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@@ -1,3 +1,11 @@
 # yacd
 
 > Yet Another Clash Dashboard
+
+Note for Firefox user:
+
+**yacd** is using the [Fetch (Web) API][fetch-api] to stream chunked API response from Clash to draw the traffic chart. But currently the streaming feature in Firefox needs to be turned on manually. Here is how to:
+
+Visit `about:config`, search for `dom.streams.enabled` and `javascript.options.streams`, double click those item to turn them on.
+
+[fetch-api]: https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API