Navigation Failed Because The Request Was For An Http Url With Https-only Enabled -

// Option A: Protocol-relative (Uses whatever the parent page uses) fetch('//mybackend.com/api/data'); // Option B: Absolute HTTPS (Forces encryption) fetch('https://mybackend.com/api/data');

The “Navigation Failed” Paradox: Debugging HTTP Requests in an HTTPS-Only World // Option A: Protocol-relative (Uses whatever the parent

This is not a server error (404, 500). It is a client-side refusal . The request never actually left your browser. // Option A: Protocol-relative (Uses whatever the parent

The golden rule of 2026 is simple: APIs, images, iframes, and fonts. // Option A: Protocol-relative (Uses whatever the parent