I’m in academia and there’s a huge push about accessibility since Harvard and MIT got ADA suits because MOOCs weren’t screen-reader compliant. I’m trying to be a good citizen and include alt tags, but it seems that they are not showing up. They’re in the HTML, though, so I guess screen readers will …

Er… what? Look at the browser DOM. [图片] <img src="https://d11a6trkgmumsb.cloudfront.net/original/3X/4/f/4faf3120c821aa8e239fe74c8568ca4afaca6433.png" width="206" height="44" alt="this is an alt tag" title="This is the picture title"> In Markdown you do it this way ![Image text goes here](http…

Well, I see it now. It didn’t make sense that this could be a problem, but I swear that those weren’t showing up when I posted this.

Well, there is a slight difference between a reply inserted dynamically in the page in your browser when the reply is composed, and what is rendered to everyone else who reads it (or if you re-enter the topic, or refresh the page etc).

The Markdown fragment ![SPPM with RT Direct Lighting](upload://x1828bKPKA0BZDckEtlgeNFwad0.jpeg) does correctly produce an <img> tag with an alt attribute, however it would be nice if that image title or description would be shown when hovering over the image or clicking on it. Currently it’s not …

[图片] dictoon: it would be nice if that image title or description would be shown when hovering over the image or clicking on it. Currently it’s not shown anywhere I liked this reply and tried to find the github issue form, so, um, small bump.

What is being advocated here for is to duplicate the alt= and title= elements on the <img> tag but I remember reading that this is not recommended a bunch of places. For example http://www.w3.org/TR/html/dom.html#attr-title Relying on the title attribute is currently discouraged as many user agen…

I think the issue is more about which info lightbox uses to caption an image (the caption bar which appears on mouseover/touchscreen-press, and always visible in the gallery viewer). The lightbox caption bar currently appears to use info from a title attribute in a.class=lightbox, where that title …

Err, I see now looking more closely at the RAW , the HTML source, the ‘related note’, and follow-ups, how this ambiguously titled topic ended up conflating a feature change request with a non-issue. oops!

I opened a proper feature request for the idea of improving the lightbox overlay: Display an Image's alt or title attribute in ligthbox overlay

Image title and alt tags not displaying

支持

ad-si (Adrian Sieber) 2019 年10 月 9 日 15:26 10

我为改进灯箱覆盖层的功能提出了一个正式的功能请求：Display an Image's alt or title attribute in ligthbox overlay

话题		回复	浏览量
Understanding how "alt" attribute works Support	3	662	2022 年11 月 25 日
Display an Image's alt or title attribute in ligthbox overlay Feature	2	824	2019 年11 月 6 日
Automatically add a relevant alt image attribute Feature	12	1346	2024 年4 月 8 日
Support image captions - in addition to alt text Feature	9	331	2026 年1 月 17 日
Add ALT tag to images Support	7	135	2025 年4 月 10 日

Image title and alt tags not displaying

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