Five ways to increase website usability
Hyperlinks are mainly used to link pages referenced in page content. They can help with SEO and the usability of your website.
Basic Site search
Having a search function on every page of your website helps users navigate through your website quickly and easily.
Advanced site search
Having an advanced site search is helpful if your website has hundreds or thousands of products for your customers to look through. It helps speed up the search process for your users and increases usability.
Having an alphabetical index can help your users find pages on your site more easily (similar to a sitemap).
A site map is a visual model of a sites content that allows users to navigate through your website.