Data and Code for "Interpreting Progress in Web Accessibility: Longitudinal Automated Evidence Calibrated Against Disabled-User Studies"

This record contains the data and code supporting the article “Interpreting Progress in Web Accessibility: Longitudinal Automated Evidence Calibrated Against Disabled-User Studies.” It includes transcribed aggregate WebAIM Million and HTTP Archive Web Almanac data, a data dictionary, a study-level disabled-user evidence calibration table, reproducible Python analysis code, numerical outputs, and original figures. No participant-level, personal, identifiable, or copyrighted interface data are included. The annual data represent published aggregate snapshots and must not be interpreted as site-level longitudinal observations.