title: //div[@class='post-title']/h1
author: //a[@href='#author']
body: //section[@class='content']

strip: //div[@class='post-meta']
strip: //div[contains(@class, 'topics-list')]

replace_string(wp-block-heading): 

test_url: http://www.digital-photography-school.com/10-ways-to-develop-yourself-photographically