Google’s John Mueller said on Twitter that it is important to improve your website. If your website relies on manual index submission for normal content, ‘you need to significantly improve your site.’
If your site relies on manual index submission for normal content, you need to significantly improve your site. Search console does not fix your site, you need to do that yourself.
— ? John ? (@JohnMu) February 3, 2020
You don’t have to submit your website to Google. Google finds your website through links from other sites. If your web pages do not have the right content, and if other websites do not link to your site, your website won’t get high rankings on Google.
How to improve your website
Use the Link Profiler tool in SEOprofiler to analyze the links that point to your website. SEOprofiler also offers many link building tools that help you to get new links. Then use the Top 10 Optimizer tool and the website audit tool to improve your web pages: