Its 1999 deal to back-fill its directory with Google results brought 3 million searches a day. The traffic nearly broke Google's servers, so Google shut off google.com for a day to serve Netscape users.
It IPO'd in August 1995 at a $3 billion market cap and tripled to about $10 billion. Free IE bundled with Windows cut its share, its stock fell a third on December 7, 1995, and AOL bought it for just over $4 billion in 1998.