Dynamic Page Customization with Edge Functions

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Exploring a strategy to run an online store without prices to prevent sales loss, followed by an explanation of edge functions through Cloud4Work integration. The chapter showcases a demonstration of writing a Cloud4Worker to adjust webpage elements dynamically based on user preferences, emphasizing the effectiveness of Edge Functions in application front.

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.