I've described all my images since I've learned about alt-texts, and I put more effort and knowledge into them than anyone on Mastodon; CW: long (almost 8,700 characters), Fediverse meta, Fediverse-beyond-Mastodon meta, alt-text meta, image description meta, character limit meta Artikel ansehen Zusammenfassung ansehen
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David Mitchell :CApride: Now listen here.
Ever since I've learned about alt-texts and image descriptions, I've described all my images. And unlike most Mastodon users, I've improved my image-describing further and further.
Whenever I learned something new about image descriptions, be it a rule, a guideline, a good practice or a Mastodon preference, I used this new knowledge in new image descriptions and declared all my previous image descriptions obsolete. And I've learned a lot over the years.
I've learned from Mastodon that if explanations are necessary to understand an image, they must be delivered immediately with the image post. Ever since, I've explained everything in my images that needs explaining. And since all my image posts are about extremely obscure niche topics, they need a whole lot of explanations.
I've learned from a physically disabled Mastodon user that not everyone can access alt-texts. She, for example, can't. Thus, explanations in the alt-text are lost to her. I've learned from her that explanations go into the post text. I've put all my explanations into the post text ever since.
I've learned from Mastodon that Mastodon tends to love long, detailed image descriptions. Considering how obscure the contents of my original images are and how nobody knows what anything in them looks like if they don't see it, I came to the conclusion that someone somewhere out there might need full, detailed descriptions. I've given my original images full, detailed descriptions ever since.
I've learned from various sources that alt-text must only describe what's important within the context of a post. But judging from my observations of Mastodon, its culture and its love for long alt-texts override this rule. If someone wants to know about all the small details in your images, the context doesn't matter. Thus, how detailed my image descriptions are depends on whether or not I have to expect someone being curious about the details.
I've learned by experimentation that Mastodon truncates long external alt-texts from outside at the 1,500-character mark. Also, Hubzilla (where I am) can only display so many characters of alt-text, and alt-text cannot be scrolled. Since the audience of my alt-texts is pretty much exclusively on Mastodon, I've put the full, long, detailed image descriptions into the post text.
I've learned from a blog post that alt-texts must never contain line breaks. Line breaks in alt-texts have a nasty side-effect for screen reader users: After each line break, screen readers assume that they're reading a new alt-text for a new image. And they start whatever they consider an individual image alt-text with something like, "Graphic." Thus, I write all my alt-texts as one single paragraph.
I've learned from another blog post, as well as personal experience with various Fediverse server applications, that alt-texts must never contain the double quotes commonly found on keyboards. Different frontends may misbehave in different ways, some fail very ungracefully. Thus, I no longer use these quotes in my alt-texts.
I've learned from Mastodon that even if there is an image description in the post text, there must always be an accurate and sufficiently detailed image description in the alt-text regardless. Otherwise you risk being sanctioned. I have described all my original images twice ever since: with a long and fully detailed description in the post text and a shorter description in the alt-text.
I've learned from blog posts and websites about alt-texts that text in images must be transcribed verbatim. However, nowhere that I've seen this rule written down, I've seen it mention text that's unreadable in the image while the author knows what's written there. My conclusion is that there is no exception for these texts. I tend to have many such texts. Thus, I transcribe all bits and pieces of text within the borders of my images if I have a way to read them. And I usually have.
I've learned from other blog posts about alt-texts that colours must not only be mentioned in image descriptions, but they must also be described. After all, blind people cannot be expected to know what e.g. Burgundy red is. Also, dimensions must be given not simply in absolute measures, but relatively to what else is in the image or to something that everyone is familiar with, namely the human body. Unfortunately, I've learned that so recently that I only have one original image post in which I make use of these techniques; hence, all my older original image posts count as obsolete.
I've learned from yet elsewhere that races must not be mentioned, and genders must not be assumed. I abide by both when describing meme images. My original images, on the other hand, never contain actual human beings. Whenever I show an avatar, it's always one of my avatars whose gender I have personally defined, and these avatars can't really emulate real-life human phenotypes.
Most of the above has never been taken into consideration by anyone on Mastodon. I'm literally the only one in the Fediverse who takes describing images to such levels.
But I go beyond alt-texts and image descriptions.
I've learned from Mastodon that if there's something,
anything in a post of yours that might disturb anyone in some way, the post requires a Mastodon-style content warning that mentions in which way the post is disturbing. Here on Hubzilla, that's a summary. It's the same thing, and Hubzilla had summaries before Mastodon had CWs.
From observing both Mastodon and the Web outside the Fediverse, I've compiled a list of potentially triggering topics. Even excluding national/state/provincial/regional politics, I've gathered 111 of these so far. I do my best to include each one whenever necessary. On top of that, I add CWs for many things I post about because I guess I go onto people's nerves when I post about them (the Fediverse, alt-text, image descriptions, hashtags, character limits, quote-posts, actual quote-posting etc.).
However, Hubzilla is not a Twitter wannabe. It's more like Facebook or blogging software. It only offers a summary (Mastodon: CW) field for posts and DMs, but not for comments (it has two different editors for when you reply and when you don't). I could try to add a summary (Mastodon: CW) using a pair of BBcode tags, and I've done so here, but I know from personal experience that the summary tags do not translate to a Mastodon CW in comments. I'd add an individual CW to each one of my comments, but Mastodon users will neither get an actual CW nor understand that I've tried.
So I double almost all my CW'd topics up with an appropriate set of hashtags. This is in line with the culture where I am: Here on Hubzilla and in its whole software family, we don't force poster-side CWs upon each other. Instead, we have them automatically generated for ourselves, reader-side, tailored to our individual needs. But this requires keywords to trigger the automated hiding of content behind CWs.
Also, I know just what may disturb people. The best example is eye contact. You think that eye contact can only be triggering in full-face portraits of a person looking directly at the viewer? Wrong! It's triggering if there's at least one eye in the image. I've been told that some people in the autistic spectrum can detect an eye in an image if it's only a tiny fraction of a pixel. I have to expect this to extend to other potentially triggering things as well.
Thus, if it's potentially triggering and somewhere within the borders of one of my images, even if it's hardly discernible or completely invisible to the neurotypical, I still consider the whole image potentially triggering, and I treat the image and the whole post as such.
In fact, I've stopped posting potentially triggering images here on Hubzilla altogether. That's because Hubzilla has no way of making Mastodon blank an image out. And not long ago, Mastodon's CWs only hid the post text, but not the images belonging to a post. I can't rule out that certain Mastodon apps still behave this way. So I can't even use CWs to hide a triggering image. This is why I only ever post images on (streams) now: (streams) makes Mastodon blank images out when a post contains one or two certain hashtags.
Again, nobody on Mastodon goes even only nearly that far.
Please tell me in which ways exactly this is still insufficient.#
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