Quantcast - Open Internet Ratings Service

What Is Quantcast?

Quantcast is a new media measurement service that enables advertisers to view audience reports for millions of sites and services to build their brands with confidence. The free service empowers publishers to demonstrate the unique value of their audiences by tagging their websites, videos, widgets and games for direct measurement.

Quantcast Media Planner ranks millions of web properties based on their ability to deliver your target audience - the way you define it. Unlike panel-based services, much of Quantcast’s data is based on directly measured (Quantified) traffic - collected through a program publishers participate in. Other sites not participating in the program (non- Quantified) have panel-based audience estimates provided. Leverage powerful demographic, geographic (TV DMA), lifestyle interest, or brand affinities to drive unparalleled visibility across the web - major publisher sites, networks, vertical properties and more.

A Team of Engineers and Mathematicians

Quantcast Corporation was founded in 2005 by a team of engineers and mathematicians committed to advancing the digital media industry. The Quantcast team has conducted extensive research and development to provide publishers with a free and easy way to report on the audience metrics that advertisers demand, including traffic, demographics and lifestyle assessments.

Quantified Publisher Program

It’s hard to articulate the value of your sites and services to advertisers. Even expensive third-party research can underestimate your audience size, costing you money.  Quantcast can help. For the first time in history, Quantcast enables you to participate in the audience ratings process by tagging your sites and services for direct measurement.

Finding Your Audience With Quantcast

Define your target audience by age, gender, ethnicity, income, education, and DMA (for Quantified sites). Add result constraints tied to unique people counts, content category, or minimum composition index of your target. A real time search will evaluate millions of web properties and networks and present them in an interactive list. You can even constrain results to sites that accept ads, or that participate in the Quantified program.
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How Does Quantcast Work?

Start With Panel-Based Data: Most rating firms estimate web audiences the same way radio audiences were estimated 70 years ago: by surveying a sample of people and extrapolating to the larger audience.

Our estimates start the same way, with a panel of several million people who anonymously share their web usage history with us. Using statistical techniques we project which sites the rest of the U.S. web audience is visiting and publish basic profiles reflecting those estimates.

Unfortunately, panels aren’t perfect. Panels have biases, and with millions of destinations on the Web, even a panel as large as ours can’t do justice to niche audiences. So our analysis doesn’t end there.

Directly Measured Data: With publishers’ cooperation, web visits can be counted directly and accurately. Our Quantified Publisher program enables publishers to tag their sites and services for measurement free of charge. We can then gauge the actual reach, frequency and popularity of their websites, videos, widgets, games and more.

Direct measurement isn’t perfect either. Web logs ultimately measure page views, not people. Because of technical challenges like cookie deletion, it’s hard to know how many actual people are visiting, much less to get any insight about “who” they are.
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Summing It All Up

Quantcast offers a great service which at first sight is very similar to what Alexa offers. However Quantcast offers much more accurate data.

With the possiblity to measure visitors directly using code snippets (something which Alexa is missing) advertisers can know accurately how much people visit a certain website and another Plus, who these people are.

Quantcast is something that every website, blog and forum that are offering advertising spaces should consider using in order to their advertisers an incentive and fair view as to what they will get.

Take A Look At Google.com Quantified Page >>

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