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COMPANIES.RU · INTERNET SERVICES

Knowledge base

Short guides to domains, hosting, websites, security and AI.

How to choose and register a domain?

Short, easy to say, no hyphens or digits. For Russia — .ru or .рф, worldwide — .com. Check availability in the form above, register it to yourself or your compa…

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What is DNS and how do I point a domain to hosting?

DNS is the Internet’s “address book”: it links your site name to a server and mail. To make a domain work, set the hosting NS servers at the registrar. Changes …

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Shared hosting, VPS or a dedicated server?

Hosting is space on a shared server: cheap and simple for sites and shops. A VPS is a virtual server with its own resources and settings. A dedicated server is …

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What does 99.99% uptime mean?

It is the share of time your site is available. 99.99% means no more than about 4–5 minutes of downtime a month. For a business, customers almost never see an e…

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CMS, site builder or a custom site?

A builder is a quick start for a simple site. A CMS is a flexible site or shop you update yourself in a control panel. Custom is for your own design, integratio…

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How to move a site without downtime?

We copy files and the database to the new hosting, test it on a temporary address and only then change DNS. Keep the old hosting until the change has spread. Fu…

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Why does a site need SSL (https)?

A certificate encrypts data between visitor and site and shows the browser padlock. Without it browsers show warnings and search engines rank the site lower. It…

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Backups: how often and where?

Files and database — daily; keep several copies, including off the main server. Once a month check that the site really restores from a backup.…

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How does an AI chatbot help a business?

It answers customers 24/7 from your prices and terms, suggests products, takes requests and hands complex questions to a manager. Works on your site and in mess…

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An AI agent is more than a chatbot?

An agent not only answers but acts: creates CRM deals, books clients, checks order status. It gets minimal permissions and a human approves important steps.…

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SEO or ads: where do customers come from?

Ads bring requests right away while the budget runs. SEO takes longer but brings search customers continuously. Best results come together: ads at launch, SEO a…

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Why e-mail on your own domain?

An address like info@company.ru earns more trust than a free mailbox and stays with the company when staff change. Set up SPF, DKIM and DMARC records for reliab…

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