Physical wellness indicates a high level of endurance, flexibility and strength... Mental and emotional wellness focuses on an acceptance and agreement with ones emotions and feelings.
Answer
It occurs when a popular website links to a smaller website resulting into increased traffic
Explanation
A Slashdot is a sudden temporary surge in traffic to a website caused by a post from a high traffic web site. It can bring a site down and make it temporary unavailable especially if the small site is not set to handle high level traffic leading to crash. This effect is also called the Reddit Hug of Death.