Unverified50% confidenceFactExact time
The WebSub (formerly PubSubHubbub) protocol provides a push alternative—when content is updated, the publisher proactively notifies a Hub, which then pushes the update in real time to all subscribers.
1
Sources
50%
Confidence
Long-term
Relevance
8/17/2026
First Seen
Sources
Cloudflare Worker路由：一个域名部署两个项目的完整方案
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