IT encyclopedia · What is…?

What is SEO and why does a website need it?

Short answer

SEO (search engine optimisation) means adapting a website so that Google and other search engines show it when people search for your services. It covers technical quality (speed, structure), content that answers people’s questions, and credibility (mentions, links). Good SEO means customers without paying for every click.

The three pillars of SEO

1. Technical SEO — can the search engine find and understand the site:

  • speed and the mobile version;
  • a logical page structure and links;
  • titles, descriptions, a sitemap;
  • correct URLs and redirects.

2. Content — does the site answer what people are searching for:

  • clear service descriptions;
  • answers to common questions;
  • real examples and projects.

3. Credibility — do others refer to you:

  • links from other websites;
  • reviews;
  • information about the company and its experts.

Why it matters

People searching for “inventory software” or “how to automate invoices” are already interested. If your site appears in their search results, you win customers at low cost.

More and more people ask ChatGPT or see Google’s AI answers. These systems value clear, structured content with direct answers — see how to appear in AI search. This IT encyclopedia is an example of that kind of content.

Our service Websites with an AI agent A website you change just by writing what you want.

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