Frontend System Design
/Beginner
Polling
Definition
Short Polling is the client making repetitive HTTP requests to the server at fixed intervals (e.g., every 5 seconds) to check for new data.
Explain Like I'm New
Kids in the back seat constantly asking 'Are we there yet? Are we there yet? Are we there yet?'
Interview Questions
basic
- What is the core concept of Polling?
- What are the pros and cons of Polling?
intermediate
- How does Polling impact SEO and initial page load times?
- When would you NOT choose to use Polling?
advanced
- How does Polling fit into a heavily scaled microservices architecture?
- What are the security implications of Polling?
trick
- Can you combine Polling with other rendering strategies on the same page?