A set of Google-defined metrics that measure real-world user experience on web pages: Largest Contentful Paint (LCP) measures loading performance, Interaction to Next Paint (INP) measures interactivity responsiveness, and Cumulative Layout Shift (CLS) measures visual stability. Core Web Vitals are a ranking factor in Google Search and directly impact user satisfaction and conversion rates.
The practice of optimizing website content, structure, and technical elements to improve visibility and ranking in search engine results pages (SERPs). SEO encompasses on-page optimization (content, meta tags, headings), off-page optimization (backlinks, social signals), and technical SEO (site speed, mobile-friendliness, structured data). Effective SEO drives organic traffic and reduces dependence on paid advertising.
The percentage of users who complete a desired action (purchase, sign-up, download) out of the total visitors. It measures the effectiveness of marketing efforts.