It is an important part of the domain, since it

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determines the professional and regional affiliation of the web resource. For example: .com, . ru, .gov, .net, etc.;

Second level
Serves to clarify the activities and regional affiliation of the site. For example: repaircars.com, where repaircars is the 2nd level domain, .com is the 1st level domain;

Third level
Is a resource within the 2nd domain. Usually used for functional designation of ukraine whatsapp number database servers. For example: mail.letters.com – means mail server.

How does the domain zone affect website promotion?
The search engine does not pay attention to the domain zone, so it does not affect the ranking in any way. However, it is worth clarifying that if Google does not specify the regional affiliation (a Russian site will be defined simply as Russia), then Yandex can assign a geolocation right down to the city.

This is not a problem for informational sites, but commercial ones may experience problems. It turns out that everything comes down to the level of trust of the search engine to the promoted site.

Description of domain zones
The description of the domain zone helps to decide on the choice of zone when registering the corresponding domain. Domain zones are divided into:

National
Used for a specific country, are top-level domains (For example: .рф – RF, .tr – Turkey, .de – Germany, .us – USA, etc.);
Regional
Intended for a specific region or city (subregional). For example: .kazan – Kazan, .moscow – Moscow, .asia – Asia, etc.;
Global
Used for any country and audience. For example: .net – network services, .com – commercial organizations, .info – information resources, etc.;
Thematic
Emphasize the theme of the site. Sometimes it is necessary to confirm qualifications or activities. For example: .shop – stores, .dev – developers, etc.;
For a separate category of persons
Registration is available only to certain organizations. For example: .gov – the US government, its departments, .edu – educational institutions, .pro – for professionals from various fields (seowebs.pro), etc.