What everyone usually talks about the most is on-site links, off-site links, keywords, etc. But why should we do off-site links? The main off-site links affect SEO, mainly the following points:
The first point: improve page inclusion
The inclusion of website pages is the basis for improving rankings. The quantity and quality of off-site links play an important role in the pages included on the website. If you only rely on the structure of the site and high-quality articles, you will not have a very strong external link. It is also difficult to truly maximize the website's inclusion in search engines. As you usually see, the inclusion and ranking of high PR websites are not wrong. PR is a standard used to verify the quantity and quality of external links to a website. Skilled SEOERs should know that generally, search engine spiders will only crawl 3-4 layers of a website with a PR value, but a website with a high PR value can easily crawl pages beyond the 4th layer. This greatly improves the inclusion rate of the page. The crawling of external links also affects search engine spiders to crawl more and more frequently, so that content updates faster and the page inclusion rate is higher. It is normal for a high-authority website to be crawled once within a few minutes, and it is included very quickly. Many webmasters now believe that external links are much more important than internal links, so basically external links account for about 60-70% of the entire link optimization, which has exceeded on-site optimization.
Second point: Improvement of weight and trust
External links can improve the weight and trust of a website. The higher the quantity and quality of external links, the higher the trust that the linked page will attract more people's attention. Now the weight of the website is also an indispensable and important factor in search engine ranking. In addition to the domain name time of the website, the size of the website, the originality of the website, etc., another important factor is external links. A domain name with high authority can drive the ranking of pages in the website, which can also increase trust and reduce the possibility of being regarded as spam content. The weight and trust of a website are not directly related to specific keywords and topics. If the website has links from some high-quality websites, the weight of your website will naturally be improved. No matter what the positioning of the website is, the ranking will be greatly improved. Big help.
Point Three: Relevance and Anchor Text
The relevance of external links is very beneficial to improving the relevance of the website. And it can also improve the ranking of the website, making every page higher. The anchor text of keywords is also one of the important factors of relevance. The external link hyperlink of a keyword is comparable to a weight loss website, one of the channels is "Quick Weight Loss", when making the external anchor text, use "Quick Weight Loss" as a hyperlink, pointing directly to this channel. This correlation is very high. As long as the optimization is reasonable, the keyword "quick weight loss" will be easier to rank on the first few pages.
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