local-development

Development workflows using file:// protocol

Web Why Blob URL CSS Fails in Iframe on File:// & Fix

Fix blob URL iframe issues where CSS doesn't apply locally via file:// protocol due to blob null origin and SOP blocks. Use data URLs, srcdoc, or document.write as alternatives for local dev without a server.

#blob-urls
#css
#data-urls
#iframes
#local-development
#web-security

1 answer• 1 view

02/03/2026, 03:29 PM

Web Fix Laravel Reverb WebSocket ERR_CONNECTION_REFUSED Error

Resolve WebSocket connection refused (ERR_CONNECTION_REFUSED) in Laravel Reverb during local development with self-signed certificates. Step-by-step fixes for .env, reverb.php, broadcasting.php configs, mkcert, and Herd proxying for secure wss:// connections.

#laravel
#local-development
#reverb
#ssl
#websockets

1 answer• 1 view

01/17/2026, 04:19 PM