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  • Glossary

    Core Web Vitals

    Google’s metrics for loading speed, responsiveness and visual stability.

    Advanced
  • Glossary

    Schema markup

    Code that describes page content to search engines in a standard format.

    Advanced
  • Glossary

    404 error

    The response a server gives when a page cannot be found.

    Beginner
  • Glossary

    Duplicate content

    The same or very similar content available at more than one URL.

    Intermediate