974 articles on Performance.
Pushing code to GitHub is one of the most fundamental interactions that developers have with GitHub every day. Read how we have significantly improved the ability of our monolith to correctly and fully process pushes from our users.
Do perfect Lighthouse scores mean the performance of your website is perfect? As it turns out, Lighthouse is influenced by a number of things that can be manipulated and bent to make sites seem more performant than they really are, as Salma Alam-Naylor demonstrates in several experiments.
Learn how GitHub used macOS and Apple Silicon runners for GitHub Actions to build, test, and deploy our iOS app faster.
GitHub Actions now offers Arm-hosted runners with images built by Arm for developers to begin building on the latest and most sustainable processors on the market.
AI Gateway is an AI ops platform that provides speed, reliability, and observability for your AI applications. With a single line of code, you can unlock powerful features including rate limiting, custom caching, real-time logs, and aggregated analytics across multiple providers
Golang 1.20 introduced support for Profile Guided Optimization (PGO) to the go compiler. This post covers the process we created for experimenting with PGO at Cloudflare, and measuring the CPU savings
useDeferredValue is one of the most underrated React hooks. It allows us to dramatically improve the performance of our applications in certain contexts. I recently used it to solve a gnarly performance problem on this blog, and in this tutorial, I'll show you how! ⚡
In April, we experienced four incidents that resulted in degraded performance across GitHub services.
Learn about how we've improved startup performance with our Rust-powered functions.
Latency numbers every web developer should know
The three Core Web Vitals metrics don’t only tell you how visitors experience your website but also impact your Google search result rankings. In this article, we’ll look at what Core Web Vitals are, how they are measured, and how you can use DebugBear to monitor them continuously.
Everything you need to know for a fast and efficient workflow.
In March, we experienced two incidents that resulted in degraded performance across GitHub services.
Picsart, one of the world’s largest digital creation platforms, encountered performance challenges in catering to its global audience.
Measuring developer productivity is a difficult challenge. Conventional metrics focused on development cycle time and throughput are limited, and there aren't obvious answers for where else to turn. Qualitative metrics offer a powerful way to measure and understand developer productivity using data derived from developers themselves. Organizations should prioritize measuring developer productivity
This blog post was written by Josh Clemm, Senior Director of Engineering at Uber Eats. This is a repost from his LinkedIn article, approved by the author. On a cold evening in Paris in 2008, Travis Kalanick and Garrett Camp couldn't get a cab. That's when the idea for Uber was born. How great would it be if you could "push a button and get a ride?" Fast forward to today where Uber is the largest m
In February, we experienced two incidents that resulted in degraded performance across GitHub services.
Faster development cycles, better personalization, increased site performance, and more. Here are the benefits composable commerce can offer.
Express Cloudflare Network Interconnect makes it fast and easy to connect your network to Cloudflare. Customers can now order Express CNIs directly from the Cloudflare dashboard, and they will be ready to use in 3 minutes. Express CNI also simplifies setting up Magic Transit and Magic WAN
As an integral part of Shopify's ecosystem, our mobile app serves millions of merchants around the world every single day. It allows them to run their business from anywhere and offers vital insights about store performance, analytics, orders, and more. Given its high-engagement nature, users frequently return to it, underscoring the importance of speed and efficiency. At the beginning of 2023, we
The Performance API is a set of standards for measuring and evaluating performance metrics with JavaScript. This article demonstrates how to use the Performance API to generate performance metrics directly in the DOM to create your own reporting.
It’s well-established that the web faces wide-ranging usability and performance issues, from user-hostile UI patterns and twisted search results to sluggish performance and battery-draining bloat. In this article, Frederik examines one small-but-significant aspect where developers take the reins: Painting pixels on the screen.
In January, we experienced three incidents that resulted in degraded performance across GitHub services.
Our first major iteration of Vercel Functions with increased concurrency, longer durations, faster cold starts, streaming, and more.
We listened to your feedback and released new versions (v4) of actions/upload-artifact and actions/download-artifact. While this version of the actions to upload and download artifacts includes up to 10x performance improvements and several new features, there are also key differences from previous versions that may require updates to your workflows.
We've finished porting Turborepo, the high performance JavaScript and TypeScript build system, from Go to Rust.
This is our story of what we learned about the connect() implementation for TCP in Linux. Both its strong and weak points. How connect() latency changes under pressure, and how to open connection so that the syscall latency is deterministic and time-bound
You are looking for high speed data migration? Tests have shown that CYBERTEC Migrator can reach up to 1.5 GB / second.
