Prompt

Optimize CDN configuration for performance.

<content_types>
{static assets, dynamic content}
</content_types>

<geographic_distribution>
{user locations and traffic patterns}
</geographic_distribution>

<current_performance>
{page load times by region}
</current_performance>

Optimize:
1. CDN provider selection
2. Cache header strategy
3. Origin shield setup
4. Dynamic content caching
5. Purge strategy
6. Cost optimization