Social gaming company Zynga raised $1 billion in its IPO in December, 2011, the biggest web-related IPO since Google, according to the Associated Press.
Zynga had a valuation of $7 billion before it began trading on the Nasdaq on December 16.
RenRen, the Chinese social networking site, raised $743 million in its IPO in May 2011, according to Reuters.
At the end of its first day of trading, the company had a market value of $7.4 billion.
As of December 16, 2011, RenRen's market capitalization stood at $1.34 billion.
The daily deals site raised $700 million in its IPO in November 2011, valuing the company at nearly $13 billion.
As of December 16, 2011, Groupon's value was $14.4 billion.
LinkedIn, the professional social network, raised $352 million in its IPO in May 2011.
According to Reuters, the company was worth $9 billon after its first day of trading on the public market.
As of December 16, 2011, LinkedIn's value had dropped to $6.35 billion.
Internet radio site Pandora raised $234 million when it went public in June 2011, valuing the company at $2.56 billion, according to The Wall Street Journal.
As of December 16, 2011, the company had a market value of $1.71 billion.
HomeAway.com, a vacation home rental site, raised $216 million in its IPO in June 2011, according to MarketWatch.
In its first day of trading, reports TechCrunch, the company had reached a valuation as high as $3 billion.
As of December 2011, HomeAway had a market cap of $1.89 billion.
Demand Media, a web content company, or "content farm," raised $151 million in January 2011. The Wall Street Journal reports that the company was worth a whopping $1.78 billion after its first day on the New York Stock Exchange.
As of December 16, 2011, the company's market cap had fallen to $593 million.
In the photo above, Richard Rosenblatt, Chairman and CEO of Demand Media, joins Tyra Banks at the New York Stock Exchange on March 15, 2011.
Angie's List, a site where members can review doctors, contractors and more, raised $130 million in its November 2011 IPO, according to VentureBeat.
The AP notes that at the end of the first day of trading, the company was valued at $904 million.
As of December 16, 2011, the site had a market cap of $886 million.
According to TechCrunch, the real estate website Zillow raised about $69 million in its July 2011 IPO. The value of the company rose to as high as $1.6 billion on the first day of trading but dropped to $950 million at market close.
As of December 16, 2011, Zillow's market valuation was $657 million.