The concern over pop-up content goes beyond traffic numbers.

Asked about Zango's potential as a tool to inflate traffic numbers, he said that publishers and measurement companies need to work out the issue themselves.

"There was a component glitch but there were also very high traffic numbers."

At first, the difficulty in establishing strong traffic numbers was forcing the company to operate near empty flights to and from Heathrow.

Big traffic numbers ruled the world once, but now you have to make every reader feel special.

A lot of content-based Web sites get most of their money from advertisers, which are attracted by high traffic numbers.

Because of its high traffic numbers, the blog played a key role in the resulting controversy.

I didn't want to send Dan's robust traffic numbers into a downward plunge.

This first series of rebuilt railcars was given the new traffic numbers 30-38 (see table).

Not long ago, huge traffic numbers were considered a road to financial success.