Search Engine Optimization

Does search engine optimization (SEO) replace paid ads?

When designing a website, the primary objective behind it is easy access for the target user to the content produced. However, the performance of the site may prevent this objective from being achieved. Therefore, SEO is important in this case. The objective is to help search engines understand and display content. The question here is: Does search engine optimization (SEO) replace paid ads? How is SEO optimized? SEO "Search Engine