When your site is not included in any search engine page at a time when your website has been demoted right. Here are some of the main reasons for the analysis of the site is down right:
1, the quality of the article is too poor, the article basically adopt the means of collection, originality is too low, especially the new station, Baidu's inspection of the new station is very strict, if collected too much is likely to receive punishment.
2, the site is not standardized optimization, does not meet the search engine optimization.
3, the site has too much junk code, SEO optimization method is too heavy, the keyword accumulation. There are times when some optimization techniques are available in old stations and there is a good ranking, but these techniques should not be used in new stations because of the low weight of new stations. There is a reasonable use of HTML tags, what should be labeled what should be understood in the site should not add h1 plus h1, arbitrary use of optimization techniques, which are not conducive to search engine optimization, in fact, optimization must be done Naturally, do not go too far.
4, the problem of friendship link, we must not regularly check the links of their own websites, the best day to see several times, view each other's site situation, as appropriate, according to the situation. Such as low-quality chain can be removed, it is best to add the relevance of the Friends, this will make Baidu think you are feasible in this industry.
5, CSS hidden code, this search engine can be found, it is recommended that you use js call these need to hide the code, because the spider caught less than js.
6, the problem of the chain, do not use mass software, these methods search engine will be found after processing. It is recommended to go to the website or forum blog to send your foreign links, so that will be effective and stable use of website weight. Irrelevant simply does not make sense, it's just a quantity.
7, ip together, which means that you have the same site under ip punished, your station will be affected.
8, the domain name, this is the primary domain name of the second-level domain name has been k off, you have the same domain name under the other two have the possibility of k.
Website often k occurred, however, it is recommended that you do a serious station, intentions of operating their own station, as one of your Baidu users to treat, then your site will be greatly reduced the chances of k.