# Trend Graph > **SUCCESS** > > **What is the Trend Graph?** > > This is a graph positioned at the top of the access report displayed by opening the digest. This graph is a tool for visually understanding changes in visit counts. ## Data Visible on the Screen Default display: Trend of visits over the past week After specifying period: Displays the trend of the specified period as a green curve Display unit switching: Selectable from "Daily," "Weekly," "Monthly" When only one day is specified: The horizontal axis becomes a time unit, allowing detailed change confirmation Metric switching: Can switch to other metrics such as UU, PV from the "Visits" dropdown list ## **Quick Explanation of Key Metrics** * **Visits**: A user visiting a site and then leaving is recorded as one visit. * **UU (Unique Users)**: Visit count after removing duplicate visits * **PV**: Number of times a page was viewed * **New User Rate**: New users (visits containing new cookies) / Total visits * **Return Visitor Rate**: Existing users (visits containing existing cookies) / Total visits * **Visits / UU**: Number of visits / Unique users * **PV / UU**: Page views / Unique users * **Average Visit Duration**: Average time each visit lasted on the site * **Bounce Rate**: Number of visits that viewed only the landing page / Total visits * **Average Load Time**: Average time from the initial page request to completion of page load for each visit For more detailed definitions, please refer to [Glossary](/en/insight/data-center/trend-chart.md). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://helps.ptengine.com/en/insight/data-center/trend-chart.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.