Seo optimization: what do you know about extra-chain optimization
BacklInk), i. E., other websites that point to links to your web site, have an important place in the optimization of the search engine. High-quality external links can significantly enhance the authority of the website and its ranking in search results, and are an important criterion used by search engines to measure the quality of a website。

Quality and quantity of outer chains
The current search engine optimizes the quality of the external link rather than the quantity. It is more valuable to come from authoritative websites and related high-quality external chains than a large number of low-quality links. Google prefers a good link to nature, not artificially created。
Method of obtaining quality external links
Content marketing: creating valuable content for natural chains answer
Guest writing: posting articles on influential industry websites and inserting chains answer
Industry cooperation: a mutually beneficial relationship between the companies concerned
Media relations: access to media reporting chains in the form of press releases answer
Where the outer chain must be built
Do not buy links, use black hats like link farm. Note that the link anchor text is diversified and cannot be overoptimised. Low-quality links are routinely screened and removed to ensure the quality of external links。
Monitoring and evaluation
Tools are used to track the quantity, quality and authority of external links. The external chain analyzes the role of improved ranking in search and adapts our strategies accordingly. Healthy outer chains require long and constant effort。




