SSE vs WebSockets

Comparing Real-Time Communication Protocols

Bartłomiej Żyliński
SoftwareMill Tech Blog
10 min readFeb 26, 2024

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In today’s text, I want to take a closer look at Server Sent Events (or SSE for short) and WebSockets. Both are good and battle-tested approaches to data exchange.

I will start with a short characteristic of both tools — what they are and what they offer. Then, I will compare them according to eight categories, which, in my opinion…

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