On the evening of August 17th, webmasters received email notifications from Google via Google Search Console to site owners that have forms on web pages over HTTP. Beginning in October 2017, these pages will be marked as not secure in Chrome 62. This isn’t the first time we’ve heard about this notification. Google handed out the warning a few months ago.
Google said, “Beginning in October 2017, Chrome will show the ‘Not secure’ warning in two additional situations: when users enter data on an HTTP page, and on all HTTP pages visited in Incognito mode.”
The emails were sent out with the subject line, “Chrome will show security warnings for,” explaining where they need to add HTTPS and more details on how to do so. Here’s a copy of one of the email notifications:
Here is how Chrome is going to show the warning based on the type of browser and page:
This is how it’ll look as a user starts filling out a form:
For more details, see the original blog post over here.