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workerd
workerd is an open-source JavaScript and WebAssembly runtime built on Cloudflare's production infrastructure
What it is
workerd is an open-source JavaScript and WebAssembly runtime built on Cloudflare's production infrastructure. It enables developers to run server-side JavaScript applications with the same capabilities that power Cloudflare Workers at scale.
HTTP liveness
34 probes since Jun 16Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
Funding history
2 roundsMoat
Cloudflare leverages its extensive visibility into global web traffic to generate unique threat intelligence data, creating a strong competitive moat that enhances its security features beyond those available to competitors.
- webCloudflare sees a massive percentage of global web traffic. That visibility gives them threat intelligence data that no pure-play security company can match. source
- webProprietary data assets are about having unique datasets that power your core value proposition. source
- webIf you have data nobody else has, your AI features will be better in ways competitors can’t copy by writing better code. source
- webThe curation moat is underrated. Everyone has access to the same public data. But the company that spent three years hand-labeling edge cases... has an asset that can’t be replicated with a web scraper and an API call. source
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3,100 products launched in 2026 · 100% still active