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Digital accessibility is a complicated and nebulous space, and it is difficult to know what a successful digital accessibility program looks like. Accessibility roadmaps can help developers and project managers understand where to start, but a Capability Maturity Model (CMM) is the best approach for measuring the degree of maturity a program has attained in managing and implementing accessibility.

Our proprietary Digital Accessibility Model (DAMM) provides a clear and concise method for measuring the proficiency of an accessibility program. The model is split into ten core dimensions, which define key areas which the accessibility program must implement, completely and effectively, in order to attain success. These dimensions are, in turn, divided into a set of aspects, which successful programs must also master at each level.

DAMM Definitions and Acronyms

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What is a Maturity Model?

A Maturity models defines how mature an organization is in addressing a business problem – in this case, accessibility. DAMM was developed in line with the Capability Maturity Model defined by Carnegie Mellon, using five levels with requirements for each to determine what level of maturity an organization has achieved with respect to accessibility. A Capability Maturity Model is often used to look at the maturity of software development processes, thus the model works well when applied to Digital Accessibility, which includes software development or acquisition as a major component.

Pyramid with 5 levels of DAMM Maturity - Initial, Managed, Defined, Quantitatively Managed, Optimizing