You can submit your website to some search engines via their website, and it is recommended to create site map files (sitemap.xml and a web page site map) to encourage search engines to discover and crawl the web pages.
To work with the Google search engine, you can establish an account with Google Search Console to get started. This will provide you with foundational tools for submitting sitemaps and monitoring website indexing issues.
For best results, your website may require professional help to manage the various aspects of SEO (search engine optimization). WEBii also offers managed SEO services.