Yahoo Travel's lofty position as second most popular travel site in the US is shortlived, tumbling back to fifth position after one week.
Agency category leader Expedia increased its market share by almost 0.5% as Yahoo shed almost 6% on the previous.
The top five agencies are now Expedia, Priceline, Orbitz, CheapOair and Travelocity.
Most popular travel websites in the US for the week ending December 3 2011:
Agency
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Destinations and Accommodation
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Airlines
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Travel search terms
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NB: Data couresy of Experian Hitwise