Multimap.com, which offers maps of different areas and locations in the UK, drew 27.04% of visits to UK travel websites during the week ending March 18.
Its closest competitor was Go-Fly, the website of budget airline Go, which drew 12.25% of visitors.
In third place, just behind Go-Fly, was fellow budget airline EasyJet with 11.65% of visits and in fourth place, Multimap rival UK Street Map had 10.66% of visits.
Online travel agent Expedia was in fifth place with 9.94% and Lastminute came sixth with 7.85% of visits to UK travel websites.
MyTravel was in seventh place with 5.67%, followed by British Airways with 5.24%. Travel Select was ninth with 5.15% and Teletext Holidays was 10th with 4.55% of visits.
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