Text resize widgets are redundant artifacts of the 20th century web, many being poorly designed an poorly implemented. While these widgets were intended to assist with accessibility, in reality, they not only fail to improve accessibility, but they also detract from site design and negatively affect site performance.

Learn why text resize widgets fail to adequately address accessibility concerns

When Marshall McLuhan coined the phrase “the medium is the message”, he referred to a concept which lends itself well to modern day web design. He contended that the medium in which a message is delivered affects how that message is perceived. In the same way, today’s web developers must select the appropriate font units for the medium where their work is presented. The choice of font units has a literal impact on how the message is perceived. Therefore, it is important for designers and developers alike to be aware of what units are available and when to use them.

Discover how to use relative font units to create flexible layouts