A good meta descriptions are short blurbs accurately describing the page content. Remember to add title and meta description on desktop and mobile pages.
Google warns against link syndication & large-scale article campaigns for gaining links back, both authors and publishers risk a Google penalty.
Webmasters now have ability to see what pages on their site have been impacted by "copyright removal notices" and appeal those decisions.
Always show interstitial or pop-up to block the whole site from users with the server should return a 503 HTTP result code "Service Unavailable".
Some spammers abuse sites owned by others by posting deceiving content and links, in an attempt to get more traffic to their sites.
With Search Console's property sets, you can now just add any verified properties to a set.
Google officially kills content keywords report from Search Console. "Sentence-compression algorithms" goes live today, and begin to show videos from web in the knowledge panel for some queries.
Google publishes their first recommendations for making Progressive Web App indexable in Google. Check out indexability guide for server-side, client-side and hybrid rendering.
Search Console now has an enhanced AMP testing tool and a share test result snapshot feature available in the Google Webmasters Tools. Google News articles with ClaimReview markup will have Fact Check tag.
How to best evaluate and validate issues with your Accelerated Mobile Pages (AMP).