Quantcast -- Audience Measurement, Lookalike Modeling, Audience Buying

 

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Frequently Asked Questions

  • General
  • Getting Quantified
  • Quantcast Measure
  • Quantcast Advertise
  • Quantcast Measure for Apps

Quantcast Measure

Quantcast Measure for Apps

What is Quantcast?

Quantcast is a digital advertising company specialized in audience measurement and real-time advertising. Delivering on the promise of more relevant advertising requires an in-depth understanding of online audiences. As the pioneer of direct audience measurement in 2006, Quantcast has today the best understanding of digital audiences across the web, allowing marketers and publishers to buy and sell the most effective targeted advertising at significant scale. More than 1,000 brands rely on Quantcast for real-time advertising.

Quantcast’s technology starts with the industry’s most in-depth understanding of digital audiences, and uses this to target the full funnel, from generating initial awareness to driving the actual purchase. This unique combination allows Quantcast to make the best targeted advertising decisions for performance and brand campaigns, on every individual impression.

Do you cover the whole world?

Yes. While Quantcast’s most comprehensive visibility is in the U.S., we have global data as well.

What is the difference between Quantified and non-Quantified audience data?

Quantcast provides audience and demographic data for over 100 million web destinations that have opted to participated in Quantcast Measure ( "Quantified" sites), including websites, video, widgets, blogs, and advertising campaigns. Though we welcome all digital media publishers and marketers to have their media assets Quantified at no cost, some have not yet done so—these are non-Quantified sites.

For sites that are not Quantified, it says "data is estimated." What does this mean?

For sites that are not Quantified, we rely on third-party data, derived from a variety of sample data sets collected from ISPs and Toolbar providers. Because these estimates are not based on actual census-level traffic, they are subject to many of the same sample size and population biases that traditional panel-based audience measurement services encounter—it’s not always accurate and does not currently include mobile web traffic.

Of what self-regulatory program is Quantcast a member?

Quantcast is a member of the Digital Advertising Alliance ("DAA") (http://www.aboutads.info) and is in compliance with the Self-Regulatory Principles for Online Behavioral Advertising.

How do I hide or remove my site from Quantcast’s listings?

We do not remove sites from our listing. We recommend getting Quantified in order to get more accurate traffic statistics as well as gain control over which data points you make visible to the public, and which you use for internal purposes only.

How do you collect your data?

We collect directly measured data from the millions of web destinations controlled by Quantified sites. All the data we collect is anonymous and contains no personally identifiable information (PII).

What information do you collect?

We observe anonymous records of visits to Internet destinations. Quantcast does not collect any personally identifiable information (PII). All of the analysis conducted by the Quantcast system is done using anonymous Internet usage information. For further information please review our privacy policy.

How do I get Quantcast reports for my site?

Create a Quantcast account and check your email for a link to verify your account. On the landing page, click “Add a Website” and follow the instructions for tagging your web properties.

How long does it take to gain access to reporting?

Traffic reports will be available within 4 to 6 days. Demographics, geographies, lifestyle, and business reports are available in 4 to 6 weeks.

Are there best practices for tagging my web properties?

Yes: Take a look at our Best Practices for Tagging as well as the Web Measurement Implementation Guide.

I’m trying to Quantify multiple sites. Can I use the same tag?

Yes. The tag generated by Quantcast is specific to your account, not to a single site. In the tag generator area of your Quantcast profile, simply add up to 10 URLs into the field called “Your Sites”. If you have more than 10 sites to add, please contact us.

I have multiple websites; can one Quantcast account track all of them?

Yes. We encourage you to use the same Quantcast account for multiple properties, including websites and distributed media such as ads. This will allow you to look at the de-duplicated reach and demographics for all of your online assets.

  • For multiple websites, add your same Quantcast tag to all of the pages of each of the sites.
  • For distributed media such as widgets, ads, or videos, their traffic will automatically be attributed to ‘Syndicated Traffic’ in your network view.

How do I create a network?

Once you have created an account and logged in via the homepage, click ‘Create a Network’. This allows you to roll all of your properties into one aggregated audience report. Networks can contain an unlimited number of websites and assets.

