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META tags as the most popular SEO means, in the early days of SEO was known, stationmaster so set up and obviously improve the site's search engine rankings greatly excited. But with the development of Black hat SEO, search engines can no longer tolerate meta tags on search engine rankings operating means. So the weight of the meta tags is becoming less obvious. Later some SEO feel keywords tags are basically abandoned. You go to observe a lot of foreign SEO nature website, even have no this setting. If you have a high level of SEO, you can use meta tags. Matt Cutts once said that 40% of websites don't have the code to meet the standards, but they won't give up. So no keyword,description spiders can still search you. Here's how I deal with meta tags.
The benefits of META tags
Meta tags this is relatively old and SEO the most basic things, but it is necessary to explain. Meta tags are more helpful to search engine analytics pages and tell spiders what this page is about. At the same time in meta tags into the keyword can be a certain weight to enhance the keyword ranking. Title has a relatively high weight, Web page if the representative of a person, title on behalf of the person's face, so reasonable title set is necessary. When your home page is a comprehensive content aggregation, spiders are very likely to analyze this page is what is the main content (ignore the external link effect). Many times the search results appear in the summary is description content, the site is particularly common home page. So Descrition set dependencies is necessary, you always do not want to search the summary appears to be the site navigation or irrelevant information, even if the rankings are not attractive before the click. As for keywords do not do specific elaboration, many SEO articles have been told enough.
The disadvantages of META tags
A great feature of the META tag is that it is set by webmaster the search engine in the continuous improvement of the fairness of the search results, if the META tags on the ranking is too strong, search engines will be webmaster or seoer lead, so the search engine in the continuous integration of other factors to measure the content and quality of the Web page. But the weight of the meta is in, and the search engine discard meta also need to develop to a certain extent, so for the keyword stacking, content is not related to the problem can not be fundamentally solved. But search engines can score meta tags with certain parameters. The correct correlation of a score, does not set a score, set not related to a score, but for the fight against cheating, unrelated meta tags are certainly the lowest. So don't give yourself the meta set, which is disadvantageous to the rankings, not because of understanding SEO and counterproductive.
How meta tags are set
Search engines do not give a specific ranking algorithm, but can be seen from the Webmaster Guide to use the clues.
Google's webmaster guidelines are described below:
please do not use hidden text or hidden links. Do not use hidden or deceptive means of redirection. Please do not send an automatic query to Google. Do not load pages that use irrelevant keywords. Do not create multiple pages, subdomains, or domain names that contain a large amount of duplicate content. Do not make a Web page that has a virus, Trojan horse, or other unwanted software installed. Do not use "bridge pages" designed specifically for search engines, or "cliché" (cookie cutter), where original content with little or no original content, such as affiliate programs, is used. If your site participates in an affiliate program, make sure your site adds value to it. Provide unique and relevant content that gives users reason to visit your site first.
These are some of the most common methods of Black Hat SEO, and fourth clearly points out that you should not load pages that use irrelevant keywords. Then synthesize some other operation ranking means reverse push, get meta tag set idea:
1. Appropriate repetition of keywords
Keyword stacking is an effective way to increase ranking, so set up keywords in title,keywords,descrition and include as many times as possible, but not close to the stack.
2. Combination of keywords
Many around the keyword set more long tail, related keywords can strengthen the main keyword, so in the control of the length of the meta tag to set the long tail, related keywords to further avoid stacking danger, specific length reference search results intercept the length.
3. The same META tag setting trade-offs
Many web site programs have certain limitations on META tag settings. such as some ASP Web site management system, the column set label for the same. At this time please use the META tag carefully, if all of your columns are related to the key words, it is recommended to set up m, if the contents of the column between the larger differences, the proposed synthesis of several columns set description, give up keywords. and the content label is the same words proposed to abandon the establishment of keywords and decrition. Otherwise, it is not worth to fall the weight of the unrelated charges.