U.S., March 19 -- TripAdvisor is the largest travel site in the world, with 456 million people visiting the site every month to search for accommodation and other hospitality sites ranked according user reviews.

Two women alleged they were raped by staff employed by businesses currently promoted on TripAdvisor and said the company is failing its "duty to public safety" in the way it handles such complaints. They said they fear others are at risk without information about prior alleged incidents being made visible on the business page. These hotels are continuing to be promoted on TripAdvisor.

One woman said she was raped by a tour guide whose business was being promoted on the TripAdvisor. After contacting the hotel where he worked and ...