Quantitative usability analysis

Usability, as an important part of the User Experience, is phenomenon hard to measure because of its subjective nature. There are many analysis methods that help to describe the actual usability condition of a certain object or to discover usability problems for their further improvements, but none of these methods is universal enough to allow conducting the repeatable comprehensive analysis of very complex objects. Main goal of this article is to highlight the possibility of usage the simple mathematical tools as a mechanism for universal, unified, comparable, quantitative usability analysis of any object. For the need of this article, object is referenced to the exemplary internet website.