
Latency numbers every frontend developer should know
Latency numbers every web developer should know
572 articles from Vercel.

Latency numbers every web developer should know


See a full working demo of how we built the interactive Vercel Ship '24 badge using React Three Fiber and react-three-rapier.

Learn how Vercel's platform primitives enable safe and scalable blue-green deployments that mitigate the risks of rolling out new software versions.


With v0 and the Vercel AI SDK, you can go from AI pipe dream to working prototype in just a few hours. See how AI can transform your ecommerce storefront.


We're reducing pricing on Vercel fundamentals like bandwidth and functions.

Design Engineers at Vercel blend aesthetic sensibility with technical skills. Learn about Vercel's philosophy on what Design Engineering is and how we work.


Learn how Vercel protects the AI SDK Playground using our best-in-class DDoS mitigation, Next.js Middleware, and our partner Kasada.




Faster development cycles, better personalization, increased site performance, and more. Here are the benefits composable commerce can offer.

Uplevel your flags workflow with the Vercel Toolbar

Stream React Components from LLMs to deliver richer user experiences

Optimize your web presence for maximum uptime, scalability, and security. Discover the power of frontend clouds for enterprise resilience.

Deploy quickly and safely with Vercel without merge queues

Vercel's Frontend Cloud is designed with high availability at its core, to maintain uptime for dynamic applications.

Our first major iteration of Vercel Functions with increased concurrency, longer durations, faster cold starts, streaming, and more.

Vercel and WPP: World-class creativity enabled by technology, with six trends driving the future of the web.

We've finished porting Turborepo, the high performance JavaScript and TypeScript build system, from Go to Rust.

Vercel's AI Integrations and AI SDK connect your frontend to leading AI providers for text, image, and audio models, making it easy to build streaming chatbots, RAG systems, and generative experiences in Next.js.

Leverage iframes for payment processing to enable PCI compliance and maintain secure transactions on Vercel.

Learn why streaming is critical for performance and how the Next.js App Router integrates with React Suspense to easily enable streaming UI.

Understand your application's Google page experience ranking and Lighthouse scores. We'll dive into what they are, how they’re measured, and how your users and search ranking are impacted by them.


Learn how to use the Next.js App Router more effectively and understand the new model.

Forrester's Total Economic Impact study found Vercel's Frontend Cloud delivers a three-year 264% ROI and $9.53M in benefits, with 90% less infrastructure management time and 4x more major releases.

Vercel's Frontend Cloud offers a complete Developer Experience (DX) Platform, to automate complex systems and offer best-in-market iteration velocity.

Go composable with Vercel's Frontend Cloud to unlock faster iteration velocity, from AI-ready architecture and instant previews to generative UI with v0 that turns text prompts into production code.

Vercel's Conformance and Code Owners bring automated static analysis and framework-defined code ownership to enterprise teams, catching performance and security issues before production while ensuring the right reviewers approve every change.

The user experience of the Frontend Cloud: Part 2 of the developer's guide to a future-proofed stack.

A collection of tips to make faster Next.js websites by maximizing work on the server and minimizing the burden on the client.


An introduction to the underlying infrastructure of the Frontend Cloud: Part 1 of the developer's guide to a future-proofed stack for the modern frontend.

Transition from monolithic to monorepo architectures with Vercel. Explore feature flags for safe releases, incremental builds for quick iterations, and skew protection for version consistency to ease codebase management and speed up development.

PPR combines ultra-quick static delivery with fully dynamic capabilities and we believe it has the potential to become the default rendering model for web applications, bringing together the best of static site generation and dynamic delivery.

Vercel and Next.js 14: Server Actions, Experimental Partial Prerendering, Next.js faster startups, and other announcements.

Vercel's Frontend Cloud offers support for deploying complex and dynamic web applications with managed infrastructure so you have control and flexibility without having to worry about configuration and maintenance

Learn how cookies function, how they are used by websites, and the importance of managing them for privacy and security.

How solving barrel files led to faster cold boots and build times.


New controls to help you safely scale your projects and prevent unexpected bills.

Explore the SameSite cookie attribute's significance in ensuring web security and user privacy to strike the right balance between security and usability.

Understand the mechanics and risks of Cross-Site Request Forgery (CSRF) attacks, and discover crucial development practices, like anti-CSRF tokens and appropriate use of HTTP methods, to fortify web applications against such threats

Learn about the differences between FID and INP and how to optimize your website's INP score.



The way your team builds software matters: Create a developer experience that promotes iteration

Vercel achieves the ISO 27001 certification validating that our information security practices adhere to globally accepted standards.


In this Turborepo migration update, we explore the innovative strategies, such as the "Go Sandwich" approach and leveraging Zig's cross-compilation, guiding our gradual shift from Go to Rust, aiming to boost performance without sacrificing stability.

Projects that require migrations should aim for incremental migrations

Watch 28 talented AI startups show off impressive demos in 3 minutes each as part of our AI Accelerator Demo Day.




A high-performance ecommerce template, including support for BigCommerce, Medusa, Saleor, Shopify, and Swell.