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What is SEO and why is it important?

Author:Semrush Team
1 min read
Sep 24, 2025

SEO (Search Engine Optimization) is the practice of improving your website so it appears higher in Google search results when people look for topics related to your business. SEO is important because it helps you earn unpaid, ongoing traffic from search engines by making your website more useful and discoverable.

Here are additional reasons why SEO is important:

  • Drives free, qualified traffic. People searching for your products or services find you naturally without ongoing advertising costs
  • Builds credibility and trust. Users typically view top-ranking websites as more authoritative and trustworthy sources
  • Provides long-term, sustainable growth. Unlike paid ads that stop working when you stop paying, SEO benefits compound over time
  • Reaches customers when they're ready to buy. SEO connects you with people actively searching for solutions you provide
  • Improves user experience. SEO requires faster loading speeds, mobile-friendly design, and helpful content that benefits all visitors
  • Offers measurable business results. Track how SEO improvements lead to more website visitors, leads, and sales
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Developer - Sandesh Kushwaha