
We are proud to share that Cloudflare has been certified and recognized as one of the Top 100 Most Loved Workplaces in 2023 by Newsweek and the Best Practice Institute (BPI) for the second consecutive year.

Dan Mall distills decades of experience navigating the design world into ten pieces of advice for tackling complex tasks, preventing burnout, and fostering continuous learning.

Open source generative AI projects are a great way to build new AI-powered features and apps.
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Gwen Davis·October 5, 2023AI & ML 
Python 3.12 is out! It includes new features and performance improvements – some contributed by Meta – that we believe will benefit all Python users. We’re sharing details about these new features that we worked closely with the Python community to develop. This week’s release of Python 3.12 marks a milestone in our efforts to […]


Re-create a fancy hover effect where an avatar pops out of a starburst pattern for the frame on hover. The idea is to apply the concepts in a new context and gain another view of how trigonometric functions can influence the way we mask elements in CSS.

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

On 4 October 2023, Cloudflare experienced DNS resolution problems. Some users may have received SERVFAIL DNS responses to valid queries. In this blog, we’re going to talk about what the failure was, why it occurred, and what we’re doing to make sure this doesn’t happen again

On 2023-10-04 at 13:00 UTC, Atlassian released details of the zero-day vulnerability described as “Privilege Escalation Vulnerability in Confluence Data Center and Server” (CVE-2023-22515), a zero-day vulnerability impacting Confluence Server and Data Center products
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Himanshu, Daniele·October 4, 2023Security 
Today, we are thrilled to announce that Waiting Room now supports coverage of multiple hostname and path combinations with a single waiting room, giving customers more flexibility and offering broader site coverage without interruptions to end-user flows

Learn more about how we use GitHub to build GitHub, how we turned our guiding communications principles into prescriptive practices to manage our internal communications signal-to-noise ratio, and how you can contribute to the ongoing conversation.
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Ben Balter, Allison Matlack·October 4, 2023Engineering 
Secret scanning now performs validity checks for select AWS, Microsoft, Google, and Slack tokens.
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Zain Malik, Courtney Claessens·October 4, 2023Engineering 
We’re announcing the general availability of the Magic WAN Connector, which serves as the glue between your existing network hardware and Cloudflare’s networ

GitHub Sponsors has partnered with Patreon. We’re also expanding to new regions.

How to get the security basics right at your organization.


Geoff explores the often-overlooked divide between WordPress.org and WordPress.com, shedding light on the blurred lines between open-source ideals and commercial interests.

We’re adding new features to our revenue and finance automation suite that make it easier for businesses to grow revenue and streamline operations.

Need a recap or refresher on all the big Birthday Week news this week? This recap has you covered
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Dina, Mia Wang·October 2, 2023AI & ML 
For this year’s Cybersecurity Awareness Month, the GitHub bug bounty team is excited to feature another spotlight on a talented security researcher who participates in the GitHub Security Bug Bounty Program—@inspector-ambitious!

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.

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

How does Spotify manage a sprawling tech ecosystem made up of 500+ squads managing over 10,000 software components in production? Last November, Google Cloud distinguished engineer Kelsey Hightower met with Spotify chief architect Niklas Gustavsson at Spotify’s office in Gothenburg, Sweden, to talk about just that.

At Spotify, we have experimented with the build system since 2017. Over the years, the project has matured, and support for more languages and ecosystems have been added, thanks to the open source community and its maintainers at Google. In 2020, it became clear that the future of our client development required a unified build system that would scale well with our polyglot, multiplatform, and mul

For the past decade, Spotify has used approximate nearest-neighbor search technology to power our personalization, recommendation, and search systems.
SESpotify Engineering·October 1, 2023AI & ML 
TL;DR It’s back! Last year, we created the to help support the free and open source software projects we use at Spotify. We’re excited to announce that the fund has returned for 2023, and the recipients have been selected. This year, the fund’s 100,000 EUR are going to the following four projects: AssertJ, Jdbi, Testcontainers, and Xiph.
DZDave Zolotusky, Principal Engineer·October 1, 2023Engineering 
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?
MKMark Koh, Senior ML Engineer·October 1, 2023Performance 
How about a little inspiration boost? Well, we might have something for you: desktop wallpapers created with love by artists and designers from across the globe. They are available in versions with and without a calendar for October and can be downloaded for free. Enjoy!

We are now announcing the ability for Cloudflare customers to scan old messages within their Office 365 Inboxes for threats. This Retro Scan will let you look back seven days and see what threats your current email security tool has missed

We're excited to announce a contribution to improving privacy for everyone on the Internet. Encrypted Client Hello, a new standard that prevents networks from snooping on which websites a user is visiting, is now available on all Cloudflare plans.
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Achiel, Alessandro Ghedini·September 29, 2023Engineering 
Now that we’ve eliminated CAPTCHAs at Cloudflare, we want to hasten the demise of CAPTCHAs across the internet. We’re thrilled to announce that Turnstile is generally available, and Turnstile’s ‘Managed’ mode is now completely free to everyone for unlimited use.

