WebSockets on Vercel Functions: Real-Time Without a Separate Server

<h2>The WebSocket Default Trap</h2> <p>When building a modern B2B SaaS dashboard at Smart Tech Devs, you often need real-time updates. If a background job finishes processing a

<p>Modern applications thrive on instant updates — from live chats and notifications to collaborative tools and trading dashboards. Traditional HTTP requests can only go so far

<p>I got an email from Vercel.</p> <p>"You've used 75% of your free plan resources."</p> <p>I ignored it.</p> <p>A few hours later, I was at 100%.</p> <p>I'd been building

<p>When spectr-ai analyzes a smart contract, it's not instant. The LLM needs time to reason through the code, identify vulnerabilities, and generate structured output. That

<p>When we need "real-time" data in a frontend application, WebSocket is usually the first thing that comes to mind.</p> <p>But real-time does not automatically mean

<p><em>Part I of the series "Don't Let the User Wait - Render Quickly to Keep Their Attention."</em></p> <h2> The problem hiding inside SSR </h2> <p>Server-Side Rendering promises

<p>API design patterns<br /> API event architecture<br /> API integration strategies<br /> API latency comparison<br /> API performance optimization<br /> API resource

<p>I've been building a personal AI assistant for my developer blog – you know, one of those floating chat widgets that answers questions about my projects. The idea was simple: