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The site still has her Pennsylvania spot titled “Scranton,” which features black and white photos of Mrs. Clinton as a girl, and the “Dreams” ad in which the senator from New York shows photographs of her parents, talks about the values they instilled in her and promises, “I carry with me not just their dreams but the dreams of people like them all across our country.”

The final video shows Mrs. Clinton and former President Bill Clinton meeting the campaign’s 1 millionth supporter.

Several upbeat videos also have vanished from the site and YouTube page.

Voters trying to view the Chelsea Clinton Mother’s Day tribute are directed to an error page that informs them: “We’ve recently updated our site and we welcome you to explore the new content from the navigation above.”

Although cleaning up a campaign site for the sake of party unity isn’t unusual, the YouTube scrubbing is. Other failed White House hopefuls have left their free campaign “channels” — created before last summer’s YouTube debates — intact, and ads for Republican Fred Thompson and Democrat Joseph R. Biden Jr. are still posted.

But the Clinton YouTube page is missing hundreds of videos, positive and negative alike. Her victory speeches, a showcase of enthusiastic young volunteers and her pledges to keep fighting through the primary season are history.

Yet nothing is ever truly gone in the YouTube age because Internet surfers have spliced, diced and saved every campaign ad of the cycle. Cable networks still can replay the ads, but any blogger who tries to link to the Clinton versions will get an error message: “We’re sorry, this video is no longer available.”

Still intact on the Hillary Hub YouTube page are remnants of some of the nastier moments of the campaign, including Mr. Wolfson’s insistence that he would not accept Mr. Obama’s delegate math unless the Florida and Michigan votes were fully counted, and a Clinton surrogate in North Carolina responding to Mr. Obama’s comments about “bitter” rural Americans.

Also on that page is a clip called, “Confronted w/ facts Obama experiences technical difficulties,” that shows a news report critical of Mr. Obama on the health care issue.

The HillaryClinton.com page is no longer funded by the presidential campaign, and a new disclaimer notes that “Friends of Hillary,” Mrs. Clinton’s Senate re-election committee, is paying for the site. She is not up for re-election until 2012.

Mrs. Clinton will be fundraising for Democratic candidates until the November election using her HillPAC political action committee. Its Web site, HillPac.com, was reactivated this week.