<https://forum.squarespace.com/topic/204152-customizing-testimonials-using-summary-section-from-blog/>
<http://schema.org/image>
<https://forum.squarespace.com/applications/core/interface/email/default_photo.png>
<https://forum.squarespace.com/topic/204152-customizing-testimonials-using-summary-section-from-blog/>