Every time Google releases a new algorithm update, it means they've discovered something in the SEO and webmaster space that they don't like so much. The update serves as a wake-up call to webmasters and SEOs, telling everyone that things are about to change.
Algorithm updates are designed to encourage webmasters, both professional and amateur, to chinese overseas australia database review our websites and marketing practices to ensure we're doing a good job.
You are told that Google has brand new standards and that your website must meet these standards next time.
Manual actions
Manual actions are imposed on your website by a human reviewer at Google. If you've received a manual action, it's because the reviewer has determined that your site doesn't comply with the Webmaster Guidelines.
On one of their support pages, Google lists the types of manual actions or penalties that can be applied to your site. You can receive a manual penalty for:
User-generated spam
Problems with structured data
Unnatural links to/from your website
Thin content with little or no added value
Camouflage and insidious redirects
And the list goes on.