Top Ten Mistakes in Web Design

 1. Bad Search

Overly literal search engines decrease usability in that they're unable to handle typos, plurals, hyphens, and other variants of the query terms. Such search engines are particularly hard for elderly users, but they hurt everybody. A related problem is when searchengines oprioritize results purely on the base of how many query terms they have, rather than on each document's significance. Much better if your search engine calls out "best bets" at the top of the list particularly for important queries, such as the names of your products.

2. PDF Files for Online Reading

Users hate coming across a PDF case while browsing, because it break their flow. Even easy things like printing or saving documents are hard because standard browser commands don't work. Layouts are often optimized for a sheet of paper, which rarely match the size of the user's browser window. 

3. Not Altering the Color of Visited Links

A good grasp of past navigation helps you realize your current location, since it's the culmination of your journey. Knowing your past and present locations in turn create it easier to decide where to go next. Links are a key issue in this navigation process. Users can exclude links that prove fruitless in their earlier visits. Conversely, they might return to links they found helpful in the past.

4. Non Scannable Text

A wall of text is deadly for an interactive knowledge. Intimidating, Boring, Painful to read.

5. Set Font Size

CSS style sheets unfortunately give websites the power to disable a Web browser's "alter font size" button and identify a fixed font size. About 95% of the time, this fixed size is tiny, falling readability significantly for most people over the age of 40.

6. Page Titles with small Search Engine Visibility

Search is the most significant way users discover websites. Search is also one of the most significant ways users find their way around individual websites. The humble page title is your main tool to draw new visitors from search listings and to help your existing users to situate the specific pages that they need.

7. Everything That Looks Like an Advertisement

Selective notice is very powerful, and Web users have learned to stop paying attention to any advertisements that get in the way of their goal-driven navigation. Unfortunately, users also avoid legitimate design element that look like prevalent forms of advertising. After all, when you ignore something, you do not study it in detail to find out what it is.

8. Violating Design convention

When things always behave the same, users do not have to worry about what will happen. Instead, they recognize what will happen base on earlier experience. Every time you free an apple over Sir Isaac Newton, it will drop on his head. That's good.

9. Opening Fresh Browser Windows

Opening up fresh browser windows is like a vacuum cleaner sales person who starts a visit by emptying an ash dish on the customer's carpet. Do not pollute my screen with any more windows, thanks.

10. Do not Answering Users' Questions

Users are extremely goal-driven on the Web. They visit sites because there's something they need to accomplish maybe even buy your product. The ultimate failure of a website is to fail to offer the information users are looking for.

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