Dynamic

Polling vs Server-Sent Events

Developers should use polling when building applications that need to monitor state changes, fetch updates from APIs without WebSocket support, or in embedded systems where hardware constraints limit push-based methods meets developers should learn sse when building applications that require real-time, server-to-client updates, such as live dashboards, chat applications, or news feeds, as it offers a lightweight and easy-to-implement alternative to websockets for one-way data flow. Here's our take.

🧊Nice Pick

Polling

Developers should use polling when building applications that need to monitor state changes, fetch updates from APIs without WebSocket support, or in embedded systems where hardware constraints limit push-based methods

Polling

Nice Pick

Developers should use polling when building applications that need to monitor state changes, fetch updates from APIs without WebSocket support, or in embedded systems where hardware constraints limit push-based methods

Pros

  • +It is particularly useful for simple monitoring tasks, such as checking for new messages in a chat app, tracking file upload progress, or querying sensor data in IoT devices, where low-frequency updates are acceptable and implementation simplicity is prioritized over efficiency
  • +Related to: long-polling, webhooks

Cons

  • -Specific tradeoffs depend on your use case

Server-Sent Events

Developers should learn SSE when building applications that require real-time, server-to-client updates, such as live dashboards, chat applications, or news feeds, as it offers a lightweight and easy-to-implement alternative to WebSockets for one-way data flow

Pros

  • +It is particularly useful in scenarios where you need to avoid the complexity of bidirectional communication or when working with HTTP/1
  • +Related to: websockets, http

Cons

  • -Specific tradeoffs depend on your use case

The Verdict

Use Polling if: You want it is particularly useful for simple monitoring tasks, such as checking for new messages in a chat app, tracking file upload progress, or querying sensor data in iot devices, where low-frequency updates are acceptable and implementation simplicity is prioritized over efficiency and can live with specific tradeoffs depend on your use case.

Use Server-Sent Events if: You prioritize it is particularly useful in scenarios where you need to avoid the complexity of bidirectional communication or when working with http/1 over what Polling offers.

🧊
The Bottom Line
Polling wins

Developers should use polling when building applications that need to monitor state changes, fetch updates from APIs without WebSocket support, or in embedded systems where hardware constraints limit push-based methods

Disagree with our pick? nice@nicepick.dev