The idea of ​​"separate domains for different languages" often sounds appealing: it seems like it will make it easier for search engines to understand the structure and for users to find the desired version of the site more quickly. However, the appropriateness of this approach depends on the scale of the project, the geographic reach of the audience, and how exactly the localization is organized. In general, separating your website into different domains can be justified when the language versions effectively function as independent storefronts and have their own URLs, marketing channels, and promotion plans. In this case, a separate domain reduces the risk of confusing relevance signals and helps you more accurately target your content to your audience. When individual domains really help The first strong argument is the independence of domain signals. If the English-language version regularly receives queries and links, while the Russian-language version develops separately, search engines can better identify which version is relevant to a specific language and region. This is especially relevant for international brands, where language is closely tied to geography. The second scenario involves different audiences and product lines. For example, when each language version has its own sections, product range, delivery terms, or local campaigns. In this case, a "single domain with translations" may appear less relevant, because the content varies more than just translated articles. The third factor is manageability and scale. For large websites with multiple brands or verticals, separate domains can simplify launching into new markets: it allows for faster structure changes, allocating SEO/marketing budgets, and controlling technical parameters without the risk of impacting other languages. Main risks and what to look out for The main risk is incorrectly pairing language versions. Even with different domains, search engines must understand the correspondence between languages. Therefore, it is critical to correctly configure hreflang (in the right formats and on the right pages) and ensure stable redirects where they are needed. Another risk is the dilution of link equity and promotion costs. If you divide authority among multiple domains, each domain may take longer to accumulate trust, and the SEO budget is spread across a larger number of entities. In practice, this often means either a larger resource is needed or a simpler localization model should be used. How to understand that the domain model is right for you Typically, separate domains are chosen when a number of criteria are met: the project is international and large-scale, the language is closely tied to the region, the versions have different marketing and content, and the team has the resources for separate technical and SEO management. There is a clear product and marketing logic for each language/market. The content is not reduced to “translation for the sake of translation” – it is adapted in essence. You are ready to support separate promotion processes for each domain. The technical team ensures correct hreflang markup and redirects. If the site is small or the language versions differ only in text translations, a single-domain structure with subfolders or subdomains and neat language markup is often more effective. This allows for faster authority building in a single location and reduces operational complexity. The bottom line is simple: separate domains may be the right solution, but not because "it's the default." They're a tool for a specific strategy—when you want different language showcases to be perceived and promoted as independent entities, and are prepared to provide technical consistency and support.