Website accessibility has always been important, but nowadays, when we have clear standards and regulations from governments in most countries, it's become even more crucial to support those standards and make our projects as accessible as they can be.
The W3C recommendation provides 3 level of conformance:
AAA. To be at the
AA level, among other requirements, we have to provide a way to increase the site's font size:
… Read article “Best Way to Programmatically Zoom a Web Application”