Web Content Accessibility Guidelines (WCAG) are a set of guidelines and standards developed by the Web Accessibility Initiative (WAI) of the World Wide Web Consortium (W3C). The goal is es, to improve the accessibility of web content for people with disabilities. The WCAG specify how web content should be designed to be perceptible, usable, understandable, and robust to ensure an inclusive user experience. In addition to design guidelines, the entire structure of a website is also examined for accessibility.
WCAG have indirect SEO relevance. Search engines prefer accessible websites because they provide an improved user experience for all people. WCAG-compliant websites are better structured and more accessible, which can lead to longer dwell times, lower bounce rates, and higher conversion rates. In addition, accessible websites can appeal to a wider audience and benefit from positive user signals, which has a positive impact on traffic numbers. Finally, these KPIs also have an impact on search engine rankings.