Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.
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753: Cache Ruins Everything Around Me
Scott and Wes dive into the cache problem, tackling user-specific data and caching security. From marketing A/B testing to content negotiation, they explore various challenges and solutions, including different URL/query parameters, edge logic, and client-side caching.
Show Notes- 00:00 Welcome to Syntax!
- 01:22 Syntax is on YouTube.
- 02:16 Let’s talk about the cache problem.
- 03:33 User-specific data and caching security.
- 06:27 Why might this pop up?
- 06:29 Marketing A/B testing - cookie based.
- 06:55 User-selected features - such as themes.
- 06:58 Language or geo-based items - accept language.
- 07:11 Images - WebP for some browsers, jpg for others.
- 07:45 JSON/HTML based on accept header.
- 08:17 Different encoding.
- 08:26 Content negotiation.
- 08:54 The solutions.
- 09:04 Provide different URLs/Query parameter.
- 11:19 Don’t cache the page, cache the data based on query.
- 15:01 Implement a “Cache Key” - one render for every option.
- Netlify
- Fastly
- Cloudflare
- 18:17 Use edge logic.
- 19:52 Just do it client-side.
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