After update on spam contents, Google can ignore or deindex your pages also ...... So must care that your pages have informative, unique and keywords related contents. Many webmasters are asking on forums that my traffics drop ..... my pages are deindexing etc. and these all are happening because of Google update.
Google search console is good to speed up indexing process by submit your website's sitemap .... You can see there details also that how many pages google indexed and how many pages not indexed with reasons.
If you want to get your website indexed by Google, you need to make sure that your pages are properly indexed. In order to do this, you'll need to copy and paste the code from the page and into the HTML element of your web page. You can also use a site like semrush blog to help you with this process.