SSE-Tester
Kostenloses Online-Server-Sent Events-Verbindungen testen und Echtzeitnachrichten anzeigen, keine Installation
What is Server-Sent Events (SSE)?
Server-Sent Events (SSE) is a server push technology enabling a browser to receive automatic updates from a server over HTTP connection. Unlike WebSockets which are bidirectional, SSE is one-way (server to client). It's perfect for live updates, notifications, stock tickers, and real-time feeds.
How to Use This SSE Tester
Enter an SSE endpoint URL, click Connect to subscribe. The tool displays incoming events with their data, event type, and ID. You can monitor connection status and view all received messages in real time.
▶What's the difference between SSE and WebSockets?
▶Does SSE work in all browsers?
▶Can I send headers or authentication?
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