How much of your emails do you actually read? How quickly do you respond? Now, if you're a Gmail user, you can find out. The Google Team announced Gmail Meter app on the Official Gmail Blog. A Google Apps script developed by Romain Vialard, it can show you stats on volume, daily traffic, traffic pattern, email categories, time before first response, word count and thread lengths; providing an even deeper dive than Google's own Account Activity dashboard.
How to set up Gmail Meter?
First, go to Google Docs and open a Spreadsheet. Click on Tools > Script Gallery. Search for “Gmail Meter” and click Install. You will now see a new menu item called Gmail Meter on your spreadsheet. Click on Gmail Meter > Get a Report. You can then choose the type of report. Preparing a report may take some time and you will get an email once the report is ready.
Source:- Official Gmail Blog