What does a black chain mean? What is a black chain?

What does a black chain mean? What is a black chain?

Black links are links that are linked to websites. They are all one-way links with a high weight and are very helpful for ranking websites. There are some tips for hiding links. We all know that the search engine does not recognize JavaScript very well and outputs hidden divs through JavaScript. In this case, the links cannot be viewed directly through the page, and the search engine confirms that these links are valid.CodeIs: First, write the previous Div using JavaScript and set display to none. Output a table that contains the link to be linked. Finally, the second half of the DIV is output through JavaScript to successfully hide the link.

Now, this black site method has become the most popular Seo method. Increase weights, increase rankings, and increase pr

The meaning of the Black chain is that the site is infiltrated by hackers using technology, and permissions are obtained. After the code is added, one or more hidden export links are implemented, this method is used to prevent webmasters and administrators from discovering the existence of links. Essentially, there are no regions for exporting links from normal links. The following describes why this is said.

After a black link is hung up, the website name of its link and description and link cannot be seen on the page, however, after you test the source code or export links of the page by using the simulation engine crawling tools of the major webmaster stations, you will find that the search engine actually recognizes these links and captures them.

Several common explanations, advantages, and disadvantages of the Black chain:

1. Also known as hidden links

2. upload your own connection to another website without authorization.

3. The concept of black chain is very simple! On other people's website interfaces, you cannot see them with the naked eye! Must view webpageSource codeTo view! The spider can crawl, that is, hide the link! Black chain can quickly improve the ranking, but it is also easy to be K!