The Guardian, BBC and the Economist are among those shortlisted in the 15th annual Webby Awards, which honour excellence and innovation on the internet.

The Guardian and the BBC are both up for six awards. Both are previous winners, including the Guardian being named best online newspaper and the BBC best news site.

The Guardian is nominated in the best practices category alongside Dropbox, Hulu, NYTimes.com and Skype; it is shortlisted in the law category; Saying Goodbye with My Camera is up for the best documentary: individual episode; Haiti: 6 months on is up for a prize in the news and politics series category; the Guardian iPhone app is nominated in the handheld section; and the Guardian Eyewitness iPad app is to go head-to-head with the BBC's iPad app to be named best tablet app.

The BBC gets two further nominations in the podcasts category, one for a History of the World and one for BBC World Service Podcasts; BBC Life Is is nominated for the best use of photography alongside the National Geographic, among others; the BBC's travel site is up in the travel category and Eastenders E20 is up for the drama prize.

The Economist is nominated in the best copy/writing category alongside Wired, the New Yorker, the New York Times and the Onion.

The Huffington Post, NPR, New York Times, the Daily Beast and WSJ are the shortlist for the best new website of the year.

National Geographic, the New Yorker, Rolling Stone, New York Times and Vogue are all up for best online magazine prize.

Last year the New York Times took the best news website award; the New Yorker was named the best online magazine.

The BBC won two People's Voice Awards last year, the alternative prizes in each category voted for by the public.

In addition to judges including Twitter co-founder Biz Stone, Arianna Huffington and David Bowie, millions of people around the world will also help decide who takes home a Webby by voting in the Webby People’s Voice Awards. Voting opened today and runs until 28 April.

Winners will be announced on 3 May and honoured at a ceremony in New York on 13 June.

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