Zero-JS Wasn't Enough: Edge Caching SSR HTML on Cloudflare Workers
The previous article ended with a confession: same build, two PageSpeed runs two hours apart, desktop Performance 99 and then 90. I blamed first-scree…
Open Source
⚑ Report a ProblemLatest Open Source news from Tech News
All topics
AI
agents
ai
api
architecture
automation
aws
beginners
career
claude
database
devchallenge
devops
javascript
linux
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
softwareengineering
tutorial
typescript
webdev
AI doesn't write bad code. It writes plausible code — so I tried to break my own AI-built app
Disclosure: I work on one of the tools in this post ( create-microservices-app ). But the experiment, commands, and outputs below are real, and the pa…
My agent was 'succeeding' on Slack while silently doing nothing — here's the monitoring stack that caught it
My Slack bot was firing success messages while D1 row count sat completely frozen. The agent wasn't crashing — it was completing its Slack notificatio…
D1 read replicas returned stale data for 6 seconds — here's what I measured and how I designed around it
At p99, a D1 read replica in Tokyo was 6.1 seconds behind a write that landed on the Eastern NA primary. I found this out not from the docs, but from …
Your AI Agent Can Delete Your DNS Records
Your AI agent just deleted the A record for your production domain. It was trying to "clean up stale DNS entries" after you asked it to audit your Clo…
I wasted $43 rebuilding a Vectorize index the wrong way — here's the $5.50 fix
Last month's Anthropic bill hit $312. Sixty percent of it traced back to a single 6-hour window when I was doing an in-place Vectorize index rebuild. …
Move Your WordPress.com Domain to Cloudflare and Halve the Renewal
This post was originally published on Techucation , my blog at malcolmlow.com. Cross-posted here for the dev.to community. My WordPress.com domain ren…
The Cloudflare toggle that's blocking your brand from ChatGPT
Originally published on the Brandswarm blog . We build Brandswarm . It's a SaaS that tracks how AI assistants describe your brand — ChatGPT, Claude, P…
The challenges of creating a semantic memory layer on Cloudflare Workers, D1, and Vectorize.
The main concept is straightforward: embed text, store the vector, and query it later. The time-consuming part was everything else. I created a memory…
We Built the Infrastructure for AI to Stop Guessing About Local Businesses
We Built the Infrastructure for AI to Stop Guessing About Local Businesses How Cloudflare Pages, Workers, and KV became the backbone of a first-inform…
Cloudflare vs Vercel for a SaaS in 2026 — which one I actually picked
Heads up: this post contains affiliate links to the two platforms it compares. I link both. I pay for both. The recommendation is the same one I'd giv…
Meet PageZERO: an open source SaaS starter kit on Cloudflare for the AI era
You have an idea for a SaaS. You open Cursor or Claude Code, and the familiar ritual begins. Auth. A database. Payments. Transactional email. Permissi…
How to Submit Your MCP Server to Anthropic's Connector Directory (From Someone Who Did It)
A practical guide based on real submission experience — what the form asks, what reviewers check, and what I got wrong the first time. I built an MCP …
I built two Etsy SEO tools in 14 days — full stack breakdown (Cloudflare Workers + KV + Stripe)
I built two Etsy SEO tools in 14 days — full stack breakdown I spent the last two weeks building two products targeting the 5M+ Etsy seller market. He…
Why AI Image Generation Should Be Async
AI image generation can look like a simple request-response feature. A user enters a prompt, clicks generate, and waits for an image. For a prototype,…
I built a "what is my IP" site because I was tired of the ugly ones
I use "what is my IP" sites maybe once a month. Every time I end up on something covered in ads, calling three different tracking APIs, and showing me…
Using Cloudflare Turnstile Invisible Challenges for Mobile APIs Without Breaking the User Experience
The problem we are solving We have mobile apps calling APIs through Cloudflare. The APIs are seeing automated traffic from headless browsers, scripted…
Security Week 2622: эффективность Claude Mythos по версии Cloudflare
На прошлой неделе компания Cloudflare поделилась своими впечатлениями о работе ИИ-модели Claude Mythos. Эта модель разработана компанией Anthropic, и …
Your robots.txt says GPTBot is welcome. Your server says 403.
Your robots.txt lists User-agent: GPTBot - Allow: / . The page loads fine in a browser. The "AI crawler" checkers say you're configured correctly. But…
Making Dynamic MDX Blogs Work with OpenNext on Cloudflare Workers
I ran into a small but annoying problem while deploying a Next.js MDX blog to Cloudflare Workers with OpenNext. The blog worked locally. The build pas…
Controlling Employee AI Usage on Managed Devices: Browser Controls, Cloudflare AI Gateway, and AWS Bedrock
Employees are already using AI. They may use ChatGPT to rewrite emails, Claude to summarize documents, Gemini to analyze spreadsheets, Perplexity to r…
SeekYou: How I Built a Unified Host Intelligence Tool That Runs Free on Cloudflare Workers
One input. 15 sources. One structured report. Zero infrastructure costs. The Problem Every security engineer knows the workflow. You get an IP, a doma…
Blazingly Fast Ecommerce Stack for Less Than a Coffee a Month — No Marketplace, No Platform Cut
If you've ever looked at a marketplace's fee page and felt your eye twitch, this post is for you. The major selling platforms take their cut from ever…
Cloudflare HTML Cache Stuck at 1.1%: Recovery with Nginx map
Cloudflare dashboard was showing a 1.1% cache rate I picked up the habit this week of checking the performance dashboard regularly. I opened the stats…
What breaks when you ship Next.js on Cloudflare Workers
I've been building Finterm, a financial terminal that runs entirely in a browser tab, on Cloudflare Workers via @opennextjs/cloudflare . The promise i…
How to Expose Your Docker App Securely with Cloudflare Tunnel and a Custom Domain
Every time you forward a port on your router, you crack open a door to the internet. Anyone scanning your IP can knock on it, and some will. There is …
Two Gates Are Closing on AI Web Scraping
Google narrowed developer access to its web-search tools in January, while Cloudflare documented broader controls for blocking or challenging AI crawl…
I gave Claude a persistent memory for $0/month using Cloudflare
I gave Claude a persistent memory for $0/month using Cloudflare Claude is great. But every time you start a new conversation, it forgets everything. Y…
I built a 11-language B2B site on Astro 6 + Cloudflare Workers — here's what surprised me
I recently shipped china-sourcing-agents.com — a B2B sourcing agency site for electronics and IoT hardware. It supports 11 languages, generates dynami…
Your AI Strategy Has a Blind Spot: An SEO and AEO Audit of vibescoder.dev
I spend a lot of time thinking about how AI agents discover and consume content. I run a company that builds developer tools. I write a blog about bui…