The following types of requests are distinguished

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The search engine simultaneously analyzes the user and the search query itself according to the following criteria:


After the search query has been parsed into parameters and classified into one of the listed types, the search engine selects a ranking function.

How search engines work

Search engines do not disclose information about the ranking of search queries, so the example in the picture above is just an assumption of SEO specialists.

Knowing the types of queries is necessary for chiropractor email address choosing a website promotion strategy. For example, if a user enters a general query, the search engine will give him links of different types (commercial, multimedia, informational, etc.). If you are promoting your commercial website for a general query and want to bring it to the top ten search results, then with a high probability you will not get into the TOP, but only into the number of places for commercial Internet resources, determined by the ranking formula of the search engine. It turns out that promoting a site to the first lines in search results for general search queries is much more difficult than for other types.

Since 2009, the Yandex search engine has been using Matrixnet machine learning , a special algorithm that ranks websites based on specific queries.

How search engines work

The basic principle of this algorithm is as follows: the assessor department collects primary information to evaluate the effectiveness of the ranking formula. The employees of this department, based on the experimental formula, evaluate a sample of Internet resources according to certain parameters:

Vital - the official Internet resource of the company or not. This can be a website, a page on a social network or information on authoritative resources.

Useful (rating 5) — a site that provides all the necessary information for a search query. For example, a user enters “banner fabric” in the search bar.

In order for the algorithm to rate a resource as useful, it must contain the following information:

what is banner fabric;

technical specifications;

photos;

types;

price list;

additional data.

Examples of queries that appear in the TOP of search results:

How search engines work

Relevant+ (score 4) - this score indicates that the information on the site matches the search query.

Relevant - (score 3) - the site does not fully match the search query. For example, if the query "guardians of the galaxy showtimes" the search engine shows links to pages about the film, but without a showtime schedule or with an outdated schedule.

Irrelevant (score 2) — the site does not answer the search query. For example: a user searches for information on one hostel, but the search engine gives him a page for a completely different one.

To promote a website for general or informational search queries, you need to optimize its content in such a way that the search engine assigns a “useful” rating during ranking.