Loading speed plays a crucial role in determining the overall user experience (UX) of a website or application. Users have come to expect instant access to information and fast-paced interactions, and the time it takes for a website or application to load has become a significant factor in determining its success. And with UX expert Jakob Nielsen(2010) stating that after 1 second of load time; users can sense a delay, timing really does matter! Slow loading speed can lead to frustration, dissatisfaction, and even abandonment of the website or application by users.

So as a solution modern website or web application used to cash their page layout and basic typical style on the browser this residue to time reproduce exact same styles again and again

Can users quickly find the model’s? Understand the primary object and perform the actions they care about? Can they use the system successfully at the first time?

How long does it take for users to internalize? How to use the system competently? Even consumer products often have a slight learning curve today.

Once users are competent in using the system, how easy is it for them to perform common or repetitive tasks? Can they perform bulk actions all at once, or do they have to perform dozens or even hundreds of separate actions?

Once users take an action, how long does the system take to respond? In a production environment, user efficiency and system response time combine to define the total task time