Here's how some of the biggest online sales days compare during the 2016 holiday season, based on data from comScore.

Cyber Monday’s dominance of U.S. holiday online sales held in 2016, with the Tuesday after Thanksgiving securing the second position, followed by Black Friday, according to data from web measurement firm comScore Inc.

The top-selling days followed the same pattern as they did the year before. The Monday after Thanksgiving has led U.S. e-commerce sales for seven years straight. However, Black Friday is gaining ground on Cyber Monday as a leading day for online sales in the United States, and some industry experts say the day after Thanksgiving is poised to take over as the most lucrative online sales day of Thanksgiving weekend because retailers are spreading out their promotions. In 2015, Black Friday moved up in comScore’s ranking by desktop sales to third place from fourth place in 2014, while the second Monday of December, which some call Green Monday, fell to fifth in 2015 from third place in 2014.

Consumers spent $63.1 billion buying online via desktop and laptop computers during the 2016 holiday season of November and December. Desktop online spending exceeded $1 billion on 30 days during that period compared with 16 days that hit the $1 billion milestone in 2015. U.S. e-retailing’s first billion-dollar day occurred on Cyber Monday in 2010 (Nov. 29).

Here are the top 10 online spending days of the 2016 holiday season:


And here are key dates and periods of the season: