Safia Abdalla started a thread about problems encountered on the web by people with (any kind) of disability. It’s super insightful but there are hundreds of response so I thought I’d write a TL;DR organized in categories (TL;DR which is still long…).
Allow me to take this as an opportunity to link to this introduction to web accessibility I wrote.
Vision disability
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Someone explains their frustration about small font sizes that cannot be safely increased because it breaks the layout. A few persons — some with, some without ME / CFS — agree or express a similar statement.
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Some people extend the previous statement to include poor color contrasts, such as light grey on white background for instance or text on top of image.
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A colorblind person says color-coded interfaces are very hard to use (toggles, heatmaps, etc.). This statement is shared by several other people having the same kind of visually impairment.
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A person says that they would really need to be able to turn an article into plain text, so they can export it to their Kindle where they can read in optimal circumstances. Unfortunately, that’s usually not that easy. Another person says they copy and paste content in another program which has better reading abilities.
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A visually-impaired person has a lot of troubles with non-accessible CAPTCHAs. This limits which services they can use.
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A person suffering from chronic migraines says they turn down the brightness of their screen and/or wear sunglasses to browse the web. For a person with similar symptoms, sites and apps offering a night mode are fantastic. Another person mentions migraines and how they are often completely underestimated in webdesign.
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A person describing themselves as “visually challenged” says simply understanding the layout is sometimes difficult.
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A person apparently using a screen-reader says long navigation menus that get read out are annoying; websites should implement a “skip-to-content” link. They also say alt text for images and captions for videos should not directly repeat the text from the page.
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Someone says the lack of focus outline is a big problem for them when navigating with the keyboard, especially on links. They should not be removed (without replacement) because they “look ugly”.
Mobility & physical impairments
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Someone warns against the abuse of hovering effects and mouseover only interactions, such as opening a navigation menu.
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A person with Parkinson disease explains how mouse interactions are extremely hard to perform accurately.
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People with hand tremor say precise gestures such as double-clicking or tap-and-hold are difficult to perform.
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Someone having a cerebral palsy shares the same problem and literally cannot use a mouse because of that; they use touch screens instead.
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Someone says click/tap targets that are either too small to aim precisely, or (interestingly enough) bigger than they need to be (such as headline + excerpt instead of just headline) are sometimes hard to use.
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A person explains their fingers sort of stop working after a little while of using the computer / touch screen at which point they have to rely on voice-to-text.
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A person with deep pain in their elbow says the lack of keyboard support across the web is dramatic. Statement (unfortunately) shared by other people.
Cognitive & learning disabilities
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Someone with ADHD says they can’t focus as soon as there is a “subtle” animation always running. A lot of people suffering from ADHD to a certain level share the same opinion about animations.
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Along the same lines, someone wishes they could disable GIFs.
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Another person with ADHD says big walls of text can be difficult to get through. To work around this problem, they use text-to-speech. This is a common problem for a lot of people suffering from a large variety of impairments and disorders.
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Similarly, another person says Wikipedia is hard to browse as pages often consist of long paragraphs where they get lost very quickly. This person also resorts to text-to-speech.
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Another dyslexic person says that automatically moving scroll position really hurts readability. Anything that also removes the current text selection can be a problem.
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Someone with sleep disorder says they have to run f.lux (popular light & color adjustment software) as soon as 5PM, which makes them notice a lot of contrast issues (especially on links).
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A person with autism says they struggle processing audio input when they feel overloaded, making them rely on captions.
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The same person explains how some design choices can cause migranes or dizziness, which is unfortunate but not as bad as possible seizures triggered by heavily animated websites.
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Another person with cognitive disorder explain how autoplaying videos and moving ads can cause overload quite quickly.
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A person suffering from ADHD and autism joins in about automatically playing videos. Let it be said that this is also very annoying to anyone (although not damaging).
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A person with Asperger syndrom says certain types of humor are “hard to process”.
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Some people — some with ADHD or PTSD, some without — share their experience about zoning out and following links like Alice and the rabbit hole.
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A person suffering from epilepsy says how the lack of content warnings is a problem.
Hearing impairments
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A HoH person points out that not enough videos/audios are captioned, which is a shame because they are useful to more people than just HoH/deafs.
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Someone says they feel like we sometimes abuse the video media on the web and not everything has to be a video. Simple text often is just fine. It seems shared by a few people.