Google: Do not build a large number of external links in a short time, or we may ignore or even punish them
Detailed explanation of the bad effects of building a large number of external links in a short period of time, what is a high quality external link? How to get high quality external links? Low-quality external links with high quantity and low price will not have a benign effect on website SEO. Content is king, insist on outputting high quality content is the best optimization solution for SEO.