API Reference > frontend-devtools > Widgets Widgets Widgets that wrap some of the package's functionality into embeddable HTML controls. Classes Name Description DiagnosticsPanel Consolidates many other widgets into a single panel. Beta FpsTracker Displays average frames-per-second. Beta KeyinField A textbox allowing input of key-ins (localized tool names) combined with a drop-down that lists all registered key-ins, filtered by substring match on the current input. Beta MemoryTracker Displays GPU memory allocated to tile trees - either all tile trees in the system, or only those associated with a specific Viewport. Beta TileStatisticsTracker Outputs statistics related to tile requests including the current number of active, pending, selected, and ready tile requests; as well as cumulative statistics for the session including the number of failed, timed-out, empty, and elided tile requests. Beta Interfaces Name Description DiagnosticsPanelProps Options for configuring a DiagnosticsPanel. Beta KeyinFieldProps Properties controlling how a KeyinField is created. Beta Last Updated: 13 June, 2024