When will my site(s) appear on the Sites List in my audience profile?

After you have implemented the Quantcast tag on your website(s) and have submitted the URLs within the tag generator, sites will appear in your profile within 24-48 hours.

How and when does Quantcast begin to scan my site(s)?

After you create an account, add your site and implement properly formatted tags; Quantcast will send a verification email and begin to scan site data. If there are any problems with these steps, you will be notified promptly.

Can I host quant.js on my own server?

No. quant.js must be dynamically generated from our specially configured servers in order to generate audience data for your site. It does not work properly from any other server.

Many different people touch my site’s code. What steps can I take to ensure my tag remains properly configured?

We recommend doing a realistic assessment of your organization, and consider implementing a third-party audit and monitoring tool.

Can I remove/modify any portion of the Quantcast tag?

No. To ensure proper functionality, the tag layout must remain completely unchanged in order to be quantified.

I use split tags. Can Quantcast see these tags?

Quantcast can see these tags provided you follow the instructions in our advanced measurement guide.

I deleted a previously Quantified site. Can I resubmit my site?

Yes. Sign into Quantcast and follow the instructions to Quantify your site. Be sure your Quantcast tag is placed on all pages of the site.

Can I have multiple Quantcast tags on a site?

Yes. Multiple Quantcast tags can be on a page without interfering with each other. However, it should be noted that while site traffic will be attributed to all tags equally, it will be labeled differently in the user interface. In the account from which the site is officially Quantified, the traffic will be labeled as "Website" traffic. For all other parties with a Quantcast tag on the same site, the traffic will be labeled as "Syndicated” traffic.

Can my site be part of more than one Network?

No. Just as a site can only be Quantified through one account at a time, a site can only be part of one Network at a time. In order to add a site to a network, it must first be deleted from its existing network. All historical data will be deleted once a site is removed from a network.

Will the Quantcast tag interfere with other third-party tracking codes?

No. Many websites also run a web analytics package in addition to Quantcast.

How do I add Quantcast to my content management platform website?

If you’re using a Content Management System (CMS), you must have access to the files hosted by your web-hosting provider.

Place your Quantcast tag in a common file—something that loads onto every page, such as a footer (for most platforms, common files are usually in the ‘themes’ folder and are labeled something like ‘footer.php’, ‘index.php’). Simply open the file on your computer, add your Quantcast code at the bottom of the file, and re-save the file to your web-host.

Next, login to your Quantcast account, add your site to the list, and you’re on your way.

What is the Quantcast asynchronous tag?

“Asynchronous” essentially means it does not disrupt page loading or user experience. The tag is backwards compatible with the previous Quantcast JavaScript tag (see below), and supports all existing Quantcast services.

How do I implement it?

For instructions, visit our Web Measurement Implementation Guide.

How does it work?

The asynchronous tag ensures that the quant.js file (a core component of Quantcast Measure) loads in the background a single time, upon the first pageview of each session. The tag pushes notification of subsequent pageviews via the _qevents array.

How does it improve performance?

By loading in the background, the number of direct calls is minimized and latency is improved, ensuring proper measurement with minimal impact on user experience.

Will there be any impact on the traffic displayed on my Quantcast profile after I switch to the asynchronous tag?

No. Assuming you simultaneously remove the old tag while adding the asynchronous tag, there will be no impact on your reporting.

I have tags from multiple Quantcast accounts on my website. Will mixing and matching the asynchronous tag with the previous tag cause any issues?

No. The asynchronous tag is fully compatible with the previous version of the tag.

How much does Quantcast Measure cost?

Quantcast Measure is completely free of charge.

As a Quantified site, what information will I be able to access?

Getting Quantified will allow you to gather traffic information, as well as granular demographics, geographies, lifestyle and business data for all of your web properties.

What reporting is available for download?

You can download audience data for your web properties in CSV format. This includes all report information you see when you sign into Quantcast, including traffic, traffic frequency, demographics, geographies, lifestyle and business. To start, sign into Quantcast and click the Download button to select the data you want to use.

