If you want to keep users on your site, it is essential that the navigation scheme makes all of your content easy to find. A website with that users can navigate seamlessly will lead to longer visits and greater numbers of conversions. Let's look at a few examples.
Fixed Top Navigation
A navigation line of links fixed at the top is generally the most readable for users. Users tend to read from left to right, bottom to top. This style creates a familiar space for a user's eyes to land. A key decision is keeping the navigation restricted to the main areas of the site and avoiding the uses of sub-menu navigation links.
Domino's Pizza site is a good example of this simple but very readable approach:
A side navigation strategy can be a stylish alternative. When using side navigation it is important to not allow the content and navigation to crowd or clash with each other. This can work for a site with few top level navigation elements.
An excellent example of good use of side navigation is Zara:
3 Line/Hamburger Menu
A Line/Hamburger menu is almost always the best choice for the responsive(mobile) view of the home page. However, it can also work well on the desktop view. The advantage of using this menu scheme is that there is no invasion of the menu into the content section. However, the risk is that naive users may not find the menu.
Stylistically, a nice example of a Hamburger menu is the Papertelevision website. The contracted and expanded views are shown below: