[IEEE 2016 Joint Conference of the International Workshop on Software Measurement and the International Conference on Software Process and Product Measurement (IWSM-MENSURA) - Berlin, Germany (2016.10.5-2016.10.7)] 2016 Joint Conference of the International Workshop on Software Measurement and the International Conference on Software Process and Product Measurement (IWSM-MENSURA) - Measuring the Accessability Based on Web Content Accessibility Guidelines