This course provides a solid foundation for building websites and mobile applications that work well for people with disabilities, in accordance with international standards, while improving the user experience for everyone. The course objectives are: - To explain how people with disabilities use the internet and smartphones; - Define the scope and relevance of accessibility; - Describe barriers; - Introduce relevant international standards and guidelines; - Explain how to conduct preliminary accessibility assessments; - Describe how to plan the implementation of a product considering its accessibility; - Introduce the fundamental concepts of accessibility for programmers; - Demonstrate and explain with accessible code allows people with disabilities to use the internet and mobile applications; - Teach programming techniques to ensure more affordable products.