The latest articles on DEV Community by Padmesh (@padmesh21). https://dev.to/padmesh21 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3996010%2F9b0e527d-0a16-4c55-a71b-c3b13ee5f03f.png https://dev.to/padmesh21 en Padmesh Mon, 22 Jun 2026 04:19:11 +0000 https://dev.to/padmesh21/short-polling-long-polling-concepts-25mb https://dev.to/padmesh21/short-polling-long-polling-concepts-25mb <p>Polling is a communication method where client repeatedly sends request to the server to check if any data is available</p> <p>It has 2 methods :</p> <ul> <li>Long Polling</li> <li>Short Polling</li> </ul> <p>Both methods allow a client to receive updates from a server but they differ significantly in performance and resource usage</p> <h2> <strong>Short Polling :</strong> </h2> <ol> <li>When a client sends request to the server repeatedly in a fixed interval of time until it gets the desired response its called Short Polling</li> <li>It increases the load of the server if the client sends requests in a very short period of time interval</li> <li>Therefore Long Polling is prefered over Short Polling</li> </ol> <h2> <strong>Long Polling :</strong> </h2> <ol> <li>When a client sends a request and the server waits for the data to get ready to be sent as response to the client is called Long Polling</li> <li>It will decrease the server load completely </li> <li>Since it stays connected to a client till the response is ready every request will occupy a port and ports are limited</li> </ol> systemdesign