It seems unlikely that do-not-track will be enabled by default, however, given Google's dependence on online advertising revenue.

Given that Mozilla lead privacy engineer Sid Stamm was one of the original creators of the standard, it should come as no surprise that Firefox already boasts baked-in support for do-not-track. However, Stamm wrote in a blog post last year that Mozilla doesn't enable the standard by default, out of respect for consumer choice.

"It's important that the signal represents a choice made by the person behind the keyboard and not the software maker, because ultimately it's not Firefox being tracked, it's the user," .