UX Designer Mistakes: Find and Fix
Do you want your site to leave only positive impressions on users? This will be difficult to achieve if you ignore the basic principles of UX design. But learning these rules is easy - especially since there are only five of them.
Five groups of potential mistakes in UX design
Forms for filling in information about the client. They are important and necessary, you can’t do without them, because it’s not possible to remember a person’s data in another way. But is it worth it to make life difficult for your clients by entering too many lines in this form? Make the filling process unbearable, include the name of the neighbor's first dog on the form, complete this cocktail with a mention of an error when all the information has already been entered - and be sure that the client will leave and not become tormented unless unique pink unicorns are sold here.
Irritation is easy to eliminate: think about what information you really need and indicate directly in the line an example of filling it out (auto-replacing text). By doing this, you will definitely win over 30% of competitors who confidently continue to create obstacles for the client on the way to the order.
And only after you have clearly explained the rules for filling out the form, you can “turn on” the error message. For example, if the nickname on the forum is busy, then this should be reported immediately, and not when all other data has already been entered. The same applies to weak passwords.
The site header is too large, disproportionate in relation to the rest of the information. 
If elements are required to be on the page, they should be small. And this is even more true if you are developing a page for a mobile gadget.
Low image contrast. Write in gray on gray and the user will never understand anything. A key factor in web design is contrast. Everything should be clear, understandable and clearly visible.
Fuzzy text. Readability is very important – for both smartphone users and PC users. This means that the font should be bold, not thin, and contrast. It is good when the letters are in harmony with the background in color, but stand out against it. Green with red also give a contrast, but completely unreadable.
Calls to action and buttons: notice and click easily. 
Highlight buttons that call to action: the user must “isolate” them from the general information flow and want to click.
Just keep in mind that on smartphones, buttons are pressed by touch. And if you put the call button in the corner, it will be difficult to press it.
Here, actually, and all potential errors. Keep them in mind when you develop UX design, and then the loss of customers along the way to the target action will be minimal.