Some of my internal domains are appearing on my profile. How can I hide them?

If your staging environment is a subdomain of a site you’ve Quantified, such as staging.quantcast.com, you may see reporting on this traffic rolling into your total. The best way to keep our measurement pixel from reporting traffic on these kinds of pages is to either include the pixel selectively when you generate these pages, or configure your firewall to block requests to quantserve.com referred from that domain.

How can I exclude my internal traffic from my traffic counts?

Internal traffic (visits from you or other employees/contributors to your own site) is a tiny part of a typical site’s audience—our studies have estimated internal traffic at less than 1% of the total. If you’re generating an unusual amount of internal traffic, we recommend adding server logic to your pages in order to exclude our measurement tag on requests from your own IP address. Alternatively, you may consider configuring your firewall to block requests to quantserve.com referred from your site.

How do I exclude bots and spiders from my traffic metrics?

Quantcast automatically excludes robots and spiders from your traffic count as long as they identify themselves in the User-Agent request header. Traffic generated by Googlebot, monitoring services such as Gomez, and others known to the IAB’s Bot and Spider List will also be excluded from your traffic counts. If you’re using an automated, homegrown means of generating traffic to your site, you should make sure it identifies itself by putting “robot” in the User-Agent.

How do you obtain your demographic information?

Quantcast uses an inference model to characterize audiences of nearly any size. Quantcast has NOT built its model on PII (personal identifiable information), but instead uses a large-scale mathematical model to infer demographics of visitors.

The inference approach is built on a foundation of direct measurement, using numerous data inputs that provide insight into demographic benchmarks. These benchmarks are the foundation for rich audience segments used across millions of digital media assets.

Is there a Quantcast stat equivalent to the metric ‘Unique Visitors’ or ‘Absolute Unique Visitors’ that my javascript-based web analytics package uses?

Yes, you should compare Unique Visitors/Absolute Unique Visitors with the ‘Cookies’ statistic that we provide for Quantified Publishers.

JavaScript-based analytics packages calculate a site’s Unique Visitor number by counting the number of unique cookies seen over a specific period of time.

What does the Quantcast ‘People’ number in publisher profiles mean?

The People number aims to describe the actual number of human beings viewing a web property: One of the several issues with using the pure ‘cookie-counting’ methodology is that it does not account for the same person visiting the same site from multiple computers. The same person is visiting the site, but they are being counted as if they were two. You can read more on Quantcast’s methodology here.

What is the date range for the traffic numbers on your site?

For Quantified sites, traffic numbers are updated daily and work on a rolling 30-day basis (traffic statistics shown are from the previous 30 days). For non-Quantified sites, data is updated monthly.

For sites that are not Quantified, it says "data is estimated." What does this mean?

We rely on third-party data to measure properties that are not Quantified, derived from a variety of sample data sets collected from ISPs and Toolbar providers. Because these estimates are not based on actual census level traffic, they are subject to many of the same sample size and population biases that traditional panel-based audience measurement services encounter.

Can Quantcast measure Ajax activity?

Yes. Our tag ultimately measures the number of times a browser loads Ajax, whether the load was triggered by a user or by an Ajax call. This is represented as “impressions” or “events” in our reports.

For sites that make heavy use of Ajax, there are considerations to be made in interpreting this number: It can understate user engagement if the site updates much of its content through Ajax without reloading our tag, or it can overstate engagement if the site reloads our tag when the user session is inactive.

I added your tag to my site, why does my Quantcast profile look the same?

Once the tag has been placed on every page of your site, there is a 24-48 hour window where your profile will say “measurement in progress” (top right corner). After the tag has collected approximately 5 days worth of data, your site will be officially ‘Quantified’.

I’ve inserted my tags into my widget/advertisement/video/other distributed media, why don’t I see the data anywhere?

Ensure that you have created a Network view. Log into your Quantcast account, and click the Home section. Click ‘Create Network’ which will prompt you to enter a name for your network. This will instantly create a network view that will include the reach of all of your distributed media.

What are the differences between the 'Website', 'Syndicated' and 'Network' traffic classifications?