Workers AI is now bigger and better with 8 new models and improved model performance
Learn why streaming is critical for performance and how the Next.js App Router integrates with React Suspense to easily enable streaming UI.
Large prototypes took minutes to load, and users took notice. Here’s how we overhauled our prototype player to improve load time and stability.
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.
In December, we experienced three incidents that resulted in degraded performance across GitHub services.
Useful front-end tools for CSS and JavaScript developers that were most popular last year and will help you speed up your development workflow. Let’s dive in!
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.
Take CODEOWNERS and GitHub teams to the next level. Learn about how GitHub engineering solves the age old problem of who owns what.
In November, we experienced one incident that resulted in degraded performance across GitHub services.
Enterprise businesses turn to Stripe for innovation and reliability. Stripe has invested in enterprise payment solutions such as payment optimizations, payment method coverage, faster payouts, multiprocessor support, and streamlined account structure.
Starting in March 2024, Interaction to Next Paint will formally replace First Input Delay as a Core Web Vital metric. Learn how the two metrics differ, why we needed a new way to measure interaction responsiveness, and how you can start optimizing the performance of your site now for a seamless transition to the latest Core Web Vital metric.
Cloudflare Gen 12 Compute servers are moving to 2U1N form factor to optimize the thermal design to accommodate both high-power CPUs (>350W) and GPUs effectively while maintaining performance and reliability
A collection of tips to make faster Next.js websites by maximizing work on the server and minimizing the burden on the client.
We’re living in somewhat of a CSS renaissance with new features, techniques, experiments, and ideas coming at us to an extent we haven’t seen since “CSS3”. It’s easy to feel overwhelmed when your profession seems to be advancing at breakneck speed, but Geoff Graham considers the ways “modern” CSS in 2023 has actually made CSS “easier” to write.
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.
In October, we experienced two incidents that resulted in degraded performance across GitHub services.
Startups and innovative enterprises are revolutionizing the way insurance policies are sold. Stripe provides the financial infrastructure that makes it possible.
Vercel and Next.js 14: Server Actions, Experimental Partial Prerendering, Next.js faster startups, and other announcements.
Take a closer look at how various performance tools audit and report on performance metrics, such as core web vitals. Geoff Graham answers a set of common questions that pop up during performance audits.
Your profile’s README invites the world to know you and your work, so it’s important that everyone can read and understand it. In this post, we share some tips for making your README more accessible.
Having access to a free reporting tool like Lighthouse in DevTools is a great start for diagnosing performance issues by identifying bottlenecks on the main thread. Even better are paid tools like [SpeedCurve](https://www.speedcurve.com/?utm_source=smashingmag&utm_medium=magazine&utm_campaign=sm7_2023&utm_id=sm7_2023&utm_term=sm7_2023) to dig deeper into the data for more targeted insights and to
We’ve recently open sourced a project called Ruvy! Ruvy is a toolchain that takes Ruby code as input and creates a WebAssembly module that will execute that Ruby code. There are other options for creating Wasm modules from Ruby code. The most common one is ruby.wasm. Ruvy is built on top of ruby.wasm to provide some specific benefits. We created Ruvy to take advantage of performance improvements f
Use our new open source Trace2 receiver component and OpenTelemetry to capture and visualize telemetry from your Git commands.
How solving barrel files led to faster cold boots and build times.
In September, we experienced two incidents that resulted in degraded performance across GitHub services.
Discover how to incorporate a variety of media formats, such as images, videos, GIFs, SVGs, and so on, in a Gatsby website. Juan Rodriguez shares what he’s learned about optimizing files for improved performance after working with different plugins and techniques.
Speed up your GitHub Actions jobs on macOS with all new, faster Apple silicon powered M1 macOS larger runner for arm64.
In this second article of a two-part series, Adrian shares insights about building WaterBear — his first project as a lead developer — discussing the challenges his team encountered while building it and various accessibility and performance improvements they’ve made. You’ll get a peek at the inner workings of a team striving to find its groove to systematize the work.
Are you a parent forced to put the Bluey theme song on repeat? Do you work from home and play lofi beats or ambient piano music? Do you fall asleep to peaceful ambient noises?
In this post we are going to share the most recent updates since our last post in June, and tell you about our tools and processes that we use to monitor and improve our network performance
