What are rich results?| search.google.com
If search engines literally can't find you, none of the rest of your work matters. This chapter shows you how their robots crawl the Internet to find your site and put it in their indexes.| Moz
Read this guide to learn how you can identify and fix Search-related JavaScript problems that may be blocking your page or content from Google Search.| Google for Developers
Discover how Google Search processes JavaScript and explore best practices for improving JavaScript web apps for Google Search.| Google for Developers