Accessibility
How a website becomes usable for everyone, and what the German Accessibility Act requires for it.
Articles
Everything I have written on accessibility.
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Alt text
Which image needs a description, which an empty alt, and why the logo is the most common mistake.
Read the article on alt text -
Accessible forms
Labels, field types and error messages — so every enquiry gets through.
Read the article on accessible forms -
PDFs on your website
Almost every business website hands out PDFs.
Read the article “PDFs on your website” -
Images
Images are the only area of a website where accessibility, loading time and search engine optimisation hang on the same adjusting screws.
Read the article “Images” -
Colour contrast
Thresholds, colour as a signal and the outdoor test — readable for everyone.
Read the article on colour contrast -
Link text
There is a test that shows the quality of your link texts in ten seconds.
Read the article “Link text” -
Typeface, size, line spacing
In every website project the typeface gets discussed.
Read the article “Typeface, size, line spacing” -
Try a screen reader yourself
You can read a lot about accessibility and still not understand what it is about.
Read the article “Try a screen reader yourself” -
Page structure
A website has two versions.
Read the article “Page structure” -
Keyboard access
The ten-minute test without a mouse and the failures it almost always finds.
Read the article on keyboard access -
Keyboard use
Some of your visitors do not use a mouse.
Read the article “Keyboard use” -
Heading structure
Why heading levels are an outline and how to check them in a few minutes.
Read the article on heading structure -
Writing clearly
Contrast can be measured.
Read the article “Writing clearly” -
Video, sound and motion
A video on the home page counts as a modern appearance.
Read the article “Video, sound and motion” -
Why forms are harder than they look
Almost every website has one.
Read the article “Why forms are harder than they look” -
When colour is the only information
Red means taken, green means free.
Read the article “When colour is the only information”