A Network can be made up of both fully Quantified sites and distributed media (syndicated traffic), and we classify these differently to make analysis easier for publishers:

  • Website traffic is what Quantcast sees from sites that are Quantified under your account.
  • Syndicated traffic is what Quantcast sees coming from your tag, but not on a site you have listed as Quantified—for instance, if you distribute your widget to another site that isn’t yours.
  • Network traffic is the sum of both Syndicated and Website traffic, indicating the full reach of all of your Quantcast-tagged assets.

What do "affinity" numbers on a site profile mean?

Affinity is best described as the tendency or likelihood of a user to perform a certain action. In this instance, Quantcast views a particular site’s entire audience, and gauges how likely they are to visit another specific site. The number is a representation of this group’s tendency to visit that other site compared to the rest of the Internet.

For example:Site A has a 14.0x affinity to site B

This means that a visitor from Site A is 14 times more likely to also visit site B, in comparison to the average Internet user.

What control do I have over my data’s visibility to the public?

As a Quantified site, you have complete control over which data is public, and which is kept private. Data visibility can be configured in the Home section by clicking “Edit settings” and selecting options in the “Public Access” section.

Access to data is on a site-by-site basis (also set in the ‘Home’ tab, select ‘Sites’ > ‘Settings’ > ‘User Privileges’). Please note that access can only be granted to individuals with a registered Quantcast account, available for free at www.quantcast.com/user/signup

How does Quantcast treat subdomains?

Quantcast will provide separate profiles on each of a site’s subdomains as long as the Quantcast tag is present. There is no need to add in each subdomain separately from the domain, as Quantcast will automatically generate them under the ‘Subdomains’ section of your profile.

I requested access to hidden data, when and how can I view it?

After you’ve submitted your request, the website will receive a notification that you’d like access to this data. The notification will include the name and email address associated with the your Quantcast account. At that time, the website can choose to accept or deny your request for data. Additionally, the website may contact you directly.

If the website has granted your request to access hidden data, you will receive a notification in your Quantcast account. Once you’ve been granted access, viewing the reports is as easy as going to that publisher’s profile. The data that was previously hidden will now become visible (you must be logged into your Quantcast account). Note that the website may at anytime recall data access rights.

Why is my Quantcast Measure data different from what panel-centric syndicated services report?

Quantcast provides Quantified sites with audience data based on directly measured census-level traffic. As a result, Quantcast audience data should align with a site’s internal reporting. Syndicated services typically report data based on panels, projecting a publishers’ total traffic off a small subset of their actual traffic.

The syndicated services may also be reporting different aggregations of domains, subdomains or even specific pages. As a result, traffic assignments may not line up between services. In such an environment, resulting data is not an exact apples-to-apples comparison.

Another possible difference – Quantcast audience data is based on visits, which may not be the case for other services that report traffic on basic audience composition.

My site is not Quantified but the numbers for my site don’t align with my internal statistics — why?

If your site is not Quantified, then we’re only able to present estimates for your audience. These estimates are only as accurate as traditional panel-based measurement services, as we are relying solely on third-party data. Quantcast’s system is collaborative and sites can participate in our continuing effort to offer the most accurate data available by getting Quantified, free of charge. Quantcast Measure incorporates your real site traffic into the audience calculations, thus offering the highest degree of accuracy.

My site is Quantified — why isn’t my data matching up with my internal analytics?

When properly implemented, Quantcast data will line up closely with most web analytics packages—However, there are several common problems that account for the vast majority of issues with data alignment:

