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Daniel Cheong

Senior Frontend Engineer at SGBP — Vue, Nuxt, Astro and design systems for Singapore SMEs and B2B brands.

Location Singapore Joined Joined on  Personal website https://sgbp.tech
Your Product schema is invalid and you don't know it — the price string gotcha
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Your Product schema is invalid and you don't know it — the price string gotcha

#webdev #seo #json
2
Comments 1
3 min read
Your JWT expiry check is off by 1000x — the NumericDate gotcha
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Your JWT expiry check is off by 1000x — the NumericDate gotcha

#javascript #webdev #security
1
Comments 1
3 min read
Why lightening a hex color in RGB gives you grey (and the HSL fix)
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Why lightening a hex color in RGB gives you grey (and the HSL fix)

#css #javascript #webdev
Comments 1
3 min read
atob() can't decode a JWT — the Base64URL gotcha (and the fix)
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atob() can't decode a JWT — the Base64URL gotcha (and the fix)

#javascript #webdev #security
1
Comments
3 min read
Your contrast checker probably lies about rgba() text
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Your contrast checker probably lies about rgba() text

#a11y #css #javascript
3
Comments
3 min read
How we cut INP from 480ms to under 200ms on a legacy site (no rewrite)
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How we cut INP from 480ms to under 200ms on a legacy site (no rewrite)

#webdev #performance #javascript #webperf
Comments
1 min read
I shipped 14 AI features to production in 2025. Here's the checklist nobody talks about.
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I shipped 14 AI features to production in 2025. Here's the checklist nobody talks about.

Comments
6 min read
How to add a Gemini-powered chatbot to any legacy site in ~2 hours (with code)
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How to add a Gemini-powered chatbot to any legacy site in ~2 hours (with code)

#ai #gemini #javascript #tutorial
1
Comments
7 min read
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