What is the value of an abnormal hyperlink outside the chain for SEO

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First of all, to explain the significance of SEO for the link form is mainly written in < a > tags inside the link, can be directly clicked on the general hyperlink and anchor text hyperlinks. Such a normal external link for the site SEO is significant, but there are many abnormal external links for SEO is meaningful, the role of how much? These are not yet clear answers. What are some of the unusual hyperlinks? Wuhan seo Liu Junlai chat about these controversial outside chains.

1. Picture link

For example, if you are referencing a picture of your own site on another website, the HTML code is < img src= "http://www. Domain name. com/pic.jpg" >

2, JS Link

Link to JS file links, HTML code examples < a href= "http://www. Domain name. com/a.js" >

3, link to CSS file links

Links to CSS files are also temporarily unable to confirm whether they are valuable external links. HTML code >< a href= "http://www. Domain name. com/a.css" >

4, JS script appears in the URL

And the above is not the same, such as the other side with a JS script to make links to you, this link is not known whether the significance.

5, CSS or CSS comments appear in the URL

Other people's Web site has CSS or CSS comments in the presence of your site URL is helpful to your site is not sure

6, the picture file meta URL

The URL in the picture video file meta is the outer chain.

7, Pure text link

There is no URL placed in < a >, the link that cannot be clicked is not a meaningful external link at present is also uncertain.

There are a lot of unusual hyperlinks in the type of link, these links can really help search the website of the new page, enhance the weight of the site, can not transfer weight, the ranking of keywords have any effect, SEO industry has not confirmed the verdict, many people have their own views, but it is not proved. I hope you have read this article can think about these for SEO is very important questions.

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