Is Search Engine Submission Necessary?
The short version is no; search engine submission is not required. Nowadays, most search engines (most notably Google) slither and index pages by following links. To use that logic, a single inbound link from any already-indexed page will help the engine identify your page. As a result, if that page links to other pages on your site, those pages will also be indexed. And so on. As a result, inbound linking is critical. Obtaining backlinks may be the most crucial aspect of SEO. However, in theory, a website owner should not have to scout or 'hunt' for links. Web users naturally tend to link to the presented content if it is interesting, helpful, and essential. This is the foundation of Google's PageRank algorithm. With all the greatest regard, submitting your site to search engines cannot be wrong. Furthermore, presuming you only submit to the big guys adds about 5 minutes of work. And once that is enough. You only need to submit your site earlier. It doesn't help you...