Using an asterisk to mark required fields is an easy way to improve the usability of your forms. Only marking optional fields makes it difficult for people to fill out the form.| Nielsen Norman Group
If you place text over a background image, make sure it’s readable by providing adequate contrast.| Nielsen Norman Group
To eliminate outdated information and make online shopping efficient, let ecommerce users easily update existing payment information within the checkout flow.| Nielsen Norman Group
Users ages 65 and older face unique challenges when using websites and apps. Digital literacy among this demographic is rising, but designs need to accommodate older users.| Nielsen Norman Group
Among high-legibility fonts, a study found 35% difference in reading speeds between the best and the worst. People read 11% slower for every 20 years they age.| Nielsen Norman Group