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About Lightbox ads specifications

Lightbox ads allow you to show sophisticated, interactive ads across the Google Display Network.

This article describes the specifications for Lightbox ads created using AdWords templates. If you want to learn more about these ads, read About Lightbox ads. If you’re ready to jump into using Lightbox ads, see Create a Lightbox ad.

Basic assets

Here are the basic asset specifications for Lightbox ads created with AdWords templates:

Logo

The logo is the image that appears in the header of the ad, and will be used in both invitation and expanded states. For best results, use a transparent image, such as a transparent PNG or GIF file, that is optimised for good contrast on a semi-transparent background of 80% opacity black or white.

  • PNG, JPG or static GIF file
  • 200KB maximum file size
  • 50 x 50 pixel minimum dimensions

Logo click URL

When the expanded logo image is clicked, the user is taken to this URL. The URL must match the domain of the Display URL. The Logo click URL is compatible with Upgraded URLs and tracking templates. Learn more about Upgraded URLs.

Message

A description to use in invitation and expanded states. Use the ad preview to see how the message rotates and appears across devices. The message's second and third line, which are optional, scroll every 8 seconds as the ad animates.

  • Minimum of one line, maximum of three lines
  • No character limit, but use fewer than 35 characters per line for best visibility

Call-to-action button

The description for the call-to-action button in the expanded state. Unless the ad uses custom invites (described below), AdWords automatically generates the button text.

Call-to-action Final URL

When the call-to-action button image is clicked, the user is taken to this URL. The URL must match the domain of the display URL The URL is compatible with Upgraded URLs and tracking templates. Learn more about Upgraded URLs.

Custom invitation images (optional)

These custom invites can use files in all Interactive Advertising Bureau sizes. Assets are required in three sizes – 728 x 90, 160 x 600 and 300 x 250 – but 320 x 50 is also commonly used.
  • Static banners or GIFs (Flash and HTML5 not supported)
  • 72 PPI minimum resolution
  • 200 KB maximum

Custom invites require that you include either call-to-action text or the expand icon  (no variations or substitutions are allowed).

For text calls-to-action, you must include a Hover to Expand option for computers and Tap to Expand option for mobile devices. The ad’s header call-to-action is the description for the call-to-action button in the expanded state. The call-to-action includes a maximum of 20 characters, or 10 characters for double-width character languages (such as Chinese, Japanese or Korean).

Custom header images

Use a custom header image to represent your product category, brand or business. Eligible images can be three sizes – 350x75, 900x125 and 1200x150. All sizes are optional.

Final URL

The Final URL is the web address of your landing page, where people go when they click your ad. The URL is compatible with Upgraded URLs and tracking templates (including custom parameters). Learn more about Upgraded URLs.

Image assets

Images will appear both in the image gallery and in the thumbnails. You can build up to 10 image galleries with a maximum of 10 images in each gallery.

Image specifications

File format: PNG, JPG or GIF

File size: 200KB maximum file size

Image Dimension: 1024x1050 maximum

Resolution: 200+ PPI for high-resolution images (Export the image at twice the pixel width and height for images intended to appear on Retina devices.)

Aspect ratio: No mandatory aspect ratio, but 16:9 fits on a wide variety of screen sizes and orientations.

Image text

Descriptive captions, text, and calls to action (CTA) may be added to every image. HREF exit links must conform to display domain policies.

Maximum length for single-byte character set (SBCS) languages (such as English, French, Spanish)

  • Title: 40 characters
  • Text: 100 characters
  • CTA: 20 characters

Maximum length for double-byte character set (DBCS) languages (such as Chinese, Japanese, Korean)

  • Title: 25 characters
  • Text: 75 characters
  • CTA: 15 characters

Video assets

You can add videos to your ad by searching YouTube, uploading from your computer or picking from recently used videos. Each video requires its own card.

YouTube videos

  • Recommended maximum length of four minutes
  • YouTube annotations and info cards will be visible and actionable on supported browsers

Non-YouTube videos

  • Video Codec: H.264, MPEG-2 or MPEG-4 preferred
  • Audio Codec: MP3 or AAC preferred
  • Only accepted for Lightbox ads made with AdWords templates

Auto-play

If they have videos, Lightbox ads made with AdWords templates will start playing the first video automatically (without sound) when someone clicks to expand the ad on a device that supports video autoplay (primarily desktop and some tablets). Videos will still be click-to-play on expansion on mobile devices. The first video will auto-play and additional videos will auto-play when selected. If the user switches back to a previous video, that previous video will remain paused until clicked.

Auto-preview

Lightbox ads with video will auto-preview in-banner and will play without sound on compatible devices (primarily computers and some tablets).

Video cover images (optional)

The video cover image is an alternative high-resolution image to show before the video is played and in the background while the video is playing. If you don’t upload a video cover image, the ad will use the video's default thumbnail image, which may be low-resolution, if the video doesn’t have high enough resolution. Video cover images should have a play button, so users know that they are playable.

  • PNG, JPG or GIF
  • 200 KB maximum
  • 200+ PPI for high-resolution images
    (Note: To have your images appear best on devices with Retina screens, upload an image with twice the pixel width and height.)
  • No mandatory aspect ratio, but 16:9 fits on a wide variety of screen sizes and orientations

Map assets

This feature is available only if you have a location extension associated with the selected campaign. Your starting address is what the map will centre on, and is typically your business location. Find out more about showing local business info with location extensions.

Product assets

Link your Google Merchant Center feed to your engagement campaign to include your marketing feed in your Lightbox ad.

Style options

Theme: Choose a dark or light visual theme.

Accent colour: Use the colour picker or enter a colour hex code to select the accent colour of branded elements.

Background colour: Use the colour picker or enter a colour hex code to select the background colour.

Background fade opacity: Select 0-100% for the opacity of the background colour fading with the visual theme, where 0% is completely transparent and 100% is completely opaque.

Google font name: Choose a font from google.com/fonts that looks appropriate for both computer and mobile size previews. Note that not all the fonts available on google.com/fonts are available for use in the Ad gallery.

Remarketing options for Lightbox ads

You can target Lightbox ads to existing remarketing lists or use tagless Storyboarding remarketing. For performance reasons, you can’t use remarketing pixels to create customer lists or collect information from impressions of your Lightbox ads.

Storyboarding lists, which include people who’ve engaged with your ads, are automatically generated for each campaign that includes Lightbox ads. The “List size” column of your account’s reporting table typically shows data after 48 hours.

Storyboarding allows advertisers to create a list of people who engaged with their Lightbox ads. That list, which you can find on the "Audiences" page, can be used for a Lightbox remarketing campaign. Learn more about our remarketing policy.

Note

To review information about DoubleClick Studio, go here.

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