Page Load Time
What is Page Load Time in Performance Testing? As per the definition of response time in the performance testing, ‘Response Time refers to the amount of time from the moment that a user sends a…
Speed Index
Speed Index (SI) is a UI Performance Testing metric that calculates how quickly the content of the webpage is visually displayed to the end-users. Actually, the speed index is not a time-based unit. It is…
Time to Interactive
‘Time to Interactive’ is a very common but non-standardized UI metric that represents the time when a website is ready for user interaction. Here, ‘user interaction’ means when a user can provide an input in…
Largest Contentful Paint
Largest Contentful Paint or LCP is one of the important metrics in UI Performance Testing. It provides the time when the largest element of the web page is loaded in the browser and ready to consume…
First Meaningful Paint
First Meaningful Paint or FMP measures the visible time of the primary content of a website. It is the time when the bigger content of the website is visible to the end-user and gives a…
First Contentful Paint
First Contentful Paint or FCP is one of the important metrics in UI Performance Testing. It provides the time when the browser renders the first bit of content like text, image, non-white canvas etc. It gives…