Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE on Tuesday criticized a new online effort by Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE supporters to cajole party superdelegates over to his side, calling it an example of “unfortunate behavior."

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“I have heard those reports and had some firsthand accounts of some of the unfortunate behavior that we’ve seen both online and in person,” she said, according to The Washington Post.

“There seems to be a growing level of anxiety in that campaign which I hope doesn’t spill over into the way that his supporters treat other people who have every right to support whomever they chose.”

The new site, SuperdelegateList.com, compiles information into a Google spreadsheet that lists contact information for the more than 700 party leaders given the power to vote for any candidate at the Democratic National Convention.

In the past, Sanders has called for superdelegates' votes to reflect the results of their home states. Although that would shrink Clinton’s delegate lead substantially, she would still be safely ahead.

More recently, Sanders has argued that superdelegates will flip to his side even if he doesn’t win the majority of pledged delegates because he would be better general election candidate than Clinton would.

The Associated Press tracker shows 469 superdelegates in Clinton’s corner and 31 for Sanders.

Along with criticism of the website, initially named "Superdelegate Hit List" Sanders supporters have been accused of harassing Clinton supporters online, mostly on social media.

A handful of Clinton superdelegates accused Sanders supporters of making “threats” in interviews with the Post. Another published an open letter framing some Sanders supporters as “bullies.”

Sanders’s campaign told the Post that it has not sanctioned any outside superdelegate recruitment efforts, with campaign manager Jeff Weaver adding that “we certainly don’t condone harassment of anybody."

Spencer Thayer, the founder of the site, has bashed the superdelegate process on Twitter as “patronage” and noted after a recent interview with the Post that he had “always wanted to be in a paper of record discrediting Clinton.”

But Thayer’s use of the term "hit list," as well as a previous logo that included a donkey stuck with arrows, had drawn its own criticism.

A post on the website says the name was changed because the former title had begun to “detract from the website’s purpose.”