Reviews three wrong SEO concepts

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1, only to find the high weight of the site Exchange connection.

Comments: Please remember: As long as is included in the site Exchange links, can add points to increase the weight. Exchange links do not have the problem of reducing the points, the problem is just how many points added to the problem. PR high Station and PR low station exchange links, not to PR high station bring any side effects. The internet is the simulation of human society. Human society plainly, two things-people, interpersonal relationships. Site plainly, there are two things-content, content links. The website is the person, the website link is the interpersonal relationship. The website should not only be self-contained, but also contact with other websites, interact, influence each other and instrumental each other.

2, only the article updates without removing the dead link.

Comments: Some Web site after the revision, leaving countless dead links. Imagine, you are a netizen, click Can't visit, click Can not visit, click again or can't visit, what do you feel? To know, search spiders on a site's first impression is that the link inside can not visit. Be able to access is included in the premise.

3, think that the inverted paragraph of the article in the order of the search engine is considered to be original

Comment: We can analyze this problem from the technical level. Do you know how a search engine knows the main content of a Web page? Very simple, page contrast. Search engines will be similar to the address, or in the same directory of several pages to compare, remove the same part (template), the rest of the natural is the core content. Search engine How to analyze the original? Extract some of the text from the core and then compare it to the records in the database, and if you have the same, you can think it's not original. In order to ensure the accuracy rate, will draw the different parts, the comparison several times.