Few Websites are either Copying or crawling my content what Should I do? [duplicate]

This question already has an answer here:

  • Our website was copied 100% and mirrored on a different domain 6 answers
  • Another website is mirroring and ranks above my site in search results 6 answers
  • How much of your content needs to be copied before you can file a DMCA complaint? 1 answer

I have noticed quite a change in my SERP over the months and came to know few sites have copied my content. How Should I Complain this to Google?

Is there a General Criteria for this?

There are Google provisions that I understand. But are their any clear policies regarding this?

Google publishes documentation on dynamic rendering for crawling, indexing JavaScript

If your site runs on JavaScript you might find this useful:

Quote:

…Google announced on Twitter Wednesday morning that it has published help documentation around what is dynamic rendering, when to use it, and how to implement it. This help documentation is designed as a workaround for webpages that deploy a form of JavaScript that makes it hard for Google to properly crawl, index and rank those pages in search…


Google publishes documentation on dynamic rendering for crawling, indexing JavaScript webpages
October 3, 2018 Search Engine Land