1. Definitions and scope:

Internal lInks: refers to the interlinking of different pages within a website. These links help users and search engines to navigate within the website and increase inter-page relevance。
External lInks or backlInks: links to your website from other websites. The outer chain is seen as an external vote on the authority and relevance of the website and has an important impact on upgrading the ranking of the search engine。
Limitations and breadth:
The confinement of the inner chain to the same site contributes to a better understanding by the search engine of the structure and content level of the site。
It cuts across different sites and has a broader network impact that can increase their credibility and weight。
Treatment of url links:
It is usually suggested that the front page be directed to increase the weight of the home page, while the inner-chain layout avoids too many front-page links, which reflect the depth and breadth of content。
4. Forms of presentation:
The inner chain tends to use anchor text links, which allow users to jump directly and enhance user experience。
The outer links may appear in the form of anchor text, pure text or image links, which are particularly important for seos, but not for all platforms。
5. Optimization objectives:
Intra-chain optimization is designed to enhance user experience, enhance inter-page weighting, promote the capture efficiency of search engine reptiles and increase page intake。
Extralinks are used more to enhance the external authority of the website, attract traffic and influence the trust and ranking of the search engine。
6. Layout strategy:
Internal chain layouts need to be sensitive to relevance, quantitative control and logical structures, such as enhancing thematic relevance through the organizational content of the silo structure。
The outer-chain layout focuses on quality rather than quantity, looking for high-quality websites to work together to ensure that links are natural and relevant and to avoid the use of unethical linkage-building strategies。
7. Roles and impacts:
The inner chain helps the search engine to understand the structure of the site, increase the distribution of page weights and increase the time spent by users on the site。
External chains directly affect the ranking of the search engine of the website and are important indicators of the authority of the website and help attract external traffic。
Internal and external chains focus on the internal structure of the website and external credibility building, which complement each other and work together to enhance the overall performance of the website。
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