How much latency does using Ably's adaptors add?

The Pusher and MQTT adaptors add very little latency (of the order of 1ms to 10ms max).

The Pubnub adaptor can be a lot more variable because Pubnub's protocol is inherently long-polling which is a bigger impedence mismatch.

If you any questions then reach out by emailing support@ably.com and we'll be happy to help.