<https://outdoorswimmer.com/coach/how-tos/stroke-counting-why-and-how/#article>
<http://schema.org/image>
<https://outdoorswimmer.com/coach/how-tos/stroke-counting-why-and-how/#primaryimage>
<https://outdoorswimmer.com/coach/how-tos/stroke-counting-why-and-how/>