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 by the user. Also note that the LCP only counts the loading time of what is relevant to the user … Read more
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 major layout changes impression to him. First Meaningful Paint also includes the loading of actual fonts. As per the definition … Read more
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 the first impression to the user that the page is actually loading. Behind the concept of FCP, there is another … Read more
Total blocking time defines as the sum of all the long tasks (=Long Task processing Time – 50ms) between First Contentful Paint and Time To Interactive period which blocks the main thread and prevents the user from interacting with the web page. What is Long Task? In the UI Performance Testing term, the main thread … Read more
First Paint is a UI Metric denotes the time when the browser renders the very first pixels to the screen. In simple words, it refers to the time at which the first pixel renders on a screen after a user navigates to a web page. The browser can render anything that is visually different from what … Read more
Regular Expression (RegEx) is a sequence of characters that define a search pattern. Each character in a regular expression is understood to be a metacharacter (with its special meaning), or a regular character (with its literal meaning). For example, if we define a regular expression r. where ‘r’ is a literal character that matches just ‘r’ and ‘.’ is … Read more