NEW YORK (

MainStreet

) -- Given the long lines that shoppers must deal with in stores on Thanksgiving weekend, many may prefer to browse for sales online instead, but shopping online can come with long wait times as well.

It took the 25 largest e-commerce Web sites an average of nearly four minutes to respond to customer service questions by phone between Black Friday and Cyber Monday this year, and more than a quarter of the retailers forced customers to wait at least five minutes to speak with someone, according to data from

StellaService

, a customer service ratings company.

If you're looking for a hassle-free shopping experience, make the most of your purchases through Amazon and Overstock.

SonyStyle.com had by far the longest hold time of roughly 11.5 minutes, while other popular retailers such as JCPenney.com and Newegg.com each clocked in at about seven minutes. Several of these same sites also ranked near the bottom of the list in

email response

time. Newegg.com, for example, had responded to only a quarter of all customer service emails within 24 hours while the

J.C. Penney

(JCP) - Get Report

Web site didn't respond to any emails in that period.

Needless to say, these wait times are certainly worse than usual. According to StellaService data, the amount of time customers were on hold with these 25 retailers during Thanksgiving weekend was 139% longer than during the first two weeks of November. Still, a handful of businesses including

Amazon

(AMZN) - Get Report

and

Overstock.com

(OSTK) - Get Report

had wait times of less than two minutes and managed to respond to all customer emails within 24 hours, even during the busiest shopping time of the year.

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