Example analysis of how to identify the chain is an effective outside the chain?

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For the website construction outside the chain of friends should have this kind of doubt, my chain effective? The author discusses the standard of high quality outside the chain said that the chain must have two attributes, 1, this chain must be effective, 2, this chain of pages must be indexed by search engines, So how do we find out if our outer chain is an effective chain? Through Domain: Domain name, if so, in the N page to find their own outside the chain is also a painful thing, today I share with you, if the simple and effective inquiry of their own chain is an effective outside the chain.

Before sharing with you, the home page to share with you the knowledge of the chain, we usually say that the chain has 33 kinds, 1, anchor text links, 2, hyperlinks, 3, plain text links, the author and everyone to share is how to query hyperlinks and plain text links. Let's start by introducing the search engine commands we need to use.

domain+ Domain name-I believe this command everyone is very familiar with, in this side will not and everyone detailed description of

Intitle:intitle is an advanced search instruction in SEO, and the instruction returns the page containing the keywords in the title of the page.

INULR:INULR role is to command search engines to find URLs containing xxx pages

About these instructions to believe that the information recommended to Baidu Encyclopedia detailed understanding, on this side I will not and everyone detailed description. The author takes admin5 net as an example, and we share how the author through the combination of these three instructions, query whether the chain is effective.

Domain+intitle

Domains: Domain name (space) intitle: News headlines, often in the submission of the site to submit a friend, you can also use this command, so you can get how many individuals to reprint your article and bring the Web site, this command can effectively detect which sites reproduced your article probability is relatively large,

Domains: Domain name (space) Inurl: The ULR of the website, can inquire you to leave the link in this website, have which is indexed by the search engine, such words, convenient to which does not include the page modification study.

Search command query, you know which outside the chain is valid, which outside the chain by the search engine included, so that you can facilitate your own outside the chain construction improvement, shorten the construction time of the chain, reduce the useless work,

Note: Plain text links are generally valid, if the chain of the page is indexed by search engines, then the chain is effective outside the chain, but the hyperlink is not the same, there are usually three kinds of invalid outside the chain, 1, nofollow tags, 2, js, 3, jump links, in these three links, The first and third links are not effective outside the chain, the second chain is an effective outside the chain, but this external chain transfer weight and, there are pictures for the card

Through the Domain+intitle command, you can query to this link is an effective link, and has been indexed by search engines, let us look at the source of this link:

Link href attribute =js, we all know that JS is not to pass the weight, but this link is a valid link,

The author and you share these two high-level commands, hope to reduce everyone in the site outside the chain construction work time and improve the efficiency of the construction of the outside chain, this article by: Crane _http://www.eurocrane.com.cn/starting ADMIN5, reproduced please be sure to keep the address, Thank you very much, I hope we do not indulge in the construction of the external chain, but also spend time to understand the validity of their links.