Web Browser Operating System IE Firefox Safari Opera Netscape Other_B WinXP Win2000 MacOS MacIntel Win98 Other_OS October, 2004 92.31% 2.69% 1.46% 0.49% 2.14% 0.91% 63.47% 15.79% 3.23% 0.00% 10.99% 6.52% November, 2004 91.56% 3.51% 1.48% 0.49% 2.06% 0.90% 65.20% 15.15% 3.23% 0.00% 10.20% 6.22% December, 2004 90.31% 4.64% 1.56% 0.55% 2.07% 0.87% 66.31% 14.62% 3.29% 0.00% 9.81% 5.97% January, 2005 89.44% 5.59% 1.66% 0.52% 1.98% 0.81% 67.99% 13.79% 3.41% 0.00% 9.19% 5.62% February, 2005 89.04% 6.17% 1.69% 0.48% 1.89% 0.73% 68.90% 13.79% 3.37% 0.00% 8.63% 5.31% March, 2005 88.59% 6.71% 1.73% 0.46% 1.80% 0.71% 69.87% 13.67% 3.41% 0.00% 8.08% 4.97% April, 2005 88.00% 7.38% 1.81% 0.46% 1.68% 0.67% 71.05% 13.07% 3.52% 0.00% 7.68% 4.68% May, 2005 87.23% 8.06% 1.91% 0.51% 1.64% 0.65% 72.04% 12.66% 3.57% 0.00% 7.27% 4.46% June, 2005 86.56% 8.71% 1.93% 0.59% 1.55% 0.66% 73.43% 12.29% 3.42% 0.00% 6.65% 4.21% July, 2005 87.20% 8.07% 2.13% 0.49% 1.50% 0.61% 74.88% 11.21% 3.45% 0.00% 6.38% 4.09% August, 2005 86.31% 8.27% 2.20% 0.62% 2.02% 0.58% 75.92% 10.90% 3.48% 0.00% 5.85% 3.85% September, 2005 86.87% 7.55% 2.39% 0.51% 2.16% 0.52% 76.36% 10.69% 3.74% 0.00% 5.52% 3.69% October, 2005 86.52% 8.59% 2.56% 0.54% 1.26% 0.53% 77.44% 10.03% 3.87% 0.00% 5.13% 3.53% November, 2005 86.08% 8.84% 2.78% 0.53% 1.25% 0.52% 77.92% 9.82% 4.11% 0.00% 4.78% 3.37% December, 2005 85.05% 9.57% 3.07% 0.55% 1.24% 0.52% 78.92% 9.06% 4.35% 0.00% 4.45% 3.22% January, 2006 85.31% 9.50% 3.00% 0.52% 1.17% 0.50% 79.90% 8.75% 4.21% 0.00% 4.07% 3.07% February, 2006 85.03% 9.75% 3.13% 0.53% 1.06% 0.50% 80.17% 8.59% 4.28% 0.03% 3.89% 3.04% March, 2006 84.70% 10.05% 3.19% 0.54% 1.05% 0.47% 80.70% 8.44% 4.29% 0.08% 3.60% 2.89% April, 2006 83.88% 10.68% 3.30% 0.56% 1.06% 0.52% 81.79% 7.68% 4.33% 0.16% 3.23% 2.81% May, 2006 84.16% 10.56% 3.26% 0.59% 0.95% 0.48% 81.93% 7.78% 4.19% 0.23% 3.15% 2.72% June, 2006 84.04% 10.77% 3.19% 0.57% 0.93% 0.50% 82.68% 7.42% 3.92% 0.36% 2.95% 2.67% July, 2006 83.56% 11.34% 3.18% 0.59% 0.91% 0.42% 83.65% 6.74% 3.80% 0.49% 2.68% 2.64% August, 2006 83.02% 11.84% 3.21% 0.64% 0.87% 0.42% 84.18% 6.54% 3.71% 0.62% 2.40% 2.55% September, 2006 82.10% 12.46% 3.53% 0.64% 0.85% 0.42% 84.56% 6.08% 3.88% 0.84% 2.24% 2.40% October, 2006 81.28% 12.96% 3.93% 0.61% 0.83% 0.39% 84.62% 5.79% 4.09% 1.12% 2.04% 2.34% November, 2006 80.56% 13.50% 4.03% 0.67% 0.83% 0.41% 84.95% 5.46% 4.10% 1.29% 1.90% 2.30% December, 2006 79.64% 14.00% 4.24% 0.87% 0.85% 0.40% 85.30% 5.00% 4.15% 1.52% 1.77% 2.26% January, 2007 79.75% 13.67% 4.70% 0.73% 0.79% 0.36% 85.02% 4.93% 4.34% 1.88% 1.63% 2.20% February, 2007 79.09% 14.18% 4.85% 0.79% 0.74% 0.35% 84.33% 4.75% 4.29% 2.09% 1.50% 3.04% MARKET SHARES OF WEB BROWSERS & OPERATING SYSTEMS Source: http://marketshare.hitslink.com/ (As at 12 March, 2007)