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Digital Ad Specs

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Accepted Creative Formats


Discount Disclosure

The banner must clearly specify in the ad that "Terms & Conditions Apply” if a promotion or discount is offered.

Review Policy

Submission Guidelines

All creative must be submitted five business days prior to campaign launch to your Catholic Audience Network sales contact. Creative placements must conform to specifications outlined herein. Elements not meeting specifications will be returned for revision, which may delay the launch date.

Banner Sizes

Banner sizes vary from one site to another. All sites use one or more of the following sizes. You'll need an ad for each of the six sizes below to ensure your ad can appear on all sites in the Network.
DFA tag
mp4 (for video ads)

Maximum File Size

For image files (GIF, JPG, PNG), we recommend 50Kbytes per image.
aximum allowed size for image files and flash files is 150 kB.

Browser Compatibility

The Advertiser is responsible for ensuring that all ads submitted have been tested and optimized for all internet browsers, operating systems and mobile devices.


Allowed. For gif animated banners, a 5 second delay between each frame is required. Unlimited looping cannot exceed 30 seconds.


Only permitted on click or mouse hover.
Non user-initiated audio is NOT permitted.
Any audio must include an easily accessible and clearly labelled "Play"/”On” and "Pause"/”Off”/”Mute” controls.
Length: 30 seconds maximum
Catholic Audience Network reserves the right to reject ads prior to or after flight start date that include audio that results in a negative user experience.

Third-party tags

We accept Doubleclick DFA/DCM tags
Third-party tags must be live at the time of submission to enable testing before launch.
Ad Ops must be notified each time a new creative is uploaded to a third-party vendor tag as all ads require approval by the Catholic Audience Network Editorial Board and by each web property before going live.
In order for Catholic Audience Network to track clicks, the Advertiser needs to include our ad server's click macro, which is $$CLICK_REDIRECT_URL$$
This click macro should be inserted prior to the banner’s reference (href) link.  An example follows:


Advertisements cannot mislead the user. For example, they may not mimic or resemble Windows/Mac/Unix dialogue boxes, error messages, simulate interactivity (i.e. drop down menus, search boxes, etc.) without that functionality actually existing.
Actual functional form elements (such as selection drop down lists, radio buttons etc.) within ad creative are permitted as long as no personally identified information (PII) is collected unless there is a link to a privacy policy or Terms & Conditions in the ad itself in which case such PII may be collected.
Actual functional form elements such as drop down lists must remain within the permitted footprint dimensions of the ad unit,
e.g. drop-down lists should not extend beyond the footprint of the ad unit.

Native Ads

If ad content and design resembles site content and design, the ad banner must clearly disclose that it is an "Advertisement."

Click thru URL

The Advertiser must supply click through URL address with each creative file.
All click throughs must open in a new browser window or tab.

Accessibility Recommendations

CAN actively encourages all advertisers to supply or serve creative content that complies to the
CAN actively encourages advertisers using Flash-based creatives to switch on the accessibility functionality in Flash.
In line with accessibility standards, we recommend that content should not be provided which visibly or purposely flickers between 3 and 49 Hz (i.e. flashes more than twice per second) onto a page.
All ads are subject to review by the Catholic Audience Network Editorial Board prior to the start of the campaign.
Catholic Audience Network reserves the right to preserve the user experience of its member sites and web properties, and reserves the right to remove any advertisement on any site at any time during a campaign that is, in its judgment or in the judgment of one or more of its member sites, negatively impacting user experience and/or offensive to Catholic faith and morals.  The Advertiser will be notified via email in the event of any such removal.
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