Site Isolation is a major change to the architecture of the Google Chrome browser. Its limit each render process to document from a single site essentially isolating each tab from one another to prevent attacks like Spectre and Meltdown. Now in Chrome 68 is by default.

The web browser wants the entire internet encrypted immediately. And they are using a number of initiative to accomplish that. Back in 2016 when this push began just 3% of the internet was encrypted. Google measures encrypted traffic of around 80%. That's a serious progress but still long way from complete...

Google Chrome 68- the version that makes HTTPS mandatory. This event has been on the horizon for two years. Starting yesterday, any website still being served via HTTP will receive negative indicator that says, "not secure" beside the URL in the Google Chrome address bar.