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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.

11,839 articles
SRE & Ops — MetaRoCE: A New RDMA Transport Built for AI-Scale Ethernet

MetaRoCE: A New RDMA Transport Built for AI-Scale Ethernet

Training and serving frontier AI models depends on fast, reliable networks that move data between GPUs without wasting compute cycles. To meet this challenge at scale, Meta designed MetaRoCE – a clean-sheet RDMA transport protocol purpose-built for AI workloads on commodity Ethernet. We’re releasing the MetaRoCE specification, a reference software implementation and a compliance test […]

CWChris Wiltz·August 24, 2026SRE & Ops
SRE & Ops — MTIA 300: Meta’s First Training Chip with Built-in NICs and Communication-Offloading Engines

MTIA 300: Meta’s First Training Chip with Built-in NICs and Communication-Offloading Engines

MTIA 300 is the first of Meta’s family of in-house training and inference accelerators optimized for training ranking and recommendation models. We’re sharing how MTIA 300’s built-in NIC chiplets allow it to meet the communication needs associated with training recommendation models with superior performance over general-purpose GPUs. By co-designing MTIA’s communication library, HCCL, alongside t

CWChris Wiltz·August 24, 2026SRE & Ops
AI & ML — Say it once: introducing Bot Preference Sync

Say it once: introducing Bot Preference Sync

Cloudflare's new Bot Preference Sync automatically aligns your robots.txt file with your AI bot policies for Search, Agent, and Training. Easily manage which bots access your content without maintaining static files.

JHJin Hee LeeJin Hee Lee·August 21, 2026AI & ML
Frontend — Resolved: CSS Class Prefix Selector

Resolved: CSS Class Prefix Selector

A newly resolved proposal would allow us to select classes that are a prefix for variations with a wildcard, like .prefix-* . Resolved: CSS Class Prefix Selector originally handwritten and published with love on CSS-Tricks . You should really get the newsletter as well.

GGGeoff GrahamGeoff Graham·August 21, 2026Frontend
Performance — Five monetization trends from global pricing leaders

Five monetization trends from global pricing leaders

As AI transforms software economics, the standard revenue playbook is breaking down. Learn how leaders around the world are preparing for agent buyers, updating processes for faster pricing iteration, and building more flexible infrastructure.

SWScott WoodyScott Woody·August 20, 2026Performance
Security — A revisit of remote Spectre attacks on Cloudflare Workers

A revisit of remote Spectre attacks on Cloudflare Workers

In 2024 and 2025, we reassessed remote Spectre attacks on our Workers infrastructure. We share details about the new attack primitives like Spectre gadgets, remote timers, achieving co-location and how new defenses further harden Cloudflare Workers.

MAMartin, Albert PedersenMartin, Albert Pedersen·August 19, 2026Security
Frontend — CSS Navigation Matching, Early Days

CSS Navigation Matching, Early Days

Apply a style when someone navigates from one specific page to another. The idea being it'd make the sources for cross-document view transitions declarative in CSS rather than managing that stuff in JavaScript. CSS Navigation Matching, Early Days originally handwritten and published with love on CSS-Tricks . You should really get the newsletter as well.

GGGeoff GrahamGeoff Graham·August 19, 2026Frontend
Frontend — WordPress.com Student Plan

WordPress.com Student Plan

As someone who teaches beginning web development, I find that building a WordPress site makes for a great final project. Hosting those projects has always been a roadblock though. WordPress.com Student Plan originally handwritten and published with love on CSS-Tricks . You should really get the newsletter as well.

GGGeoff GrahamGeoff Graham·August 19, 2026Frontend
Career & Teams — Practitioner Voice

Practitioner Voice

Effective writing from a practitioner is a style distinct from academic writing or thought-leadership content. It relies on authority from experience (not credentials), naming tensions but letting them live, keeping the author in the writing, and the expectation that readers recognize the pattern from their own experience.

JHJim Highsmith·August 19, 2026Career & Teams
AI & ML — A more flexible Pro plan for modern teams

A more flexible Pro plan for modern teams

We’re updating Vercel’s Pro plan to better align with how modern teams collaborate and how applications consume infrastructure, and how workloads are changing shape with AI.

VVercel·August 19, 2026AI & ML
Performance — Personalization strategies that power ecommerce growth

Personalization strategies that power ecommerce growth

Learn how to implement high-performance personalization with Next.js and Vercel. Discover best practices, avoid common pitfalls, and deliver fast, scalable, and revenue-driving ecommerce experiences without sacrificing speed or user experience.

VVercel·August 19, 2026Performance
Engineering — Introducing Vercel for Slack

Introducing Vercel for Slack

Vercel Agent now works in Slack. Mention @Vercel to diagnose incidents, review PRs, and ship approved changes without leaving the conversation. In public beta for Pro and Enterprise teams.

VVercel·August 19, 2026Engineering
Networking — BGP Role model: tracking the adoption of RFC 9234

BGP Role model: tracking the adoption of RFC 9234

RFC 9234 lets routers reject route leaks on their own, using BGP Roles and the Only to Customer attribute. We measured who has deployed it, and found two Tier 1 networks unexpectedly stripping OTC.

BIBryton, Iliana XygkouBryton, Iliana Xygkou·August 18, 2026Networking