https://www.cnet.com/news/report-why-amazon-crashed-on-prime-day-and-how-it-responded/

We may have answers as to why Amazon experienced glitches on Prime Day on Monday. 

The e-commerce giant didn't have enough servers to handle all the traffic on its site during one of its biggest sales days of the year, according to internal documents obtained by CNBC. That led the company to launch a simpler backup front page and temporarily block international traffic.