Does search engine Optimization is necessary?

Does search engine Optimization is necessary? The answer is no. But it does help.

Many websites use SEO as way to increase their ranking on the search engine so they can bring more people to their website.

But there are many websites that had use no SEO and still rank high.

Search engines even if you do not use seo will still scan your website.

However, with SEO you can let the search engines know that you just made a post. With SEO you can do this every time you post an article instead of waiting for them to scan your website.