v151 · performance · prerendering

Syntax Builder

Configure a list-rule prerender target, then generate speculation-rules JSON with the proposed boolean form_submission member in its correct location. Script insertion does not prove that a browser accepts the field or creates a prerender.

Prerender URL Prepare this prerender as a form submission Eagerness

Generated speculation rules

Click "Generate JSON" to build the rules.

references

ChromeStatus entry
Open, unmerged form_submission proposal
form_submission explainer

implementation reference

Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