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Two Modern Web Guidance releases in one week?! v0.0.193 is out, teaching coding agents how to: • restrict outbound network connections (Connection-Allowlist) • validate origins without string parsing (Origin API) • verify email address ownership without OTPs • build draggable floating elements

goo.gleModern Web Guidance | Chrome for DevelopersSkills that embed web platform expertise and best practices directly into your coding agents.

Rick Viscomi

@rviscomi.dev

Also refined in v0.0.193: • hero image preloading in cross-document View Transitions (<link rel="expect"> waits for DOM parse, not image decode) • nonce CSP paired with Trusted Types & __Host- cookies • 50% smaller, 100% offline CLI search bundle • paint-order now Baseline Widely Available

8/10/26, 12:25 am0 reposts1 like

Rick Viscomi

@rviscomi.dev

Credits for v0.0.193: Connection Allowlists, Origin API, email verification + CSP/Trusted Types by @rowan.fyi draggable elements by @sturobson.com cross-document View Transitions by @bram.us smaller offline CLI search by @paul.irish 👏👏 github.com/GoogleChrome...

github.comRelease v0.0.193 · GoogleChrome/modern-web-guidanceRelease Notes: v0.0.193 🆕 New Guides restrict-outbound-connections: Restrict a page or worker to communicating only with an explicit allowlist of network endpoints to prevent unauthorized third-pa...