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Ad Format Guidelines

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Ad Content Guidelines

The contents of your ads and your website are just as important as how you format your ads. Check out the Ad Content Guidelines to make sure your images and messaging comply.

Web Ads

Your web ads must have at least one image in the dimensions specified below, along with a destination URL.

Formatting Your Web Ads

Accepted file formats: JPG, GIF, or HTML5

File size: Maximum 150KB

Most popular ad sizes: The more ad sizes you upload, the more inventory we'll be able to buy for you. At minimum, we recommend the following popular ad sizes:

  • Medium rectangle: 300×250

  • Leaderboard: 728×90

  • Wide skyscraper: 160×600

  • Large rectangle: 300x600

  • Mobile leaderboard: 320×50

  • Billboard: 970x250

Additional ad sizes: AdRoll also supports these additional ad sizes. Since we are only able to serve an ad if the available ad space matches, performance of less popular ad sizes may not be as high.

  • Banner: 468×60

  • Square: 250×250

  • Small square: 200×200

  • Rectangle: 336×280

  • Skyscraper: 120×600

  • Rectangle: 180×150  

  • Vertical banner: 120×240

  • Button: 125×125

  • Button 2: 120x60

  • Additional ad sizes: 300x100 and 645x60

Additional Requirements

  • Animation: Animated ads are restricted to a maximum of 30 seconds (at a 15-20 fps frame rate), after which point automated animations must come to a complete stop. You are permitted to give the viewer the option to restart animation.

  • Border: Any ads featuring a white or black background are required to have a 1 px border of a distinguishing color around the perimeter of the ad in order to separate it from page content.

  • Destination URL:

    • Web banners are not permitted to use redirecting URLs. Track campaign analytics with UTM tracking codes instead.

    • Banners cannot link directly into a payment processor (e.g., PayPal). Visitors must be able to review terms of the offer prior to entering purchasing/sign-up flows

Native Ads

  • Ad Sizes: 600x500, 600x600, 600x315
  • Ad Requirements:
    • No text in your ad image
    • Your brand name
    • A catchy title (90 characters max)
    • A catchy description (140 characters max)


Facebook Ads

To create ads for your Facebook Websites campaign, you'll need an image, title and body text, and a destination URL. You can run ads on multiple placements, including Right Hand Column, News Feed, Mobile News Feed, and Facebook Audience Network. Learn more about Facebook placements.

Note: These recommendations ensures a high-quality image with clear text across all placements. Using more text than the recommendations may result in the copy being cut-off or truncated. 

Formatting your Facebook Image

File Format: JPEG, GIF (static), PNG

File size: Maximum 8MB

Image Size: 600x315 (rendered as 254x133)

Title (required): 25 characters recommended, including spaces

Text (required): 90 characters recommended, including spaces

Link Description (optional): 200 characters recommended, including spaces

Display link: This is how you format the URL that will appear on your ad. It links to the website URL that you submit when you set up your profile. Check Settings > Advertiser Profiles to make sure that your website URL is specified correctly.

Ad Image Text Limitation: Facebook requires that only 20% or less of an ad image is text, as images with minimal text are more engaging. Text includes books, posters, text-printed apparel, etc. Check your image's text ratio.

Additional requirements

  • Animated images aren't permitted on Facebook

Ad text requirements

  • No word can be longer than 20 characters
  • The following characters aren't allowed: @ > # $ % ^ &* ( ) <
  • Excessive capitalization is not permitted
    • OK: Reach your customers across devices, browsers, and apps.
    • Not OK: Reach your CUSTOMERS across DEVICES, BROWSERS, and APPS.

Destination URL

  • Must redirect to external (non-Facebook) link


Anatomy of a Facebook Right Hand Column Ad


Anatomy of a Facebook News Feed Ad


Anatomy of a Mobile News Feed Ad


Creative Specifications and Best Practices


  • Image ratio is 1:1 : must be a square

  • Must be a photograph/picture

  • Dimensions: 600 x 600

  • File size: 10MB

  • File type: .jpg, .png

  • Text: 20% or less of image, includes logo

  • No borders or letterboxing

Caption and Copy

  • Recommended caption length: 125 characters (max. 300 characters)

  • Tags must point to a real account

  • You can select your CTA from a set list:

