Alt-texts: The Ultimate Guide

This post contains everything you need to know about alt-texts! When to use them and how to perfectly craft them. By me, Daniel, a web developer with vision impairment who use a screen reader in my day-to-day life.

Cat image with text: alt="Cute cat."

My experience of images on the web

I use a combination of magnification and screen reader when surfing the web. As a rule of thumb, I use magnification on larger screens and a screen reader on smaller devices.

I, like everyone else, come across many images when surfing the web. If I’m using a screen reader I depend on getting a description of the image – the alt-text – read to me.

Many times the alt-text is not helpful, often even a waste of my time because it doesn’t convey any meaning.

Let me illustrate this on The Verge’s startpage. This is what it looks like for sighted people:

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