3. Web usability is about making your website in such a way that your site users can find what they're looking for quickly and efficiently.
4.
5. To give the correct choices to the users, in a very obvious way.
6. To remove any ambiguity regarding the consequences of an action e.g. clicking on delete/remove/purchase.
7.
8.
9. Efficiency of use : Once an experienced user has learned to use the system, how fast can he or she accomplish tasks?
10. Error frequency and severity : How often do users make errors while using the system, how serious are these errors, and how do users recover from these errors?
12. Memorability : If a user has used the system before, can he or she remember enough to use it effectively the next time or does the user have to start over again learning everything?
13.
14. A web usability redesign can increase the sales/conversion rate by 100% (source: Jakob Nielson )
15.
16. The level of satisfaction an average user gets form a product.
31. Too hard to find the Back & start again Button
32.
33.
34. Next, users move down the page a bit and then read across in a second horizontal movement that typically covers a shorter area than the previous movement. This additional element forms the F's lower bar.
35. Finally, users scan the content's left side in a vertical movement. Sometimes this is a fairly slow and systematic scan that appears as a solid stripe on an eyetracking heatmap. Other times users move faster, creating a spottier heatmap. This last element forms the F's stem.
36.
37.
38. “get rid of half of the words on each page, then get rid of half of what is left”
39. Use searches as long as the results are relevant and well presented.
40. Make what I want available when I want it, and where I want it in the form I want it.
45. Much of our web use is motivated by the desire to save time. As a result, web users tend to act like sharks. They have to keep moving or they’ll die.