Now search engines pay more attention to the quality of external links than the quantity of external links. The best external link share is 20. If the external link share is too small, it means that your external links are very unsuccessful. , needs to be improved, of course, not to mention the quality of the external links, which also shows that the content of the external links is not of high quality, and users are not willing to read it, and only let search engines read it.