GitHub Availability Report: July 2024
In July, we experienced four incidents that resulted in degraded performance across GitHub services.
If I Was Starting My Career Today: Thoughts After 15 Years Spent In UX Design (Part 2) — Smashing Magazine
In this two-part series, Andrii Zhdan outlines common challenges faced at the start of a design career and offers advice to smooth your journey based on insights from his experience hiring designers. In Part 2, Andrii speaks about how you can grow faster in your brand-new junior UX job.
Unlocking Insights with High-Quality Dashboards at Scale
We have a lot of dashboards at Spotify. Our Insight teams and analysts from across the company are constantly whipping up new dashboards for stakeholders and themselves, helping answer those big data-driven questions every day. These dashboards tackle everything from frequently used key metrics to exploratory insights and operational reports. It’s clear to us: dashboards help us move faster and st
Achieving feature rollouts with ultra-low latency and zero impact to conversion
Making WAF ML models go brrr: saving decades of processing time
In this post, we discuss performance optimizations we've implemented for our WAF ML product. We'll guide you through code examples, benchmarks, and we'll share the impressive latency reduction numbers
How to choose the best rendering strategy for your app
Demystify Next.js rendering strategies: SSG, SSR, CSR, ISR, and PPR. Optimize your web apps for performance, SEO, and user experience. Learn when and how to use each approach with real-world examples and practical tips for modern web development.
GitHub Availability Report: June 2024
In June, we experienced two incidents that resulted in degraded performance across GitHub services.
Unlocking Efficiency and Performance: Navigating the Spark 3 and EMR 6 Upgrade Journey at Slack
Slack Data Engineering recently underwent data workload migration from AWS EMR 5 (Spark 2/Hive 2 processing engine) to EMR 6 (Spark 3 processing engine). In this blog, we will share our migration journey, challenges, and the performance gains we observed in the process. This blog aims to assist Data Engineers, Data Infrastructure Engineers, and Product…
Embedded function calling in Workers AI: easier, smarter, faster
Introducing a new way to do function calling in Workers AI by running function code alongside your inference. Plus, a new @cloudflare/ai-utils package to make getting started as simple as possible
GitHub Availability Report: May 2024
In May, we experienced one incident that resulted in degraded performance across GitHub services.
How we improved push processing on GitHub
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.
How To Hack Your Google Lighthouse Scores In 2024 — Smashing Magazine
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.
How GitHub reduced testing time for iOS apps with new runner features
Learn how GitHub used macOS and Apple Silicon runners for GitHub Actions to build, test, and deploy our iOS app faster.
Arm64 on GitHub Actions: Powering faster, more efficient build systems
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 generally available: a unified interface for managing and scaling your generative AI workloads
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
Reclaiming CPU for free with Go's Profile Guided Optimization
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
Snappy UI Optimization with useDeferredValue
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! ⚡
GitHub Availability Report: April 2024
In April, we experienced four incidents that resulted in degraded performance across GitHub services.
Vercel Functions are now faster—and powered by Rust
Learn about how we've improved startup performance with our Rust-powered functions.
Latency numbers every frontend developer should know
Latency numbers every web developer should know
How To Monitor And Optimize Google Core Web Vitals — Smashing Magazine
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.
Codegen plugins (and other tips) for automating design to code
Everything you need to know for a fast and efficient workflow.
GitHub Availability Report: March 2024
In March, we experienced two incidents that resulted in degraded performance across GitHub services.
How Picsart leverages Cloudflare's Developer Platform to build globally performant services
Picsart, one of the world’s largest digital creation platforms, encountered performance challenges in catering to its global audience.
Demant achieves global scalability and 30x faster response times with Vercel
Measuring Developer Productivity via Humans
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
WordPress monolith to Vercel: How Personio elevated site performance and efficiency
Brief History of Scaling Uber
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
GitHub Availability Report: February 2024
In February, we experienced two incidents that resulted in degraded performance across GitHub services.
8 advantages of composable commerce
Faster development cycles, better personalization, increased site performance, and more. Here are the benefits composable commerce can offer.
Simplifying how enterprises connect to Cloudflare with Express Cloudflare Network Interconnect
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
Improving Shopify App’s Performance - Shopify
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
Reporting Core Web Vitals With The Performance API — Smashing Magazine
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.
Vanilla JavaScript, Libraries, And The Quest For Stateful DOM Rendering — Smashing Magazine
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.
GitHub Availability Report: January 2024
In January, we experienced three incidents that resulted in degraded performance across GitHub services.
Vercel Functions: Faster, modern, and more scalable
Our first major iteration of Vercel Functions with increased concurrency, longer durations, faster cold starts, streaming, and more.
Get started with v4 of GitHub Actions Artifacts
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.
Finishing Turborepo's migration from Go to Rust
We've finished porting Turborepo, the high performance JavaScript and TypeScript build system, from Go to Rust.
connect() - why are you so slow?
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
High speed data migration: maintaining performance
You are looking for high speed data migration? Tests have shown that CYBERTEC Migrator can reach up to 1.5 GB / second.
Adding new LLMs, text classification and code generation models to the Workers AI catalog
Workers AI is now bigger and better with 8 new models and improved model performance
How streaming helps build faster web applications
Learn why streaming is critical for performance and how the Next.js App Router integrates with React Suspense to easily enable streaming UI.
Improving performance with incremental frame loading
Large prototypes took minutes to load, and users took notice. Here’s how we overhauled our prototype player to improve load time and stability.
How Core Web Vitals & Lighthouse scores affect SEO Rankings
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.
GitHub Availability Report: December 2023
In December, we experienced three incidents that resulted in degraded performance across GitHub services.
Top Front-End Tools Of 2023 — Smashing Magazine
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!
Vercel at AWS re:Invent 2023: The Frontend Cloud, Generative UI, 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.
How we organize and get things done with SERVICEOWNERS
Take CODEOWNERS and GitHub teams to the next level. Learn about how GitHub engineering solves the age old problem of who owns what.
GitHub Availability Report: November 2023
In November, we experienced one incident that resulted in degraded performance across GitHub services.
As payments evolve, enterprises turn to Stripe
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.
Preparing For Interaction To Next Paint, A New Web Core Vital — Smashing Magazine
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 Server: bigger, better, cooler in a 2U1N form factor
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
Guide to fast websites with Next.js: Tips for maximizing server speeds and minimizing client burden
A collection of tips to make faster Next.js websites by maximizing work on the server and minimizing the burden on the client.
A Few Ways CSS Is Easier To Write In 2023 — Smashing Magazine
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.
How to scale a large codebase
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.
GitHub Availability Report: October 2023
In October, we experienced two incidents that resulted in degraded performance across GitHub services.
The future is arriving fast in the insurance industry
Startups and innovative enterprises are revolutionizing the way insurance policies are sold. Stripe provides the financial infrastructure that makes it possible.
Building the most ambitious sites on the Web with Vercel and Next.js 14
Vercel and Next.js 14: Server Actions, Experimental Partial Prerendering, Next.js faster startups, and other announcements.
Answering Common Questions About Interpreting Page Speed Reports — Smashing Magazine
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.
5 tips for making your GitHub profile page accessible
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.
