Web Accessibility Quantitative Metric

An accessibility evaluation metric that calculates a quantitative score for a website based on automatically generated evaluation reports. WAQM computes the failure rate for each tested page, then derives the overall website accessibility value by weighting pages according to their depth from the homepage using an exponential decay function, reflecting that pages closer to the homepage are visited more frequently and their accessibility problems affect more users. WAQM overcomes limitations of simpler metrics by incorporating score normalization and checkpoint priority weighting, and has been shown to achieve better performance in terms of validity, reliability, and adequacy compared to unweighted approaches.