Discussion on the problems included in the SEO industry

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On the chain of the inclusion of the problem, in most seoer eyes, it is generally believed that only included, and can detect the outer chain is effective. For example, we have done a text in page A and text-only link, if the page A is included, then this one of the stroke text/plain text link is effective, we can through the link to attract spiders crawling and transfer weights. But the other proposition we're going to argue today is:

If this page A is not included, then is this external chain effective?

Before we begin to discuss this issue, let's start by clarifying some information:

1, the purpose of the chain is to attract spiders crawling and transfer weights;

2, page A through the URL search, domain, site, link and other directives and major stations

Long Tools (in addition to Baidu Webmaster platform) are not search;

3, our data to Baidu Webmaster platform data as the basis.

On this question, already someone has asked in the seowhy question and answer, but the husband teacher also has the reply, we first looked at the teacher's answer is what kind of:

The following is a reference fragment:

I think, to judge whether an outside chain has played a role, Baidu Webmaster platform can be inside the outside of the chain query, if the Baidu webmaster platform does not have your site outside the chain, you can think that you send the chain, in the webmaster platform outside the chain of the time to query the database has not produced results. (Note that sometimes the Webmaster platform database may be used two months, three months ago, so, your recent hair outside the chain may not appear).

In other words, in the teacher's opinion, in the Baidu webmaster platform if there is no record, it is considered invalid, but not ruled out in the future a certain day of the page is included, thus become effective.

But there is a situation, Baidu in our query time period does not include page A, but spiders have to crawl the page, and spiders have to crawl through page A to our website. So in this case, is this outer chain effective? Let's take a look at some of the People mall search 618.html "> leader's view:

The following is a reference fragment:

As @ Chen Hongjin said, the general outside the chain refers to the outside of the chain that the page has been included.

What are the criteria for determining whether the chain is included?

I think it is your hair outside the chain of that page is included (Baidu Index amount of data, not necessarily site or domain out), the chain can be effective (such as the signature although included, but the effect is 0), Not included is not effective-------you hair outside the chain of that page is not included may be Baidu think your content is not worth, or the weight of the site is too low and so on, anyway, even the page content has not been Baidu that one, the page exists outside the chain is certainly also negligible;

Why not included in the page but Baidu outside the chain tool can be queried?

I think the outer chain of the chain tool can be queried is not necessarily valid (and vice versa), one is because now Baidu this tool data is not complete, the update of the data has a certain time difference (many dead chain also in which), and other reasons, the second is Baidu also declared that this is not filtered raw outside the chain of information, that is, Baidu found these outside the chain, But it's not necessarily an outside chain that helps the site.

Overall, the owner's view is that if page A is not included, then the chain is not valid. Even if the spider has crawling, but the page a quality does not pass, and so on, spiders crawling, not to be able to represent the crawling of the page by spiders and can give weight and other positive significance, just like the signature chain.

In fact, more people hold similar views with the above two points. Some people think that Baidu is the preparation of two sets of databases, not included in the page placed in another set of databases. We don't know whether the future will come out or what to do with it. In the words of the teacher, only one step can be seen. But in the SEO point of view, we do outside the chain, is nothing more than hope through the spider's crawling transfer weight, thereby enhancing the ranking of the site, in order to attract more traffic. This is the ultimate goal. If the page is not included, there is no weight transmission. For the user, the page can not be searched through the search engine, then this page will be considered non-existent. Or it will become a day in the future, but for now, it doesn't make any sense to the user.

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