Use too many colors on your website

Make things look like they work do

Minimize the number of choices

Use hijack scrolling

Check your website for errors

Test your design

Make your website responsive

Design easy-to-use navigation

Use blinking text and ads.

Use horizontal scroll

Play background music or autoplay videos with music

Change the color of visited links

Engage users to scroll

Use generic photos of people

Use too many typefaces

Show automatic pop-ups too early

Make it easy to scan your pages

Use open internal link in new tabs

Let promotion steal the show

. Keep your interface consistent