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📝 Clarify that the keep alive coment is `ping`

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Sebastián Ramírez 5 months ago
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      docs/en/docs/tutorial/server-sent-events.md

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docs/en/docs/tutorial/server-sent-events.md
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@ -107,7 +107,7 @@ This is useful for protocols like <a href="https://modelcontextprotocol.io" clas
FastAPI implements some SSE best practices out of the box. FastAPI implements some SSE best practices out of the box.
* Send a **"keep alive" comment** every 15 seconds when there hasn't been any message, to prevent some proxies from closing the connection, as suggested in the <a href="https://html.spec.whatwg.org/multipage/server-sent-events.html#authoring-notes" class="external-link" target="_blank">HTML specification: Server-Sent Events</a>. * Send a **"keep alive" `ping` comment** every 15 seconds when there hasn't been any message, to prevent some proxies from closing the connection, as suggested in the <a href="https://html.spec.whatwg.org/multipage/server-sent-events.html#authoring-notes" class="external-link" target="_blank">HTML specification: Server-Sent Events</a>.
* Set the `Cache-Control: no-cache` header to **prevent caching** of the stream. * Set the `Cache-Control: no-cache` header to **prevent caching** of the stream.
* Set a special header `X-Accel-Buffering: no` to **prevent buffering** in some proxies like Nginx. * Set a special header `X-Accel-Buffering: no` to **prevent buffering** in some proxies like Nginx.

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