  • Your tag is not placed on every page of your site. In order for us to accurately measure your site, it is essential that the tag be placed on all pages — consider placing it in a common footer file.
  • You are recently Quantified. If we don’t have 30 days worth of data on your website or network, we attempt to project our metrics based on the data that we have seen. For instance, if you Quantified your site on a day with very low traffic, it’s likely that our 30-day projection will appear lower than your actual site traffic. These numbers will converge on your true traffic as we gather more data. An easy way to make sure we are seeing all of your traffic is to log into your Quantcast account, open your profile, and visit the Traffic tab. Click ‘Download traffic stats’ and ensure that the daily page views align fairly closely with your internal analytics.
  • Your tag has been removed or malformed since Quantification. Oftentimes our tag is accidentally removed, or altered in a way that interferes with its correct operation, by accident. If you’re experiencing a sudden change in traffic, please ensure that the tag on your site is exactly as it appears in the ‘Network & Setting’ tab of your account, and ensure that it remains on all of the pages of your site.
  • You’re using server log data that is counting unique IP addresses. This methodology tends to overstate the number of people visiting a site, as the same Internet user’s IP can change frequently for a large variety of reasons. Quantcast will also not count bots or spiders visiting your website, whereas the IP-based methodology will.
  • Terminology varies slightly between different analytics packages. Typically, ‘Pageviews’ is counted fairly evenly across different analytics platforms (although they may appear higher when spider and crawler pageviews are being counted), so that is usually the best metric to use when comparing results. If there is a large difference between the pageviews Quantcast is reporting and the pageviews your analytics package is reporting, it’s most likely indicative of a faulty implementation.

Why isn’t my profile displaying demographic/geographies/lifestyle/business data?

Quantcast takes enormous care to provide quality, accurate information. As a result, we will not display information until is passes our rigorous standards and tests. Often this means that we won’t be able to provide demographic information for smaller sites until we have seen several weeks of traffic and occasionally a site’s audience will be too small for us to reach statistically significant conclusions. Typically, if your site attracts more than 1,000 people per month we’ll be able to generate demographic profiles, however, this varies from site to site.

What is Quantcast Measure?

Quantcast Measure is a free service that helps advertisers and agencies better understand their online audiences—whether they’re visiting your site or interacting with your media campaign or web assets. Marketers can get a better picture of customers through directly measured, detailed user demographics and audience insights at the campaign, site and conversion level.

How much does Quantcast Measure cost to marketers?

Quantcast Measure is available to marketers at no cost.

What can I do with Quantcast Measure?

You can:

  • Define your audience at all stages of the consumer funnel
  • Understand how those audiences are unique, in comparison to the general Internet population
  • View categories of sites and specific sites your audience is likely to visit
  • Identify the geographic regions of your audience
  • Improve marketing programs by understanding ‘who’ is interacting with your assets and content

Will my data be protected?

All data in Quantcast Measure can be hidden from public view, accessible only via login and password. Website owners have full control over the accessibility of their data.

How can I set my site data to private?

Comprehensive instructions are available here.

How current is Quantcast Measure data?

Data is available in 30-day windows up to the latest Saturday.

What are the best practices for tagging my online assets in Quantcast Measure?

To understand your entire online audience, tag your website, display media campaigns, paid search campaigns and social media assets. The more channels measured by Quantcast, the more accurate and comprehensive the audience insights will be.

Will I be able to deactivate an account after it’s been created?

Simply remove the Quantcast Measure pixels from your website to discontinue participation in the measurement program.

What is Quantcast Advertise?

Quantcast Advertise is Quantcast’s targeted advertising solution for advertisers and publishers, addressing a full range of advertising objectives, from awareness to sales. Learn more about Quantcast Advertise .

Who is it for?

Websites, publishers, networks, and advertisers—anyone interested in learning about web audiences and/or advertising online.

What does it do?

Quantcast Advertise enables marketers to:

  • Reach specific demographic targets
  • Find and target nuanced, unique audiences based on their own proprietary insights
  • Target heavy-spending consumers across numerous product categories, leveraging anonymous online/offline purchase data
  • Reach all of these target audiences at scale, using real-time data

Quantcast Advertise enables publishers to:

  • Directly measure and understand their audience with detailed insights into traffic, demographics, geographies, lifestyle, and business data—completely free of charge
  • Deliver effective, real-time audience targeting solutions to marketers
  • Grow revenue by capturing more brand dollars from new and existing clients

How does it work?

We start with a set of customer archetypes that best represent an audience segment. These archetypes can come from an advertiser’s first-party data, or online/offline transaction data from trusted providers. The customer archetypes act as ‘reference points’ for our targeting technology to find more consumers who look just like the archetypes.

