CDN Website Migration Checklist: DNS, SSL and Cache Warm-Up

CDN Website Migration Checklist: DNS, SSL and Cache Warm-Up

CDN Website Migration Checklist: DNS, SSL and Cache Warm-Up

Migrating your website's content delivery network (CDN) can be a complex process that requires careful planning and execution. In this guide, we'll cover the key steps involved in the successful migration of your website, focusing on DNS updates, SSL certificate deployment, and cache warm-up strategies. Follow this checklist to help simplify your transition and minimize downtime.

1. DNS Migration

The Domain Name System (DNS) is the backbone of your online presence. When migrating CDNs, you need to update your DNS records to point to the new CDN endpoints. Ensure that you:

  • Review and update your DNS records.
  • Adjust Time-To-Live (TTL) settings to facilitate faster propagation during migration.
  • Monitor the DNS propagation status across all regions.

2. SSL Certificate Setup

Security is critical for maintaining user trust and protecting data. Deploy the SSL certificates on your new CDN endpoints to ensure encrypted connections. Key considerations include:

  • Reissuing or renewing SSL certificates if necessary.
  • Ensuring the proper installation of intermediate certificates.
  • Testing HTTPS connectivity across different browsers and devices.

3. Cache Warm-Up

Cache warm-up is essential to improve the initial load times for your users after migration. By pre-populating the cache, you help minimize latency and ensure a smoother transition. Here are some steps to achieve this:

  • Preload frequently accessed content through automated scripts or manual requests.
  • Monitor cache hit ratios and optimize settings accordingly.
  • Coordinate with your CDN provider for any additional cache optimization tools.
Digital Checklist for DNS, SSL, and Cache Warm-Up

For a deeper dive into CDN migration strategies, check out our detailed guide available here.

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