There are basically two ways: share it with existing people elsewhere such as here/friends/social media, or write SEO content.
You don't need all your content to be SEO, but you should have a few good SEO articles that do well with search.
If you write original content that is not highly searched for, you're likely not to get too many visitors because bottom-feeding leeches like Google have ruined the web and turned it into an SEO-farm nightmare so that they could line their pockets while greasing the wheels of needless consumerism.
You don't need all your content to be SEO, but you should have a few good SEO articles that do well with search.
If you write original content that is not highly searched for, you're likely not to get too many visitors because bottom-feeding leeches like Google have ruined the web and turned it into an SEO-farm nightmare so that they could line their pockets while greasing the wheels of needless consumerism.