Factoring in billions of observations, we identify the distinctive characteristics of the customer archetypes to build a unique audience model. The model is then compared to the entire online population, finding users who match those characteristics– this creates a unique audience segment that can be targeted across your inventory.

As a result, advertisers reach only the best customer prospects, even as online audiences change.

What makes this offering different?

We have the industry’s largest, real-time media consumption data set, enabling effective, real-time audience targeting at scale.

With over 100+ million web destinations measured by Quantcast, we’re able to ‘see’ all 245+ million people online in the U.S. — that’s everyone.

Our web-wide visibility means we can create nuanced audience models, find millions more customers that look like them, and effectively target those audiences at meaningful scale.

Because we process data in real time, our models are dynamically updated. This means we’re able to deliver precise targeting, even as online audiences change.

Is this re-targeting?

No. Quantcast finds new audiences that match a marketer’s defined target, extending the reach of their messaging. Retargeting extends the frequency of messaging to consumers who have already interacted with the brand.

Is Quantcast an ad network?

No. Quantcast enables publishers (including many ad networks) to transact directly with marketers, working with them to define their specific audience targets. Marketers purchase inventory against these audiences directly from the publishers.

How does Quantcast get paid?

Quantcast is paid when Quantcast Advertise data is used to deliver an ad. Publishers can work together with their Quantcast representative to determine the best client-facing pricing methods that work for them. Quantcast Measure, is free of charge.

Cookie-Corrected Audience Data: Adjusting for Cookie Deletion and Machine Usage

Why might the number of cookies and people be different?

As text files, cookies may be deleted from time to time. If the cookie for a particular website is deleted between visits, a browser is issued a new cookie upon its return. In such cases, the website will have recorded two cookies for the same individual browser and the resulting cookie count is actually larger than the number of browsers that have visited the site.

Adding complexity to this problem, while many people may use the same browser to access a website, others may use multiple browsers or machines (at home and work, for example) to access the same website. This creates a more complicated environment and is why Quantcast has developed a sophisticated model to deal with cookie deletion and multiple machine usage to produce accurate estimates of the number of people that visit web destinations.

How big an impact do cookie deletion and multiple machine use have?

The impact of cookie deletion and multiple machine use/people use per machine is not uniform and differs significantly between sites. In some cases, though, it is not unusual to see an average of two (or more) cookies for every browser over the course of a month. A variety of factors must be taken into to account to properly adjust property level translations from cookies, to people. Quantcast has issued a Cookie Corrected Audience White Paper that discusses many of the considerations we factor into our model. At a high level, these include time period of evaluation, frequency of visit of user, cookie deletion rate and machine use behavior of a specific properties audience.

How does Quantcast deal with cookie deletion, and translation to people?

At Quantcast we have access to multiple complementary data sources. We have several clickstream data sources that allow us to calibrate our cookie correction models. Quantcast Measure captures billions of media consumption events every month. What’s more, many of our Quantified sites share anonymous identifiers with us that are independent of cookies. This mass of data – with different collection processes, biases and issues — allows us to effectively “triangulate” and develop dynamic, and accurate projections. For additional insights into how our model works see our Cookie Corrected Audience White Paper.

Why has Quantcast implemented cookie correction to its Quantified site traffic data?

While cookies provide valuable learning related to traffic flow on a site, they do not provide the people-based insights that advertisers demand. We believe facilitating a view of both cookie and people-based intelligence is a critical advancement that will enable addressable advertising.

What data has changed on the site as a result of cookie correction implementation?

Prior to our cookie corrected model launch (June 23rd, 2008), Quantified sites had unique cookie data reported as their default traffic count. All Quantified sites now have people counts reported as their default traffic count, across all components of our service.

I rely on Quantcast’s cookie data for business and programming analysis, is it still available?

Absolutely. You can continue to access cookie data on the detailed Traffic Tab. Just select the “cookie” tab on the traffic chart to switch from people to cookie counts.

My position in the Quantcast Planner tool has changed – reported audience counts have decreased and resulted in a lower ranking. Why is this?

