Map Popup

A map popup is a UI element in interactive web maps that surfaces detailed information about a geographic feature in response to user interaction—most commonly a click or tap, though hover-triggered popups are also common. The popup typically appears as a floating panel anchored to the clicked feature’s location, containing attribute values, formatted text, images, charts, or action links such as directions or editing options. Popups are a fundamental interaction pattern in web GISWeb GISWeb GIS enables access, analysis, and sharing of geospatial data through web-based interfaces. By eliminating the nee... because they allow maps to remain visually clean while still providing access to rich attribute data. Users see only the spatial overview by default and drill into specifics on demand. This progressive disclosure approach scales well from maps with a handful of features to those with millions. All major web mapping libraries support popups. LeafletLeafletLeaflet is a lightweight, mobile-friendly JavaScript library for building interactive mapping applications. Known for... provides a lightweight Popup class that can contain arbitrary HTML. MapboxMapboxMapbox is a robust platform that equips developers with tools to create highly customizable, interactive maps for web... GL JS offers both popups and tooltips with customizable CSS. OpenLayersOpenLayersOpenLayers is a mature, open-source JavaScript library for building interactive web maps that support a wide range of... uses overlays positioned at coordinates. ArcGISArcGISArcGIS is a leading GIS platform offering tools for spatial analysis, mapping, and data visualization. It serves a wi... Maps SDK for JavaScript includes a Popup widget with built-in support for related records, attachments, and Arcade expressions. Best practices include keeping popup content concise, providing a close button, ensuring mobile-friendly sizing, and loading heavy content (like images) lazily to maintain map performance.