React islands, loaded by CycleWire
Everything here is HTML rendered on the server, the counter below included. CycleWire hydrates the counter when it scrolls into view. Until then this page has not downloaded React; check wire.loaded() in the console.
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A React component
"+1" is React. "Save" is a CycleWire action inside the component: it sends the count React rendered, and React shows the result.
Not saved yet