"It was kind of nerve-wracking when noon hit and we started seeing a bunch of dog photos", Perkel said, referring to the images on Amazon's error page. Eastern time Monday, but declined significantly within a couple of hours, according to Downdetector.com, which monitors web trouble.
The technical issues weren't limited to shopping.
Another of the top-rated anti-aging brand's products with a special Amazon Prime Day Lightening Deal is the Total Repair Eye Gel for Dark Circles and Puffiness, now reduced by 20% as well.
Amazon acknowledged the technical glitches in a tweet Monday at 1:59 p.m. PT. Some threatened to cancel their Amazon Prime account, which is required to shop the sales, because of the issues. Fire TV Stick with Alexa Voice Remote and Echo Dot were the best-selling devices. Shoppers spent 54 percent more in the first four hours of this year's event, which started at 3 p.m.
"For all the hype about Whole Foods, the grocery stuff on sale was less appetizing", said Sucharita Mulpuru-Kodali, an analyst at Forrester Research.
The social media team at the Philadelphia Eagles, who never seem to miss an opportunity to stand out on Twitter (especially when FS1 host Colin Cowherd is concerned), took the opportunity to poke some fun at the online megastore with its own dogs. Some of these aren't specific to Prime Day and thus don't require a membership, but the price cuts are also fairly modest in some cases-you can get $5 off MSRP on some of Nintendo's best games, like The Legend of Zelda: Breath of the Wild and Super Mario Odyssey.
Amazon has seen similar issues with its Prime two-day shipping and Amazon Fresh services, where customers become very upset if they view the service is in any way falling behind the high bar Amazon has set for itself.
In Europe, however, Amazon employees were using Prime Day to draw attention to their complaints against the company.
"I'm sure they are working furiously and many heads are rolling", she said.