Common language makes you distinguish between chain and chain

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Recently in the forum, found a lot of webmasters have asked: "In the end what is outside the chain, what is the chain?" Search some definitions, but still do not quite understand ... "I have also searched the Baidu, looked at the relevant definition, really can not let people suddenly understand, so I have 2 years of experience in SEO, Here for those who still do not understand the friend to explain, hope can help more friends.

The following content is my own organization language to describe, I believe it should be more than Baidu encyclopedia search on the definition more convenient for everyone to understand. , if there are not correct, I hope you will point out.

(Purely personal opinion, personal experience) First of all, I think the chain belongs to the chain, but the chain can not be linked to the outer chain. Outside the chain, the literal meaning can also be understood: In addition to your own station, any other site has links to your site can be called outside the chain. You can also think that the chain is able to bring you spider crawling links, and the chain is the existence and snapshots and so far there is a long-term outside the chain.

We understand this: if you send an article, just sent out, was caught by spiders, and Baidu Snapshot also put out, but only survived a very short time, in the next (may be a few hours, days, or months) when the spider crawled, then this can only be called the chain. It cannot be called a chain.

Can not be long-term existence of the chain can only be called outside the chain, although it attracted the spider, but did not be able to long time to attract the spider, did not successfully let the spider for our stand to vote (below also explained).

I want to do SEO friends probably have encountered such a problem: there are some stations, reverse link is not much, but every day the spider is very crazy. What is this for? is because the chain at work, we go to do a lot of outside the chain every day, although not quickly be included in Baidu, release snapshots, but it can provide a lot of information for spiders, let spiders follow the chain in. Let the spider often come to our station guest, increase friendly degree.

Is the chain clear? What about the chain? What is the reverse chain? In layman's terms: The chain is our website whether receives the populace to like an important symbol, is other station to our station vote, our station chain more, the value is higher, the weight is higher, this proves many stations all like us, And in the search engine eye our station is also very valuable, get the search engine score higher, the higher the score we rank the better.

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