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Engineering Insights & Guides

The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

11,841 articles
Performance — A QUICker SASE client: re-building Proxy Mode

A QUICker SASE client: re-building Proxy Mode

By transitioning the Cloudflare One Client to use QUIC streams for Proxy Mode, we eliminated the overhead of user-space TCP stacks, resulting in a 2x increase in throughput and significant latency reduction for end users.

KUKoko Uko, Logan PraneisKoko Uko, Logan Praneis·March 5, 2026Performance
Engineering — Ideological Resistance to Patents, Followed by Reluctant Pragmatism

Ideological Resistance to Patents, Followed by Reluctant Pragmatism

This article reflects on an ideological discomfort with software patents, a direct experience of patent aggression in the software industry, and the practical constraints faced by startups. It argues that while the patent system remains deeply flawed, defensive patenting can function as a shield in an asymmetric legal environment, especially for open-source innovators.

NJNaresh Jain·March 5, 2026Engineering
Databases — Always-on detections: eliminating the WAF “log versus block” trade-off

Always-on detections: eliminating the WAF “log versus block” trade-off

Cloudflare is introducing Attack Signature Detection and Full-Transaction Detection to provide continuous, high-fidelity security insights without the manual tuning of traditional WAFs. By correlating request payloads with server responses, we can now identify successful exploits and data exfiltration while minimizing false positives.

DDanieleDaniele·March 4, 2026Databases
Engineering — Quick Hit #105

Quick Hit #105

Safari TP 238 trials customizable <select>, which Chrome has fully implemented already.

DSDaniel SchwarzDaniel Schwarz·March 4, 2026Engineering
Security — Introducing the 2026 Cloudflare Threat Report

Introducing the 2026 Cloudflare Threat Report

There has been a fundamental shift toward industrialized cyber threats, highlighted by a record 31.4 Tbps DDoS attack and sophisticated session token theft. Our new report examines how nation-states and criminal actors have moved beyond traditional exploits to "living off the XaaS" within legitimate enterprise logic.

CCloudforceCloudforce·March 3, 2026Security
Design & UX — Now Shipping: Accessible UX Research, A New Smashing Book By Michele Williams — Smashing Magazine

Now Shipping: Accessible UX Research, A New Smashing Book By Michele Williams — Smashing Magazine

Our newest Smashing Book, “Accessible UX Research” by Michele Williams, is finally shipping worldwide — and we couldn’t be happier! This book is about research, but you’ll also learn about assistive technology, different types of disability, and how to build accessibility into the entire design process. This thoughtful book will get you thinking about ways to make your UX research more inclusive a

ASAri StilesAri Stiles·March 3, 2026Design & UX