Screen magnifier usability
The web through a magnifying lens
Screen magnifier users see the web through a magnifying lens. If they are magnifying the screen 8 times, they will only see 1/8 of the screen at a time. This can be very disorienting and important parts of a page can easily be missed. Most screen magnifiers can also read individual words out loud.
If you use a screen magnifier to browse royalmail.com and come across a problem, please let us know about it.
Forms

Because of the magnification, a screen magnifier only shows a small portion of the page. To make sure screen magnifier users don’t miss important parts of a form, at royalmail.com all forms are laid out in a single column. It should be enough to scroll down to fill in the whole form, not sideways.
Screen magnifier users can usually use a mouse but using the keyboard is often easier for them. So we make sure that forms can be filled in and sent off with just the keyboard. Use the TAB key to move from field to field and ENTER to send off the form.
It’s also important that when a screen magnifier clicks on a link, the result shows in the small window that they see right then. This is another reason for keeping pop-ups to a minimum because we can never tell if they will be within the screen magnifier’s current view.
Finally link texts must make sense even if the user hasn’t read all the text around it. “Terms and conditions” is better than “click here”.
Text
To make it easier to read text on our pages, you can use your browser to increase the text size. Our pages are tested with the text size increased up to two notches.
Increasing Text Size in Internet Explorer

- At the top of the browser, click on View to see the menu.
- About halfway down, click on Text size.
- Large or Largest will make the text bigger.
Increasing Text Size in Firefox

- At the top of the browser, click on View to see the menu.
- About halfway down, click on Text size.
- Click on Increase once or twice to make the text bigger.
Increasing Text Size in Safari on the Macintosh
On Safari, hold the Apple key and click on the + sign at the same time.
Images

Images with text, e.g. buttons, can be particularly tough for screen magnifier users because when they are magnified, they often become hard to read. We use large text or text that isn’t anti-aliased to make up for that. If the image still can’t be read, we make sure all our images have an “alt text”. Most screen magnifiers can read the alt text out loud.
Contrast
For people with limited vision, contrast is often very important. The more contrast there is between text and background, the easier it is to read. Black with white gives the best contrast. Buttons and graphic headings are tested to make sure they follow best practice for colour and brightness contrast.