Sarah’s situation
Sarah is holding a baby in one arm.
She wants to read a long article, but she cannot hold her phone still.
So she listens to it instead.
Level 1
Lesson 03
Accessibility helps people with disabilities — and often makes technology easier for everyone.
Learning goal
Lesson 3 of 10
Section 3.1
Accessibility is often described as something built “for people with disabilities”.
That is true — and it matters.
But it is not the whole story.
Many accessibility features also make technology easier for people who do not have a disability.
Essential for some. Useful for all.
Source: W3C — Web Accessibility Perspectives(opens in a new tab)
Section 3.2
You have probably used accessibility features already — maybe without noticing.
None of these situations require a disability. They only require a barrier.
Section 3.3
Sarah is holding a baby in one arm.
She wants to read a long article, but she cannot hold her phone still.
So she listens to it instead.
Built for:Text-to-speech was built with blind users and people with reading difficulties in mind.
Also helps:It also helps Sarah, whose hands are simply full right now.
Section 3.4
Ahmed broke his arm last week.
Using a mouse is painful and slow.
He controls his computer with his voice instead.
Built for:Voice control was built for people with physical disabilities.
Also helps:It also helps Ahmed during a temporary injury — and anyone worried about repetitive strain.
Section 3.5
Omar is outside, waiting for a bus.
The sun is bright and the text on his screen is pale grey.
He cannot read the departure time.
Built for:Good contrast was designed with people who have low vision in mind.
Also helps:It also helps Omar, who is only standing in the sun.
Section 3.6
A tiny button is hard to tap accurately.
You tap once. Nothing happens. You tap again and hit the wrong thing.
Built for:Larger targets help people with limited dexterity or tremors.
Also helps:They also help anyone tapping on a moving bus or using a phone one-handed.
Section 3.7
A confusing layout slows everybody down.
Clear headings, clear navigation and a predictable structure make a page easier to follow.
Built for:Clear structure helps people using screen readers and people with cognitive disabilities.
Also helps:It also helps anyone in a hurry.
Section 3.8
You press Submit.
Nothing changes on the screen.
Did it send? Should you press it again?
Built for:Clear confirmation messages help people who cannot see visual-only cues.
Also helps:They also help everyone else who just wants to know what happened.
Section 3.9
Text that is too small, too tight or too long on a line is tiring to read.
Being able to change text size, spacing or colours removes that barrier.
Built for:Text customization helps people with low vision and people with dyslexia.
Also helps:It also helps tired eyes at the end of a long day.
Section 3.10
Complicated language creates a barrier.
Short sentences and familiar words make content easier to understand.
Built for:Plain language helps people with cognitive or learning disabilities.
Also helps:It also helps language learners, and experts reading outside their field.
Section 3.11
Imagine your mouse stops working right now.
Could you still finish what you were doing using only the keyboard?
Built for:Keyboard navigation is essential for many people with physical disabilities.
Also helps:It also helps anyone with a broken mouse, an empty battery, or a preference for speed.
Section 3.12
Our abilities change throughout life.
Vision, hearing, dexterity and concentration can all change as we get older.
Built for:Accessible design supports people whose abilities change permanently.
Also helps:It also supports the person you will be in twenty years.
Section 3.13
Ten short situations. Choose what could remove the barrier — you can retry any of them.
Section 3.14
Choose a feature to see who it can help. You can use the arrow keys.
One accessibility feature can remove barriers for many different people.
Section 3.15 · The big idea
It’s about making the Web work for more people.
Essential for some. Useful for all.
Knowledge check
Four short questions. You can retry any question — this is for understanding, not for scoring.
Quick challenge
Choose a feature and select everyone who may benefit from it.
Lesson 3 takeaways
Explore the sources
This lesson is written in our own plain language, based on the concepts explained by these resources.
Official short videos showing how accessibility is essential for some and useful for all.
Start noticing barriers.