Pop-ups interrupt the browsing session of the visitors and require an instant feedback. Respect your visitors.
You don’t use too small font sizes.
Long passages are harder to read, and to read brief sentences readers need more time. It holds also for links, buttons, forms, search boxes and other elements.
Links have to be specific and lead to the destination they describe. unclear link descriptions should be avoided.
If designers don’t present this information in an appropriate way, visitors can have serious problems with site navigation.
Take a look at the picture and the labels below
Often less is more. Visual noise is probably one of the most typical problems large web-sites’ designers have to cope with. And it’s extremely easy to get it wrong.
If blinking images are wide-spread through the site, it’s extremely hard to focus on one single site element. Give your visitors an opportunity to identify your content. Using animated ads, don’t place them right along your articles.
You make it easy to contact you.
If visitors do want to get in touch with you, but can’t find any contact information, you lose their interest and trust.
Your links open in the same window.
Visitors want to have control over everything what happens in their browser. If they’d like to open a link in a new window they will. If they don’t want to, they won’t. If your links open in a new window you make the decision which is not your decision to make.