By submitting their websites to relevant directories, owners can increase the likelihood of receiving high-quality backlinks, which are a crucial factor in search engine rankings. Additionally, directory submissions can help visitors find a website more easily, particularly if it is in a niche industry or has not yet established a strong online presence. Furthermore, search engines can more easily index a website that is listed in a directory, which can improve its online visibility. However, it is important to choose directories that are reputable and relevant to the website's industry or niche, as low-quality directories may hurt search engine rankings.