link-followability

{'type': 'object', 'required': ['page_url'], 'properties': {'target': {'type': 'string', 'description': 'Optional. Only report anchors whose href (raw or resolved) contains this string, or whose host equals it. Omit to evaluate every anchor on the page.'}, 'page_url': {'type': 'string', 'description': 'Absolute http(s) URL of the page that contains the link.'}, 'user_agent': {'type': 'string', 'description': "Optional crawler name to evaluate for, e.g. 'googlebot'. Directives addressed to another named agent are then ignored. Defaults to the wildcard agent."}}, 'additionalProperties': False}