Usability is an indicator of the simplicity and ease of use of an Internet resource, a certain measure of friendliness, regardless of what type it is - an online store, a landing page or a business card site. If a user cannot figure out from the first seconds where to click to get the necessary information, they will immediately close the page and go to the competitors whose resource is “simpler and clearer”.
The convenience of interacting with the site greatly affects the buying activity, so the higher the usability scores, the more sales you will have. The site should be regularly tested for convenience, conversions, and visitor behavior in order to identify the best design, structure and logic.
In addition, the usability indicator is also important for promotion, as is the optimization of the meta tags of the site or the introduction of keywords.