TheRodinhoods

Which is the most reliable way to predict traffic/user data for competitor websites?

When starting a company, one relatively important aspect is to obtain competitor metrics (no. of users, traffic, growth %ages, etc.) for several objectives including estimating/planning your own metrics, investment, growth, etc.

I came across several tools including Quantcast, compete.com, comscore, google ad planner, alexa, etc. but quickly found that these are inadequate for many reasons:

It would be great if any of you wish to share your experience with a similar problem, how you worked around it?

Thanks.

Update: I’m looking for experienced people to help me with some approach technique here to figure out the best approximations. I generally try:

Is there anything I’m missing? How would you approach the problem?