The memory usage of a browser can be looked at in many ways and is dependent on several factors. Here, for Microsoft Edge, the memory metrics that we are most interested in are commit and private working set. Commit is the total amount of private memory allocations made by a process . Each processs commit is separate, or private to the process. These allocations may reside in random access memory...
How to investigate Microsoft Edge’s memory usage on Windows
Found 4 days ago at Microsoft Windows Team Blog