PerfMap is a front-end performance heatmap
A bookmarklet and Chrome extension to create a front-end performance heatmap of resources loaded in the browser using the Resource Timing API. A browser with support for the Resource Timing API is required.
A bookmarklet and Chrome extension to create a front-end performance heatmap of resources loaded in the browser using the Resource Timing API. A browser with support for the Resource Timing API is required.