Which HTTP code ranges refer to crawl errors? Choose two answers. November 4, 2018 By CertificationAnswers Which HTTP code ranges refer to crawl errors? Choose two answers. 2xx range 3xx range 5xx range 4xx range Related content Related posts:SEMrush Technical SEO Exam Answers PDFSEO Toolkit Exam for Advanced SEMrush Users AnswersSEMrush Affiliate Program Terms Exam Answers 2018SemRush SEO Fundamentals Exam Answers