Origin Trial Token Deployment
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The operational pattern for a site operator participating in an origin trial: registering at the Chrome Origin Trials portal, receiving a signed token, and including the token in either the Origin-Trial HTTP response header or the <meta http-equiv="origin-trial"> HTML element. The pattern names token scope (origin-bound versus third-party), token expiration, the common failure mode of deploying a token after the trial has expired, and the third-party token mechanism for JavaScript libraries that enable a trial feature on behalf of their embedders.