
Because we read books pretty close - often only a few inches away - they are typically set at about 10 points.

Nearly 9% of Americans are visually impaired, meaning their vision cannot be completely corrected with lenses.At age 40, only half the light gets through to the retina as it did at age 20.

If people won’t read it, or if they can’t read it or understand it, then what’s the point of having it? There are some particular findings that are pivotal to issues such as readership and readability and comprehension, which is really what body copy is all about. And the only way to tell them is with text. If you don’t explain what people should do, or why they should do it, then they certainly won’t. Especially the copy - because the copy is what convinces visitors to do whatever it is you want them to do on the website. So, every element should be designed to achieve that goal. Whatever the case, it’s a business asset, and ultimately it has to generate a return on investment.

Perhaps it’s to sell a product directly, or to offer a service, or just to generate leads. If you’re building a website for someone - even yourself - chances are its purpose is to make money. Applying Macrotypography For A More Readable Web Page.10 Principles For Readable Web Typography.8 Simple Ways to Improve Typography In Your Designs.You see, in most cases, if you’re building websites with the font size set between 10 and 15 pixels, you are costing your clients money.
