The Cloudflare Blog is written by the engineers at Cloudflare, a company that provides content delivery, DDoS protection, and edge computing services. It covers how they build and run their global network, with recent focus on AI agents, security vulnerabilities, and internal tools. Anyone curious about how the internet works behind the scenes or how to build reliable, secure systems should read it.
Vol. I · Field Notes
BlogThe Cloudflare Blog
The Cloudflare Blog is written by the engineers at Cloudflare, a company that provides content delivery, DDoS protection, and edge computing services. It covers how they build and run their global network, with recent focus on AI agents, security vulnerabilities, and internal tools. Anyone curious about how the internet works behind the scenes or how to build reliable, secure systems should read it.
9 May 2026·20 posts·6 clusters·20 authors
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Reading Posture
From the Field
“Cloudflare's engineering blog on building a secure, agentic internet.”
Verdict:Reach for it
Reach for it when
Read this when you want to understand how a major edge network builds AI agents, hardens infrastructure, and shares transparent post-mortems.
Look elsewhere when
Skip it if you need beginner tutorials or deep dives into frontend or mobile engineering.
In context
Compared to similar blogs like Netflix TechBlog, this one is more focused on security, edge computing, and AI agent infrastructure.
Complexity●●●Medium
Read time~240 minutes
Language
BlogRuntime
webDependencies
0totalWhat this is
As told for the tourist
Start Here
A recommended reading path through the code
Start Here
A recommended reading path through the code
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- 07
What's inside
6 sections of the codebase
Posting History
Activity over time
Posting Activity20 posts · 2026-04 → 2026-05
2026
20 posts
LessMore
The Archive
Every post, searchable and filtered
All Posts20 of 20
2026-05↗2026-05↗2026-05↗2026-05↗2026-05↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗2026-04↗
Building for the future
3mCloudflare announces a major internal change to its global team, emphasizing transparency.
#cultureMichelle Zatlyn
How Cloudflare responded to the “Copy Fail” Linux vulnerability
5mCloudflare's security and engineering teams respond to a critical Linux kernel privilege escalation vulnerability with zero customer impact.
Security & Vulnerability Response#security#incident-reportRian Islam
When DNSSEC goes wrong: how we responded to the .de TLD outage
6mCloudflare details how it handled the .de TLD DNSSEC outage using serve stale to mitigate impact on DNS resolution.
Security & Vulnerability Response#incident-report#networkingMax Worsley
Code Orange: Fail Small is complete. The result is a stronger Cloudflare network
5mCloudflare completes a major infrastructure resilience project called Code Orange, introducing tools like Snapstone and the Engineering Codex.
Infrastructure & Resilience#infra#reliabilityJeremy Hartman
Introducing Dynamic Workflows: durable execution that follows the tenant
7mDynamic Workflows is a new library for routing durable execution to tenant-provided code, enabling scalable workflows at low cost.
Infrastructure & Resilience#distributed-systems#developer-toolsLuís Duarte
Post-quantum encryption for Cloudflare IPsec is generally available
4mCloudflare IPsec now supports post-quantum encryption via hybrid ML-KEM, with confirmed interoperability with Cisco and Fortinet.
Security & Vulnerability Response#security#networkingAmos Paul
Agents can now create Cloudflare accounts, buy domains, and deploy
4mAI agents can now create Cloudflare accounts, buy domains, and deploy code autonomously with optional human oversight.
AI Agents & Platform#product-engineering#api-designBrendan Irvine-Broque
Shutdowns, power outages, and conflict: a review of Q1 2026 Internet disruptions
6mCloudflare Radar data reveals a surge in Internet disruptions in Q1 2026, including shutdowns and drone strikes on infrastructure.
Internet Trends & Transparency#observability#networkingDavid Belson
Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen
5mRust Workers now support panic recovery via WebAssembly Exception Handling, improving reliability after upstream collaboration.
Performance & Optimization#reliability#developer-toolsLogan Gatlin
Moving past bots vs. humans
5mCloudflare proposes new models for web accountability using anonymous credentials to balance privacy and bot detection.
Internet Trends & Transparency#security#api-designThibault Meunier
Building the agentic cloud: everything we launched during Agents Week 2026
8mAgents Week 2026 recap covers all launches for the agentic cloud, from compute and security to platform tools.
AI Agents & Platform#product-engineering#cultureAnni Wang
The AI engineering stack we built internally — on the platform we ship
6mCloudflare's internal AI engineering stack processes millions of requests and billions of tokens using its own products.
AI Engineering & Inference#ml-infra#scalingRajesh Bhatia
Orchestrating AI Code Review at scale
5mCloudflare built a CI-native AI code reviewer using OpenCode to help engineers ship safer code at scale.
AI Engineering & Inference#developer-tools#dxRyan Skidmore
Introducing the Agent Readiness score. Is your site agent-ready?
5mThe Agent Readiness score helps site owners evaluate how well their websites support AI agents, with Radar data and best practices.
AI Agents & Platform#observability#api-designVance Morrison
Shared Dictionaries: compression that keeps up with the agentic web
4mShared compression dictionaries are previewed as a way to improve page load times for the agentic web.
Performance & Optimization#performance#networkingSid Chunduri
Redirects for AI Training enforces canonical content
4mRedirects for AI Training lets Cloudflare users redirect verified crawlers to canonical content with a single toggle.
AI Engineering & Inference#api-design#securityAndré Cruz
Unweight: how we compressed an LLM 22% without sacrificing quality
6mUnweight is a lossless inference-time compression system that reduces LLM model footprint by 22% for faster, cheaper inference.
AI Engineering & Inference#ml-infra#performanceChris Branch
Agents that remember: introducing Agent Memory
5mCloudflare Agent Memory is a managed service providing persistent memory for AI agents to recall and forget information.
#product-engineering#databaseRob Sutter
Agents Week: network performance update
5mCloudflare's FL2 Rust-based architecture boosts network performance, making it the leader among top global networks.
Infrastructure & Resilience#performance#networkingLai Yi Ohlsen
Introducing Flagship: feature flags built for the age of AI
5mFlagship is a native feature flag service using KV and Durable Objects for sub-millisecond evaluation on Cloudflare's network.
Performance & Optimization#developer-tools#performanceAbhishek Kankani
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