Search engine optimization

Search engine optimization, a set of measures to raise the site positions in search engine results for certain queries users for the purpose of promoting a website. Typically, the higher the position of the site in search results, the more interested visitor passes at him from the search engines. In analyzing the effectiveness of search engine optimization valuing the target visitor to the time to get your site listed on the position and the conversion of the site.
Key areas of work

Search site allows the following options in the calculation of its relevance (the extent to which the entered request):
keyword density (complex algorithms of modern search engines can produce semantic text analysis to weed out search engine spam, in which the keyword appears too often).
Citation Index of the site, depending on the number and credibility of web resources that link to this site, many search engines do not take into account cross-references. Often, it is also important to have links to the sites on the same topic as the optimized site.
Accordingly, all of the factors that affect your ranking in search engine can be divided into external and internal. Work on optimization involves working with internal factors (under the control of the website owner) - bringing the text and page layout in line with the selected queries, improving the quality and quantity of text on the site, Text format (headings, bold font), improving structure and navigation, the use of internal references, as well as external factors.
External factors are divided into static and dynamic.
Static external factors determine the relevance of a site based on its citation external web resources, as well as their credibility, regardless of the text citation.
Dynamic external factors determine the relevance of a site based on its citation external web resources and their authority according to the text citation.
Methods of external search engine optimization:
Join in separate directories. It can be done manually or by using special resources.
Registration in catalogs search
Link Exchange. There are several ways to share - straight, circular, single-sided (buying links).
Placement of articles.
Social networks.
Press releases.
Creating and maintaining blogs.
The person conducting the job of optimizing websites is called optimizer.
There are various SEO- services to help facilitate the work of SEOs and website owners an opportunity to promote their own.
The factors that down- ranked site include:
No unique content
technology that search engines consider spam.
the excess number of external links;

optimization Methods
Optimization methods can be divided into three classes, but recent events in the world of search engines make it clear that this division is rather conditional - any manipulation of certain parameters of the site can be viewed by the search engine as a very adverse effect on its results.

white optimization

White optimization - optimizatorskih work on a resource without officially banned each search engine methods of promotion of the resource - with no impact on search algorithms sites. This includes work on the site itself, namely on the internal navigation and content, and work with the environment site that is promoting the optimized site through surveys, press releases, registration, social bookmarking, affiliate programs and so on, indicating links to the site.

Grey optimization

By the gray search engine optimization include adding a large number of keywords in the text of the page, often at the expense of readability for humans, such as "oil oil because it has masloproizvodnye oily fats." In this optimization is the first in the selection of keywords for a particular web page, determining the size of the target «SEO- text " and the required frequency of keywords in it, and then to formulate sentences and phrases, which contain the key requests a certain number of phrases in different cases, singular and plural, in various forms of verbs. These parameters can then be adjusted according to the results of search engines. The task SEO- copywriter - to write the original text so that such optimization was the least noticeable "live" to the reader (and in particular the moderator search engine ). It is widely used as a key request inclusion in HTML- tags title, h1, attribute meta keywords.
Another example of a gray optimization - a doorway without a redirect, when in contact with a doorway does not automatically redirect to the promoted website.
Grey optimization is different from the black so that it is not officially banned, but its use may still be regarded as unnatural overstating popularity of the site. Some search engines, such as, Google, may temporarily or permanently block such a site. That is, the final decision on whether the methods of promoting legal or not, take a specialist - the moderator search engine, not a program.

black optimization

By the black optimization are all methods that are contrary to the rules of the search engines. Among them are the following: the use of doorway pages (pages and resources created specifically for the search engine robots, often with a large number of keywords on the page), the reception called cloaking (the user is given one page, easy to read, and a spider - the other is optimized under any requests), the use of hidden text on the site, the use of "single-pixel reference."