Prior to June 23rd, 2008, Quantified site traffic counts in our Quantcast Planner tool were cookie-based. Non-Quantified sites had, and continue to have, people-based traffic estimates reported. In order to provide the marketplace with the best possible evaluation tool for understanding audiences, we have migrated all quantified publisher traffic counts to a people-based default. As our Cookie Corrected Audience White Paper explains, cookie counts typically overestimate the actual number of people visiting a web property. Primarily for these reasons, your traffic counts and ranks have changed. It is important to note that our new estimates are more comprehensive, and representative of actual people-based data. This should help you in your ad sales, and revenue generation activities.

What is Quantcast Measure for Apps?

Quantcast Measure for Apps provides direct mobile app traffic and audience measurement solutions. Get accurate demographic insights based on billions of data points and machine learning. Quantcast’s free audience measurement service is designed specifically for mobile apps on iOS and Android platforms. Our service enables you to measure installs, unique visitors and visits by app version over time; see top devices, carriers, connection types and operating systems by usage; and demonstrate user loyalty to advertisers and third parties. For more information, please see the Quantcast Measure for Apps page. If you have a site as well, and login capabilities, please read about the Return Usage of Logged-in Users on our Mobile page and implement Audience Connect.

How is your offering different from other app analytics providers?

Quantcast Measure for Mobile Apps is built upon years of experience in audience measurement and is now a forerunner in offering direct mobile app demographics. The free service is a complement to analytics providers who provide in-product metrics. Quantcast focuses on describing your audience in aggregate. Unlike most app analytics providers, Quantcast’s mobile app profiles are intended to be displayed publicly, allowing third parties to view the comparative size and performance of your app. In addition, Quantcast is the only free direct measurement service across the web and mobile apps. So if you publish your content across platforms, Quantcast can show you the complete picture of your audience data in one place.

What are mobile apps?

Mobile apps (mobile applications) are software applications that run on smartphones, tablets and other mobile devices. Mobile apps are different from mobile websites. Mobile websites are browser-based sites customized for mobile devices. Quantcast offers free audience measurement services for both mobile websites (mobile web) and mobile apps.

What is the difference between mobile web and mobile apps?

Mobile apps are software applications that run on a mobile device. Quantcast Measure for Mobile Apps requires implementation of an iOS or Android SDK into their software.

Mobile websites are essentially websites viewable through the browser on your mobile device. For online properties with the Quantcast Measure tag implemented, our service automatically breaks down mobile web traffic within a separate audience report available in your Quantcast profile.

How do I qualify to use Quantcast Measure for Apps?

You must operate a mobile application to receive measurement reports. You must also integrate the Quantcast SDK (software development kit) within your mobile app.

How much do the service and the reports cost?

Nothing. Quantcast Measure for Mobile Apps is completely free.

What is the minimum traffic needed for reports to populate for mobile app measurement?

Once integration is complete, any app – regardless of traffic – can get Quantcast Measure for Mobile Apps reports. Since our demographic insights rely on machine learning and data modeling, we currently provide insights for medium to large mobile apps. The minimum threshold continues to lower with time as we collect more data.

How do I implement the SDK?

Please see our Implementation Guide for instructions on how to implement Quantcast’s iOS and Android SDKs.

I read the Implementation Guide and I still don’t understand how to add the Quantcast SDK. Help?

If you have any questions on the implementation process, please email us at mobilesupport@quantcast.com. A team member from Customer Support will respond as soon as possible.

Will adding the SDK slow down my app or affect performance?

No. The Quantcast iOS SDK and Android SDK have been designed to have minimal impact on size, speed and device battery life.

How long does it take to add the code to my mobile app?

An experienced app developer should be able to implement the iOS SDK and Android SDK within a few hours.

How soon after implementing the Quantcast SDK will I get reports?

Reports will be visible in your Quantcast profile page approximately 1-2 days after we begin receiving data. You will need to make sure that the SDK is properly implemented and the Terms of Service have been accepted.

Where will the traffic charts populate?

Traffic charts will be available in your Quantcast Measure profile, once the Quantcast iOS/Android SDK has been implemented and we receive data from your app.

