Search engine optimization or SEO is a digital marketing strategy that aims to bring a website to a higher ranking in search engines (such as Google, Bing). The main objective of SEO is to increase organic or free traffic to the website, so that potential users can easily find the desired information, products or services. Through effective SEO strategies, any business is able to increase its visibility online and survive in a competitive market. SEO is mainly divided into three parts: on-page SEO, off-page SEO and technical SEO. On-page SEO includes website content, keyword research, meta tags, headlines, internal linking, etc. These can be modified directly within the page and help search engines understand what the content is about. On-page SEO, on the other hand, mainly depends on activities outside the website, such as backlink creation, social signals, brand mentions, etc. A strong backlink profile increases the authority of a website, which has a positive impact on rankin...