The power of progressive enhancement
summary
Argues that building up from a simple, semantic HTML baseline and then layering Vanilla JavaScript, Web Components and modern CSS gives a resilient, accessible product: demonstrates a toggle panel implemented as a web component that uses slots, delivers readable content with JS off, and enhances without extra dependencies. Shows three-line CSS Grid that turns a stacked layout into a responsive grid. Cites real numbers — page ~1.5 MB and connections like Paraguay 1 Mbps, India 6.5 Mbps — to justify lighter, hack-free delivery.
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chapters (17)
- 0:00Start
- 4:10Fast, reliable internet is a LUXURY, not the standard
- 7:59You can improve performance with progressive enhancement
- 12:41How does progressive enhancement work?
- 12:55What the heck is that?
- 14:37Provide the most possible value to a user with the least possible technical capability
- 15:11A quick example
- 16:16The fancy interaction doesn't have to work for the user to get any value
- 18:33Progressive enhancement is a mindset change
- 20:43Simple setup = focus on what's important
- 28:37Let's put heavy duty CSS frameworks away
- 30:38What is the minimum viable experience and how can we enhance it?
- 32:08A user doesn't care how your thing was built
- 32:45Recap
- 33:16Ditch the fallbacks, hacks and heavy frameworks
- 33:49Create a resilient, user-focused experience
- 34:12Thank you
