, WCAG 1.0 recommended using longdesc, but also acknowledged the lack of browser support and also recommended the use of what was called a D link. In practice, the D link probably saw more popularity than longdesc and its recommendation was pretty pervasive.
https://cookiecrook.com/longdesc/
Longdesc alternatives in HTML5. This page is intended to be a resource documenting alternatives (hopefully better alternatives) to longdesc in HTML 5. It is a work-in-progress and I will link example content below as I create it. If you have examples you'd like to contribute, please email me.
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