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Outside the chain in the SEO has a very important role, the weight of the keyword is mainly rely on the external chain to obtain, high-quality outside the chain is an important way to SEO.
Number of chain
This sentence is very simple and very good understanding, only to achieve quantitative changes will have a qualitative change. Don't challenge yourself when you don't have a few outside chains. Follow the step-by-step basis, the number of backlinks is naturally the more the more. Is the so-called "Alpine", "do not accumulate small flow, no to become Jianghai", the vast network of the sea, a point of harvest. But it is recommended that you do not want to pursue the quantity and use a large number of mass tools, now this piece has been hit by search engines.
Second, the time to grasp
The time principle is very important in the process of establishing the chain, especially for the construction of reverse link. Adding backlinks, internal anchor text accumulation is a long-term accumulation process, to be gradual, step-by-step, if in a short period of time quickly increased the number of unusual backlinks, very vulnerable to the search engine special treatment (sandbox effect), SEO effect is counterproductive, nature can not get good search rankings. SEO is the need for long-term perseverance and pay will have a small step of ascension, but this is the safest and most effective way.
Third, outside the chain quality
Don't say much about it. The quality of backlinks is more important than quantity if the site wants to keep getting good rankings for a long time. What is high quality backlinks? Link Import page High PR values and dependencies determine the quality of the backlinks. For example, your site is SEO-related topics, then from SEO ranked the top 10 site of the import link must be high-quality; from an SEO-related article Import link must also be of high quality.
However, high quality backlinks are not available, although a high quality backlinks are worth dozens of or even hundreds of spam backlinks, but in the case of no high-quality backlinks, follow the principle of quantity.
Iv. Link Location
In fact, the position principle is a supplement to the principle of quality, because it is easy to ignore and the importance is no less than quantity and quality principle, so special attention. The so-called position refers to the exact location of the reverse link in the Import link page. Search engine Crawl page will give different areas of the content to give different weights, generally, the left region weight high, lower (tail) weight low. Therefore, the reverse link out of the Import page now different positions will have different voting scores, below give some references:
(1), if possible, let the reverse link out of the page now import the head
(2), if possible, let the reverse link out on the left of the import page now
(3), the above method is not possible, then let your reverse link out of the content area of the front, the relevance of high content area before the test of the reverse link to search engine rankings extremely powerful! Therefore, write soft text special attention, in the beginning of the article to add as much as you need to join the "text chain."
(4), the link at the bottom of the page is the most worthless garbage link, but there is always better than no strong (quantitative principle).
V. Continuous and planned
The above content perhaps everybody understands, but perhaps everybody does not have the very good insistence. The acquisition of external links is not a matter of today's whim. But to have a plan, there are steps to proceed. First of all, according to their own time schedule to develop a chain of plans. I can take a few days for a cycle, what words for the key words, prepare high-quality posts, what sites (forums, blogs, etc.).