The
First understands the right to fall into several categories. Apple phone shell Optimizer analysis is as follows:
A, http://www.aliyun.com/zixun/aggregation/9322.html "> site down the right reasons for what
1, the title of the modification, ( affect the home page main keyword ranking)
2, page content changes (affect relevance and matching judgment), recommended changes in the range of 20%.
3, the stability of the space (instability can affect site score)
4, the right to drop the spam
5, excessive optimization, in the following cases are this:
(1) Site keyword accumulation
(2) The ALT attribute unreasonably describes the overuse of the
(3) H label. (H1 only one page, and only once)
(4) The link anchor text is pointed to (pointing to another page or the home page, which is incorrect)
6, the site's path changes (there will be a large number of dead links, which will fall)
Workaround:
(1) Shielding the original path (2) through the robots to relocate the original path to the new path
7 by 301. Export link
within the export station. The proposal in 100, if too much, will lead to the dispersion of weight, and will be spiders think the page quality is low, the page buckle points.
8, Junk link (no additional value)
The loss of a large number of junk links will lead home by K
9, high quality links
(1) According to the definition of Google search links, links are also unnatural links, is a control ranking.
(2) one-way link (purchase of the Ming chain or black chain) is a control ranking, is not recognized.
(3) If two sites in the difference is large (the proportion of PR value is very different), such one-way link is not the
10, JS turn to cheat, hidden text, hidden page
11, algorithm changes
Two, Site down right performance is divided into: small K and large K
Small K: The rankings fall and float, and there is no collection. or flow down
Big K: the homepage is deleted, or the page is included is deleted
Note: The return file is not the performance of the right to fall, is the question of trust. The website has been changed, Go back to the site you didn't change.
Third, down the right how to restore the
(1) to find the right to reduce the reason for recovery
(2) to update the quality of content and outside the chain, improve the search engine on the site's recognition.
(3) Wait (small K general 1-2 months can be restored, if strictHeavy words, it may take 3 months. Too serious a suggestion to redo)
issued by the Apple mobile phone shell (http://www.aipoke.net)