Allow all requests
allowAllRequests allows the matching frame request and future requests in that frame hierarchy. It is broader than allow, which applies to one request.
Resource types
Chrome requires allowAllRequests rules to use only:
main_framesub_frame
Headerly does not add resource types automatically for this action. If you add a Resource Types or Excluded Resource Types condition, select only these values.
Priority
Once a frame matches, an Allow All Requests rule can suppress lower-priority Headerly actions for requests in that frame. Use a narrow URL or domain condition and an intentional priority.
The action has no additional fields.