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Scott and Wes discuss the cache problem in web development, covering user-specific data and caching security. They explore challenges like marketing A/B testing, content negotiation, and solutions such as different URLs/query parameters, edge logic, and client-side caching.
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Quick takeaways
- User-specific data improperly cached can lead to serving incorrect website themes, emphasizing the need for effective cache management.
- Using cache keys and edge functions can dynamically modify cached pages based on user preferences, addressing challenges with serving different content variants.
Deep dives
Understanding Cache Issues and Solutions
The podcast delves into the complexities of caching, highlighting how issues with caching can lead to unexpected problems like serving up cached versions of website themes. This intermittent issue, often challenging to identify and solve, can arise when user-specific data is incorrectly cached at a CDN level. The discussion emphasizes the significance of managing cache effectively to prevent serving incorrect content to users. Various caching solutions are explored, such as using query parameters for different content variants and employing edge functions to dynamically modify cached pages.
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Listen to the best highlights from the podcasts you love and dive into the full episode