Ranking without backlinks on the first page of Google is possible and may not be difficult than you think.
The key to this is to have well SEO optimized content. SEO optimized content isn’t just about writing good quality content for the readers, but for search engines as well.
Search engines like Google use words on your content to understand what your content is all about – Relevance of content.
The more relevance your content is, the better you will rank on Google. The trick to knowing what are the important words your content need is to analyze your competitors.
Here’s the video on how to analyze your competitors:
Link to how I rank this content on the first page: