string(235) "cURL error 60: SSL certificate problem: self signed certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://diencongnghiep.vn/wp-content/plugins/wp-extra/assets/js/defer.js?hash=fad03dd242a2860e6de7ea572ad2e871"
failed on get 216.52.183.178