    • Shop Now
    • Learn More
    • Book Now
    • Contact Us
    • Sign Up
    • Watch More
    • Download
    • None

Destination URLs

  • Set the corresponding destination URL where you want the user to go when they tap the CTA

Other Specifications

  • All existing Facebook ad policies apply:

    • Mentioning "Facebook:" must be text and spelled correctly, and you can't use the Facebook logo

    • No promoting illegal activities

      • Alcohol / gambling are allowed but you must use​​ age targeting for appropriate ages

      • No selling illegal drugs, tobacco, unsafe supplements, weapons, or adult products

    • Can't include: copyright / trademark infringement, adult content, shocking / sensational, personal attributes, misleading content, controversial political issues, auto-play content, non-functional landing, spyware, bad grammar, images with non-existent functionality, before and after images

    • Must haves: relevant content, accurate representation of product / service / company, relevant landing page

    • Can’t use targeting to discriminate

    • Data restrictions: no sharing of data to any broker / vendor etc, only use aggregated and anonymized data, don’t build user profiles

Carousel Ads (Managed accounts only)

Ad requirements:

  • Caption: Required, 300 characters max
  • One destination URL for all images in the ad
  • 3-5 ad images
  • CTA button text: select a CTA from the set list for static Instagram ads (above)

Individual image requirements:

  • Ad image: 600x600 or 1200x1200
  • Max file size: 8MB
  • No caption or additional destination URL for the child ads. Your carousel ad has one destination URL and one CTA shared by all images in the carousel.

Best Practices

Execution is crucial. The Instagram community creates, curates, and appreciates high quality content – your ads should be nothing less!

To make sure our advertisers are set up for success, we recommend the following best practices:

  • Important elements for high quality pictures

    • Thoughtful composition (framing and balance)

    • Use of symmetry or asymmetry

    • Lighting

  • Creative incorporation of your brand

    • We recommend incorporating your brand into your photo if possible. Whether it’s including a logo, an iconic brand element, or a brand color, your branding should look and feel natural. Without a logo, the ad will just be a pretty picture.

      • Highly recommended for prospecting campaigns. Branding is necessary for ad recall and brand linkage.

  • Ad concept

    • Similar to any other type of digital campaign, we recommend conceptual consistency. If the campaign has 4 images, the 4 photos should look like they belong in a series together.


Anatomy of an AdRoll Email


Subject: We recommend 90 characters, including spaces

Preview text: Limit of 140 characters, including spaces

Logo: We recommend a width no larger than 200 px, or include your logo within your image and leave this field empty.

Image: We recommend 600x315. Maximum width requirement is 600 px, and there is no height requirement.

Headline: We recommend 40 characters, including spaces. Choice in font style, color, and size

Body Text: We recommend 90 characters, including spaces. Choice in font style, color, and size

CTA Button: We recommend 30 characters, including spaces. Choice in font style, color, size, and background color


Flash Guidelines

Flash ads are going out of style! Learn why here. 

Animation length

Animated ads are restricted to a maximum of 30 seconds (at a 15-20 fps frame rate), after which point they must remain static. These ads must also comply with the other animation policies.


The clickTAG is the parameter in Flash banner ads that defines the destination URL. When someone clicks your ad, our system replaces clickTAG with the URL specified in our platform.

In the clickTAG variable, click must be spelled in lowercase and TAG must be spelled in uppercase. clickTAG must show exactly as it appears with no space between click and TAG. Here are some code samples:

ActionScript 2.0

on(release) {
    if (_level0.clickTAG.substr(0,4) == "http") {
        getURL(_level0.clickTAG, "_blank");

ActionScript 3.0

    function(event: MouseEvent) : void { URLRequest( root.loaderInfo.parameters.clickTAG), "_blank");

Replace buttonOrObject with the name of button that will receive the click.

Note: For AS2 or AS3, it’s not necessary to specify the destination URL for the ad anywhere in this code. This is taken care of through the usage of clickTAG. We recommend uploading the ad into your account and making sure the ad is behaving correctly, allowing time for any necessary changes.

File size, content source and version info

  • Flash ads must be smaller than 45KB

  • Flash ads must be compatible with Flash versions 4-10

  • Flash ads must be compiled from either ActionScript 2.0 or ActionScript 3.0 sources

  • Content displayed must be contained within the ad file



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