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The CDN Guide for Business Websites

What a CDN does, what it should and should never cache, and how to set one up on WordPress, WooCommerce, Magento or a custom app without breaking checkout, login or payments. Includes a setup checklist and how to measure the result from India and the US.

PDF · 17 pages · Updated October 2026

For: Owners, marketers and developers running a business website or online store.

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What’s inside.

  1. What a CDN does
  2. Static and dynamic content
  3. How caching works
  4. Platform notes
  5. Choosing a CDN
  6. Setting it up safely
  7. Measuring the result
  8. Security at the edge
  9. Images and video
  10. Multi-CDN
  11. Common mistakes and myths
  12. One-page setup checklist

What you’ll be able to do.

  • What a CDN speeds up, and what it can’t fix.
  • Which pages to cache, and which never to cache: cart, checkout, account and admin.
  • Bypass rules for WordPress, WooCommerce and Magento.
  • How to choose a CDN and switch to it without breaking checkout or payment webhooks.
  • How to measure the result: cache hit ratio, TTFB and LCP.

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