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User-generated travel review websites have become the most important and sought-after resource for globetrotters, according to a wide-sweeping poll of 35,000 travellers and accommodation owners.

In TripAdvisor's annual TripBarometer report, which polled people from 26 countries across 7 regions, 69% of respondents said they consult travel review websites when making travel plans, ahead of online travel agencies, travel operators, family and friends.

An overwhelming 93% of travellers worldwide also said their booking decisions are impacted by online reviews, while 51% of respondents said they've written a review of their accommodations after a trip.

Meanwhile, free Wi-Fi emerged as the most popular hotel amenity to influence a traveller's booking decision -- echoing the same outcome of a Hotels.com report, which likewise found that the ability to stay connected was the most important amenity. The online reservation site also allows users to submit reviews.

While free Wi-Fi was the most popular amenity for 86% of respondents, a free breakfast was important for 80% of participants.

Here are some other worldwide results from TripAdvisor's TripBarometer:

-69% consult travel review sites
-57% consult online travel agencies
-56% consult travel operator sites
-43% consult friends and family
-30% consult magazine brochures
-24% consult social media
-18% consult storefront travel agencies

Factors that influence booking decisions
-86% said free Wi-Fi
-80 percent said free breakfast
-70% free parking
-23% business center

Green policy
-79% say that eco-friendly practices are important in accommodations

Reviews
-93% say their bookings are influenced by online reviews
-51% say they've written a review of their accommodation post-trip

Mobile booking
-72% say the ability to book via mobile devices is useful

Connectivity
-51% browse the web with their mobile devices
-39% upload photos to social networks
-34% post updates to social networks
-33% find local activities using mobile devices