What do you mean by reverse link? What is a dead link? What is an error link?

What is called a reverse link. What is a dead link. What is an error link.

What is called a reverse link.

Often hear everyone in the answer Forum said reverse link how important, but I confused, exactly what is the reverse link.

Looking at this line of content, the "answer forum" links to the word http://www...com/bbs/. This link we call direct link.

For the answer forum, this link is its reverse link.

Briefly summarized as follows:

There is a link on page A that points to page B, and the link on page A is the reverse link to page B.

SEO mentioned in the reverse link is also called Import link (backlinks), external links.

Note: The above definition is only in the SEO statement.

For more information on the broader meaning of backlinks please look down.

As in the first example above, this article can be directly directed to other existing Web pages through code such as: href=. So can you add a code to the Web page of this article so that existing pages are automatically linked to this article.

So what does the reverse link here mean?

Do not modify existing Web pages, and ask them to link to the newly generated Web page. At present, this technology is not widely used.

What is a dead link.

Simply put, the dead link refers to a link that was normal and later invalidated. When a dead link sends a request, the server returns a 404 error page.

There are dead chains in these cases:

L Dynamic links become dead links under conditions that the database no longer supports.

L A file or Web page moves the location, causing the link to it to become a dead link.

L Web content updated and replaced with other links, the original link into a dead link.

L Site Server Setup error.

From the user's point of view, dead link and Error link performance is the same, so generally we do not need to distinguish between dead link and wrong link.

As SEO personnel or webmasters, we want to avoid the site of dead links, because from the number of dead links can evaluate the authority of a site.

What is an error link.

A link that does not exist is the wrong link.

The difference between an error link and a dead link:

L error link is due to user's negligence, the requested link does not exist.

Dead link is the original access to normal, and later because of the changes in the site can not access.

L An error link occurred:

L The user spelled the domain name incorrectly.

L The URL address is written incorrectly.

L The URL suffix is redundant or lacks a diagonal bar.

The letter case that appears in the URL address does not match exactly.

Above 3, 4 points of the situation, professional SEO personnel should pay attention to avoid.

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