Reclaiming CPU for free with Go's Profile Guided Optimization05/14/2024Golang 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...Continue reading »Colin Douch
East African Internet connectivity again impacted by submarine cable cuts05/13/2024Cloudflare RadarInternet TrafficOutageOn Sunday, May 12, issues with the EASSy and Seacom submarine cables again disrupted connectivity to East Africa, impacting a number of countries previously affected by a set of cable cuts that occurred nearly three months earlier...David Belson
Using Fortran on Cloudflare Workers05/07/2024FortranDeveloper PlatformDevelopersCloudflare WorkersWork on LLVM has enabled Fortran to compile to WebAssembly. So, today, we’re writing about running Fortran code on Cloudflare Workers...John Graham-CummingSven Sauleau
Q1 2024 Internet disruption summary04/29/2024Cloudflare RadarInternet TrafficOutageInternet ShutdownInternet QualityThe first quarter of 2024 kicked off with quite a few Internet disruptions. Perhaps most interestingly, RPKI, DNS, and DNSSEC issues were among the technical problems that disrupted connectivity for subscribers across multiple network providers...David Belson
Lessons from building an automated SDK pipeline04/23/2024SDKDuring Developer Week 2024, we announced the revamped SDKs that are automatically generated using our OpenAPI schemas. Today, we’re taking a deeper look at how the pipeline works and share lessons we’ve learned along the way...Jacob Bednarz
Meta Llama 3 available on Cloudflare Workers AI04/18/2024LlamaDevelopersDeveloper PlatformWorkers AICloudflare WorkersProduct NewsWe are thrilled to give developers around the world the ability to build AI applications with Meta Llama 3 using Workers AI. We are proud to be a launch partner with Meta for their newest 8B Llama 3 model...Michelle ChenDavina ZamanzadehIsaac RehgNikhil Kothari
Cloudflare named in 2024 Gartner® Magic Quadrant™ for Security Service Edge04/18/2024Cloudflare OneZero TrustSecurity Service EdgeSSEGartnerGartner has once again named Cloudflare to the Gartner® Magic Quadrant™ for Security Service Edge (SSE) report...Sam Rhea
How Cloudflare Cloud Email Security protects against the evolving threat of QR phishing04/17/2024Cloud Email SecurityEmail SecurityEmailPhishingLearn about how Cloudflare's Cloud Email Security tackles QR phishing, why attackers favor QR codes, and Cloudflare's proactive defense strategy against evolving threats...Pete Pang
DDoS threat report for 2024 Q104/16/2024DDoS ReportsMiraiCloudflare RadarDDoSAttacksDNS FloodTrends2024 started with a bang. Cloudflare’s autonomous systems mitigated over 4.5 million DDoS attacks in the first quarter of the year — a 50% increase compared to the previous year. Read the full coverage...Omer YoachimikJorge Pacheco
Why I joined Cloudflare as Chief Partner Officer04/15/2024Life at CloudflarePartnersTom Evans is joining Cloudflare as our first ever Chief Partner Officer, continuing a great career in scaling channel partner programs in the tech sector. Read more about why he’s excited about his new role in this blog post...Tom Evans
An Internet traffic analysis during Iran's April 13, 2024, attack on Israel04/14/2024Cloudflare RadarIsraelInternet TrafficTrendsOn April 13, 2024, Iran launched a retaliatory attack on Israel. We examined its potential impact on Internet traffic and attacks. While there were some shifts in traffic, we haven't observed any large-scale cyberattacks on Israeli domains protected by Cloudflare....João Tomé
Improving authoritative DNS with the official release of Foundation DNS04/12/2024DNSFoundation DNSProduct NewsWe are launching Foundation DNS – our new enterprise-grade authoritative DNS offering. As our new enterprise authoritative DNS offering, Foundation DNS was designed to enhance the reliability, security, flexibility, and analytics of our authoritative DNS service...Hannes GerhartChris Ward
How we ensure Cloudflare customers aren't affected by Let's Encrypt's certificate chain change04/12/2024SecurityApplication ServicesTLSSSLCertificate AuthorityDeep DiveLet’s Encrypt’s cross-signed chain will be expiring in September. This will affect legacy devices with outdated trust stores (Android versions 7.1.1 or older). To prevent this change from impacting customers, Cloudflare will shift Let’s Encrypt certificates upon renewal to use a different CA...Dina Kozlov
Total eclipse of the Internet: traffic impacts in Mexico, the US, and Canada04/09/2024Cloudflare RadarTrendsInternet TrafficCloudflare’s data shows a clear impact on Internet traffic from Mexico to the US, and Canada, following the path of totality of the total solar eclipse that occurred on April 8, 2024 ...João Tomé
Major data center power failure (again): Cloudflare Code Orange tested04/08/2024Post MortemOutageJust four months after a complete power outage at a critical data center we were hit with the exact same scenario. Here’s how we did this time, and what’s next...Matthew PrinceJohn Graham-CummingJeremy Hartman
Developer Week 2024 wrap-up04/08/2024Developer WeekDevelopersProduct NewsCloudflare WorkersCloudflare PagesRate LimitingAPIR2 StorageD1Developer Week 2024 has officially come to a close. Here’s a quick recap of the announcements and in-depth technical explorations that went out last week...Phillip Jones
Cloudflare acquires Baselime to expand serverless application observability capabilities04/05/2024Developer WeekDevelopersDeveloper PlatformProduct NewsCloudflare WorkersObservabilityAcquisitionsToday, we’re thrilled to announce that Cloudflare has acquired Baselime, a serverless observability company...Boris TaneRita Kozlov
Browser Rendering API GA, rolling out Cloudflare Snippets, SWR, and bringing Workers for Platforms to all users04/05/2024Developer WeekDevelopersDeveloper PlatformTurnstileApplication ServicesProduct NewsGeneral AvailabilityCloudflare WorkersBrowser Rendering API is now available to all paid Workers customers with improved session management...Tanushree SharmaCelso MartinhoNikita CanoMatt BullockTim Kornhammar
Cloudflare acquires PartyKit to allow developers to build real-time multi-user applications04/05/2024Developer WeekAcquisitionsCloudflare WorkersAIDurable ObjectsWe're thrilled to announce that PartyKit, a trailblazer in enabling developers to craft ambitious real-time, collaborative, multiplayer applications, is now a part of Cloudflare...Sunil PaiRita Kozlov
Blazing fast development with full-stack frameworks and Cloudflare04/05/2024Developer WeekDevelopersDeveloper PlatformFull StackWranglerMiniflareYou can now use your framework’s development server while accessing D1 databases, R2 object stores, AI models, and more. Iterate locally in milliseconds to build sophisticated web apps that run on Cloudflare...Igor MinarDario PiotrowiczJames CulveyhousePeter Bacon Darwin
We've added JavaScript-native RPC to Cloudflare Workers04/05/2024Developer WeekDevelopersCloudflare WorkersCloudflare Workers now features a built-in RPC (Remote Procedure Call) system for use in Worker-to-Worker and Worker-to-Durable Object communication, with absolutely minimal boilerplate. We've designed an RPC system so expressive that calling a remote service can feel like using a library...Kenton Varda