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WebSub (formerly PubSubHubbub) is an open protocol for distributed publish–subscribe communication on the Internet. Initially designed to extend the Atom (and RSS) protocols for data feeds, the protocol can be applied to any data type (e.g. HTML, text, pictures, audio, video) as long as it is accessible via HTTP. Its main purpose is to provide real-time…
Usage, Protocol & Overview
Explore the main themes, entities and connections around WebSub. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
protocol subscriber hub pubsubhubbub http notifications hubs publish subscribe changes url references rss subscribers content verification sends accessible provide feed
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| WebSub | related to Protocol | Under WebSub | 0.60 | section |
| WebSub | related to Protocol | HTTP | 0.60 | section |
| WebSub | related to Protocol | URL | 0.60 | section |
| WebSub | related to Protocol | The | 0.60 | section |
| WebSub | related to Usage | Blogger | 0.60 | section |
| WebSub | related to Usage | WordPress | 0.60 | section |
| WebSub | related to Usage | CNN | 0.60 | section |
| WebSub | related to Usage | Fox News | 0.60 | section |
| WebSub | related to Usage | Mastodon | 0.60 | section |
| WebSub | related to Usage | MySpace | 0.60 | section |
| WebSub | related to Usage | Medium | 0.60 | section |
| WebSub | related to Usage | Subscribing | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.