An introduction to web accessibility. Tips on how to improve your markup and provide users with more and betters ways to navigate and interact with your site. — If you don’t want to read the preface, jump right to the tips. This article is also available in Russian, thanks to Workafrolic, Korean, thanks to Yongui, in Portuguese, thanks to EmanuelG, and in Spanish, thanks to “Ibidem Group”. Personal development and change in perspective