Score
Tracks the overall Lighthouse score, a comprehensive metric reflecting the site's performance, accessibility, best practices, and SEO.
Performance
Measures the site's performance, focusing on load speed and user experience during page loading.
Progressive Web App
Evaluates the site's adherence to progressive web app standards, assessing features like offline support and responsiveness.
Accessibility
Assesses the website's accessibility, ensuring it's usable for people with various disabilities, conforming to WCAG guidelines.
Best Practices
Highlights adherence to modern web development best practices, including security, image optimization, and coding standards.
SEO
Analyzes the website's search engine optimization, indicating how well the site is likely to rank in search engine results.
CLS
Measures visual stability, quantifying the frequency of unexpected layout shifts during page interaction.
First Contentful Paint
Records the time taken for the first piece of content to appear during page load, a key indicator of perceived speed.
First Meaningful Paint
Tracks the time until the primary content of a page is visible, reflecting the user's first impression of page load speed.
Largest Contentful Paint
Measures the time taken for the largest content element on the screen to load, a critical metric for user experience.
Speed Index
Quantifies the speed at which the contents of a page are visibly populated, reflecting the user's visual experience.
Time to Interactive
Indicates the time it takes for a page to become fully interactive, measuring the delay in user interactions.
Total Blocking Time
Calculates the total time during which the user is unable to interact with the page due to loading tasks.