JSON

Outputs raw message output in a JSON string.

[{"url":"http://example.com","summary":"http://www.webpagetest.org/results.php?test=160330_0S_TXX","messages":[{"ruleId":"requestsDoc","severity":1,"message":"'requestsDoc' is 1 should be greater than 3"},{"ruleId":"responses_404","severity":2,"message":"'responses_404' is 1 should be 0"}],"errorCount":1,"warningCount":1}]