In 2015, three quarters of votes were ‘wasted’, that is, they did not actually contribute to electing an MP.
Follow our live coverage of General Election 2017 here
Vote swapping is when a voter in one constituency agrees to vote tactically for a candidate or party who wouldn’t have been their first choice but has a greater chance of winning in that area.
The appeal reads:
Tactical2017 is a progressive grassroots campaign. We’re encouraging the British electorate to unite and vote tactically in the 2017 election to keep the Tories out of government.
Without any funding, our site has already been shared hundreds of thousands of times, and received national media attention.
But we still need to do more in these final days to get our message across to voters in the 50-100 key seats that will decide the election.
Unless you’re a Tory voter of course. Or Ukip for that matter.
Since then the polls have narrowed drastically with the latest showing the Tories’ lead over Labour has shrunk from 17% to just 1% in a month.
The proportion of people saying the Labour leader would make a better prime minister than Theresa May went from 21% to 36% in a month, the Survation poll for Good Morning Britain (GMB) found.
Snowden told HuffPost UK in April: “I know that there are a lot of people out there who don’t want another Tory government. But due to our broken voting system, they only need 36% of the vote to get a majority of seats (this is exactly what happened in 2015).