This file contains the data of the study named "Measuring the Reliability of Automated Web Accessibility Scores: Web Accessibility Reliability Method" (WARM). This data is the result of validating a new reliable web accessibility evaluation method. The data is distributed in different Microsoft Excel sheets: a) Info: contains the introduction about the content of this dataset and input data. b) WARM Results' Summary: this sheet contains the summary of WARM calculations' results. c) Results_Table-AfCFTA: this sheet contains the WARM results for the AfCFTA's website. d) Results_Table-EU: this sheet contains the WARM results for EU's website. e) Results_Table-MERCOSUR: this sheet contains the WARM results for MERCOSUR's website. f) Results_Table-ASEAN: this sheet contains the WARM results for ASEAN's website. g) Results_Table-CEMAC: this sheet contains the WARM results for CEMAC's website. h) WARM Detailed Calculations.: this sheet contains the calculations of WARM for the five websites.

To reproduce this dataset, obtains the web accessibility scores and errors through the privided tools in the "Info" sheet and follows the calculaton process described in the "WARM_detailed_calculations" sheet.