> When I just tried it out now, it seems to be about 200 before the page has fully loaded. Gmail was ready long before that. Most of those requests are just pr

> When I just tried it out now, it seems to be about 200 before the page has fully loaded. Gmail was ready long before that. Most of those requests are just pre-loading the immediately visible email threads in the background. Disclaimer: not associated with Google, but have reverse-engineered the Gmail XHR-format for (non black-hat) web-extension purposes.