W3C Working Draft 30 August 2012 This version: http://www.w3.org/TR/2012/WD-accessibility-metrics-report-20120830/ Latest version: http://www.w3.org/TR/accessibility-metrics-report/ Editors: Markel Vigo, University of Manchester Giorgio Brajnik, University of Udine Joshue O Connor, NCBI Centre for Inclusive Technology Citation: M. Vigo, G. Brajnik, J. O Connor, eds. Research Report on Web Accessib