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#mobile_first #responsive_web_design #responsive_design #why_mobile_first #seo #seo_questions #seo_questions_and_answers #common_seo_questions #beginner_seo_questions #search_engine_optimization #mobile_seo_optimization #mobile_seo #seo_answers #google_ranking_factors #google_ranking #improve_google_rankings #bruce_clay #bruce_clay_seo #seo_training #learn_seo #how_to_learn_seo #seo_tips #seo_tips_and_tricks #seo_program #seo_course #seo_training_course #seo_expertКомментарии: