> ## Documentation Index > Fetch the complete documentation index at: https://docs.retellai.com/llms.txt > Use this file to discover all available pages before exploring further. # Check estimated latency > View estimated end-to-end latency for a Retell agent before going live — see which turtle-icon features are pushing latency higher than expected. Retell platform achieves latency as low as 600ms, measured from when the user stops speaking to when the AI agent begins responding. In the agent detail page, under the "Estimated Latency" section, you can view the average latency for the agent. Estimated Latency Please note that certain settings will increase latency. These settings are marked with a turtle icon. Increase Latency