– The NCSA Mosaic Internet Web Browser was not the first web browser available. – While the exact numbers are not known, the NCSA Mosaic Internet Web Browser had been downloaded by tens of thousands of users within the first few weeks of being released.
Who built Mosaic browser? – Marc Andreessen and Eric Brina at the NCSA in the University of Illinois began developing the Mosaic browser in 1991, releasing the first official Mosaic browser in 1993. Was Mosaic the first browser? – Mosaic was not the first browser or even the first graphical browser, but it was the most user friendly browser at the time of its release.