# Web Analytics Glossary

Plain-English definitions of analytics terms. No jargon, no padding.

### Bounce Rate
[Bounce rate is the percentage of sessions in which a visitor views only one page and then leaves with no further interactions.](/content/glossary/bounce-rate/index.html)

### CCPA
[The California Consumer Privacy Act (CCPA) is a California state law that gives residents the right to know what personal data is being collected and how it’s being used.](/content/glossary/ccpa/index.html)

### CLS (Cumulative Layout Shift)
[Cumulative Layout Shift is a Core Web Vitals metric that measures visual stability. It captures how much the layout shifts during the loading of a page.](/content/glossary/cls/index.html)

### Conversion Rate
[Conversion rate is the percentage of visitors who completed a desired goal, such as signing up for a newsletter or making a purchase.](/content/glossary/conversion-rate/index.html)

### Cookie Consent
[Cookie consent (or cookie consent banner) is the mechanism by which websites ask visitors to agree to the use of cookies.](/content/glossary/cookie-consent/index.html)

### Cookieless Analytics
[Cookieless analytics measures website traffic without placing cookies in the visitor's browser, instead utilizing data from various privacy-respecting methods.](/content/glossary/cookieless-analytics/index.html)

### Core Web Vitals
[Core Web Vitals are a set of metrics defined by Google to measure user experience on the web, including loading performance, interactivity, and visual stability.](/content/glossary/core-web-vitals/index.html)

### Custom Event
[A custom event is an action tracked on your website beyond a standard pageview. Examples include button clicks, video plays, and form submissions.](/content/glossary/custom-event/index.html)

### Dead Click
[A dead click is a click on a non-interactive element where the visitor expected something to happen but it did not.](/content/glossary/dead-click/index.html)

### Direct Traffic
[Direct traffic refers to visits where no referring URL is known. This includes visitors who typed your website address directly into their browser.](/content/glossary/direct-traffic/index.html)

### Funnel
[A conversion funnel is a multi-step sequence of actions that leads a visitor toward a goal, such as making a purchase.](/content/glossary/funnel/index.html)

### GDPR
[The General Data Protection Regulation (GDPR) is a European Union regulation that governs the collection and processing of personal data.](/content/glossary/gdpr/index.html)

### Goal
[A goal in web analytics is a defined action you want visitors to complete, such as a signup, purchase, or form submission.](/content/glossary/goal/index.html)

### Heatmap
[A heatmap is a visual overlay on a webpage that shows where visitors click and how far they scroll on the page.](/content/glossary/heatmap/index.html)

### INP (Interaction to Next Paint)
[Interaction to Next Paint is a Core Web Vitals metric that measures responsiveness. It captures the time between a user’s interaction and the next frame being rendered.](/content/glossary/inp/index.html)

### LCP (Largest Contentful Paint)
[Largest Contentful Paint is a Core Web Vitals metric that measures how long it takes for the largest content element to render on the screen.](/content/glossary/lcp/index.html)

### Organic Search
[Organic search traffic refers to visitors who arrived at your website by clicking an unpaid search result.](/content/glossary/organic-search/index.html)

### Pageview
[A pageview is recorded each time a visitor loads a page on your website. If a visitor refreshes the page, it counts as an additional pageview.](/content/glossary/pageview/index.html)

### Privacy-First Analytics
[Privacy-first analytics is an approach to web measurement that prioritizes the privacy of website visitors.](/content/glossary/privacy-first-analytics/index.html)

### Rage Click
[A rage click is when a visitor clicks the same area repeatedly in quick succession, usually indicating frustration with a non-responsive element.](/content/glossary/rage-click/index.html)

### Referrer
[A referrer is the URL of the page from which a visitor arrived at your website, helping to track the source of traffic.](/content/glossary/referrer/index.html)

### Session
[A session is a group of interactions a single visitor has on your website within a given time frame.](/content/glossary/session/index.html)

### Session Duration
[Session duration (also called time on site) is the total amount of time a visitor spends on your website during a session.](/content/glossary/session-duration/index.html)

### Session Replay
[Session replay records a visitor's interactions such as mouse movements, clicks, and scrolls, allowing for analysis of user behavior.](/content/glossary/session-replay/index.html)

### Unique Visitor
[A unique visitor is a single person who visited your website within a given time period, counted once regardless of how many times they visit.](/content/glossary/unique-visitor/index.html)

### Uptime Monitoring
[Uptime monitoring checks whether your website is accessible and responding correctly at regular intervals, ensuring it is online for visitors.](/content/glossary/uptime-monitoring/index.html)

### UTM Parameter
[UTM parameters are tags appended to a URL to track the source, medium, and campaign of traffic.](/content/glossary/utm-parameter/index.html)