Traffic at retail stores on Black Friday dropped 28.3% compared with 2019 levels, as Americans shifted more of their spending online and kicked off their shopping earlier in the year, according to preliminary data from Sensormatic Solutions.

Traffic was up 47.5% compared with year-ago levels, Sensormatic said. This time in 2020, many shoppers stayed at home due to fears around the coronavirus pandemic and as retailers operated

“It’s clear shoppers are shopping earlier this season, just as they did last season,” said Brian Field, senior director of global retail consulting at Sensormatic. He added that the two main reasons shoppers are spreading out their holiday purchases are ongoing concerns about Covid and worries about the supply chain.

The peak time for Black Friday shopping in stores was 1 p.m. to 3 p.m., similar to trends in past years, Sensormatic said. Black Friday is still predicted to be the busiest in-store shopping day of the season, according to Sensormatic.