The following resources help you to estimate the proportion of the British population who would be unable to use a product or service because of the demands it places on the users’ capabilities.
Exclusion calculator
(External site)
Estimate the number of people unable to use a product or service because of the demands that it places on users’ capabilities. The tool involves estimating demands on a range of capabilities, including vision, thinking and dexterity.
This helps to quantify accessibility and prioritise improvements.
Clari-Fi
(External site)
Simulate the challenges of viewing small images on mobile screens.
SEE-IT
(External site)
Assess the visual clarity of text or graphics that are handheld. The tool involves examining visual clarity at different distances, and using this to estimate the proportion of the population who would be unable to see the design comfortably.
SEE-IT is best used within a browser on a mobile device.
Feedback
We would welcome your feedback on this page:
Privacy policy. If your feedback comments warrant follow-up communication, we will send you an email using the details you have provided. Feedback comments are anonymized and then stored on our file server. If you select the option to receive or contribute to the news bulletin, we will store your name and email address on our file server for the purposes of managing your subscription. You can unsubscribe and have your details deleted at any time, by using our Unsubscribe form. If you select the option to receive an activation code, we will store your name and email address on our fileserver indefinitely. This information will only be used to contact you for the specific purpose that you have indicated; it will not be shared. We use this personal information with your consent, which you can withdraw at any time.
Read more about how we use your personal data. Any e-mails that are sent or received are stored on our mail server for up to 24 months.