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What is SEO (search engine optimization)?

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Quick answer

SEO (Search Engine Optimization) is the practice of improving a website so it ranks higher in search engines like Google, bringing more free 'organic' traffic. It blends content quality, technical setup, and trust signals. Goal: rank higher for what your audience searches.

Key things to understand

  1. Goal: rank higher for what your audience searches.
  2. On-page: useful content matching search intent + good structure.
  3. Technical: fast, crawlable, mobile-friendly, well-structured pages.
  4. Off-page: links and reputation that signal authority.

People also ask

How does SEO work?
Search engines crawl, index, and rank pages by relevance and quality; SEO optimizes those factors to rank higher.
How long does SEO take?
Usually months — it compounds as content and authority grow, unlike paid ads which stop when you stop paying.
What's the difference between SEO and ads?
SEO earns free organic rankings over time; ads buy immediate visibility that ends when the budget does.