Starting today, you can secure the connection between Cloudflare and your origin server with post-quantum cryptography

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

In this blog post we talk about our approach and ongoing research into detecting novel web attack vectors in our WAF before they are seen by a security researcher.
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Michael Tremante·September 29, 2023Security 
Manage AI crawlers, out of the box with Cloudflare
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Reid, Pawel·September 29, 2023AI & ML 
Game Bytes is our monthly series taking a peek at the world of gamedev on GitHub—featuring game engine updates, game jam details, open source games, mods, maps, and more. Game on!

This article is all about experimenting with modern CSS features. We will combine things like CSS masks, CSS variables, trigonometric functions, `@property`, and more to create a neat hover effect that would have been extremely difficult to do even a few years ago without the latest and greatest that CSS has to offer.
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Temani Afif·September 29, 2023Frontend 
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

This integration will allow Microsoft Edge users who opt in to browse the Internet more privately, without being tracked across websites

Hyperdrive makes accessing your existing databases from Cloudflare Workers, wherever they are running, hyper fast
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Silverlock, Alex Robinson·September 28, 2023Performance 
D1 is now in open beta, and the theme is “scale”: with higher per-database storage limits and the ability to create more databases, we’re unlocking the ability for developers to build production-scale applications on D1
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Silverlock, Ben Yule·September 28, 2023Databases 
Unleash the fast & furious in your builds with Cloudflare Pages' build caching. Reduce build times by caching previously computed project components. Now in Beta for select frameworks and package managers.

Today, we’re excited to announce an updated Cloudflare Workers playground, where users can develop and test Workers before sharing or deploying them

We’ve heard from developers that configuring and maintaining their own serverless browser automation systems can be quite painful. The Workers Browser Rendering API solves this

Engineers from Cloudflare and Vercel have published a specification of the connect() sockets API for review by the community, along with a Node.js compatible implementation of connect() that developers can start using today
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Dominik, Jasnell·September 28, 2023Frontend 
We introduced integrations with Supabase, PlanetScale, Neon and Upstash. Today, we are thrilled to introduce our newest additions to Cloudflare’s Integrations Marketplace – Sentry, Turso and Momento

Announcing new pricing for Cloudflare Workers, where you are billed based on CPU time, and never for the idle time that your Worker spends waiting on network requests and other I/O.
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Rita, Brendan Irvine Broque·September 28, 2023Performance 
Educators Lisa Highfill and Meredith Greene are taking a student-driven approach to lesson design in Figma—creating a more inclusive, engaged classroom experience for all types of learners.

School districts in Japan can deploy and manage Figma licenses with Google’s admin console for free. Districts can now apply to bring Figma to their classrooms.

Gain expertise and insights from top organizations through guided tutorials, boosting productivity, enhancing security, and enabling seamless collaboration.

Cron scripts are responsible for critical Slack functionality. They ensure reminders execute on time, email notifications are sent, and databases are cleaned up, among other things. Over the years, both the number of cron scripts and the amount of data these scripts process have increased. While generally these cron scripts executed as expected, over time…

In this article, Ganesh Dahal explains how the features have evolved since reusable blocks were officially released in WordPress 5.0 — and how the two have converged in WordPress 6.3 to form a powerful feature capable of allowing content creators to sync content and design patterns consistently in pages and posts.

Cloudflare is officially a teenager. We launched on September 27, 2010. Today we celebrate our thirteenth birthday
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Matthew Prince, Michelle Zatlyn·September 27, 2023Engineering 
Today, we’re excited to make a series of announcements that we believe will make a similar impact as Workers did in the future of computing

We are excited to launch Workers AI - an AI inference as a service platform, empowering developers to run AI models with just a few lines of code, all powered by our global network of GPUs
CCloudflare·September 27, 2023AI & ML 
AI Gateway helps developers have greater control and visibility in their AI apps, so that you can focus on building without worrying about observability, reliability, and scaling. AI Gateway handles the things that nearly all AI applications need
CCloudflare·September 27, 2023AI & ML 
Today, we’re excited to announce that we are partnering with Hugging Face to make AI models more accessible and affordable than ever before to developers
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Rita, Philipp Schmid·September 27, 2023AI & ML 
Vectorize is our brand-new vector database offering, designed to let you build full-stack, AI-powered applications entirely on Cloudflare’s global network: and you can start building with it right away
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Silverlock, Jerome·September 27, 2023Databases 
Today, we are introducing WebGPU support to Cloudflare Workers. This blog will explain why it's important, why we did it, how you can use it, and what comes next