Do I need to create a network to view the mobile app data reports?

Yes, when signing up for an app, you must choose a required “Network” field.

Do traffic numbers aggregate to network monthly numbers?

The number of Uniques from your mobile app contribute to Network traffic uniques. The People metric, which is an estimate of unduplicated usage across devices, is currently available for Web properties only. A Web property represents the combined browser-based traffic of online and mobile Web usage.

Do mobile apps fire a pixel? Does it work the same way?

Conceptually it’s similar, but it works differently. On the web, you access a website through a browser so the Quantcast Measure pixel fires at the point our page loads. With mobile apps, there is no browser and each app is an individual piece of software embedded in the device. To collect event firings, an app developer must download an OS-compatible SDK and embed our code in their app.

What is the API Key?

The API Key is used as a reporting entity for our mobile app measurement service. Each app name is assigned an API Key, however, the same API Key may be used across multiple apps (i.e. AppName Free / AppName Paid) and/or app platforms (i.e. iOS / Android). For all apps under each API Key, Quantcast will report the aggregate audience, and identify/report on the individual app versions.

What should I do with my API Key?

The API Key is a long numerical code that must be pasted into the SDK – please consult the Quantcast Measure for Mobile Apps Implementation Guide for instructions.

I want to deliver targeted ads to my app users – is this possible with Quantcast Measure for Apps?

No. Quantcast does not currently offer targeted advertising services for mobile apps.

What do I do with the privacy requirement?

Please refer to the Integration Guide for iOS or the Integration Guide for Android.

Where do I find my API Key?

Make sure you’ve signed up for a Quantcast account, then log in. On the right-hand side of the first page you land on – the Dashboard page – is an “Add Mobile App” button. Once you’ve registered the mobile app name you’d like to measure, you may download the SDK and find your mobile app API Key in the accompanying text file.

After integrating the Quantcast SDK, my app immediately connects to Quantcast’s servers after starting up – even before a user has a chance to generate events. Why is this happening?

The startup network activity is needed for the SDK to actively download the most up-to-date privacy policy. The privacy policy enables Quantcast to remotely tell the SDK to stop collecting certain types of information, if needed. When obtaining the latest privacy policy, no data or device information is uploaded to Quantcast, other than:

  1. The API Key of your app
  2. Which SDK version the request is being made from
  3. What country (i.e. U.S., Canada, Germany, etc.) the device is currently in. This is indicated by the cellular data connection properties – not GPS.

Visibility into these three properties enable us to craft a privacy policy that is relevant to the national laws associated with the location that the device is currently in.

For Android, can I place all the relevant beginSession and lifecycle callback code inside of an Application instance?

The Quantcast Android SDK is not set up to monitor Application objects, instead it monitors Activity objects. As a result, the SDK tracks how many Activities with the same API Key are currently active, ensuring that we only count one Visit if two or more Activities from the same app are running.

What constitutes a Visit?

If the Quantcast SDK is implemented as prescribed in the integration guides, a new Visit is generated under the following circumstances:

  1. The app is launched. For iOS, this is indicated when the app’s UIApplication delegate receives the
    application:didFinishLaunchingWithOptions:
    message. For Android, this is indicated by the number of running Activities going from 0 to 1.
  2. The app returns to the UI foreground after being in the UI background for 30 minutes or more and the app’s process was not terminated during that time.
  3. The app’s user identifier is changed in some manner. This scenario only applies if you are reporting user identifiers for cross-platform measurement.

If my app generates events while it is in the background, does this count as an additional Visit?

No – it is not counted as an additional Visit. In this scenario, the visit would be attributed to the last Visit that occurred when the app was last active.

Does Quantcast Measure for Apps support app widgets on Android?

Since an app widget is a separate process from the parent app (if it has one), it would be treated as it is own “app” and thus have it’s own visit tracking. We have not differentiated measurement of widgets from normal applications.

I use Phonegap to write my apps. Does Quantcast have a PhoneGap Plugin?

Yes. Quantcast supports PhoneGap. Learn more on our GitHub page.

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