Skip to content

Digital Specs & Guidelines

Looking for a comprehensive breakdown of specs you'll need to fulfill your digital advertising with us? You're here.

Display Ads

Accepted formats jpg, gif, png, html5, Most 3rd Party Tags
Maximum File Size for JPG, GIF, PNG40kb

Maximum File Size for HTML5200kb


  • Top Leaderboard: 728×90 Example
  • Wide Leaderboard: 970×90 Example
  • Medium Rectangle: 300×250 Example
  • Half-Page: 300×600

Dimensions for mobile

  • Mobile Leaderboard: 320×50
  • Mobile Leaderboard Extended: 320×100
  • Medium Rectangle: 300×250

HTML5 Requirements

  • Size Limit: 200KB
  • Max Polite Download: 2.2MB
  • Video/Audio: On user click
  • Border: 1px
  • Maximum Animation length: 15 seconds


Access to third party metrics
To ensure accurate and timely billing. Agency must grant access for applicable third-party reporting to on or before the start of each placement. If such access is not available, provide daily reports for the first three days of the placement and weekly placement-level activity reports to Bobit thereafter.

If the access provided to Bobbit is not granted or inaccessible, or if Agency fails to deliver the reports required above, Bobit may choose to bill off of its ad server or cancel the campaign with no penalty to Bobit or its partners.

Rich Media

Accepted formats jpg, gif, png
Maximum File Size for Initial Load40kb

Maximum File Size for Expanded200kb

Pushup Leaderboard
Banner Size Option 1

  • Dimensions: 728×90
  • Max File Size: 40KB

Banner Size Option 2

  • Dimensions: 970×90 (IAB Super Leaderboard)
  • Max File Size: 40KB

Pushdown Leaderboard

  • Dimensions: 970×66
  • Max File Size: 40KB
  • Include “Click to Expand” CTA


  • Dimensions: 970×418
  • Max File Size: 100KB
  • Do not include close button (publication will add)


  • Dimensions: 640×480
  • Dimensions for mobile: 320×416 or 300×250
  • Max file size: 100KB
  • Maximum animation length: 15 seconds

The ad will be center-aligned on the page.

Site Skin

  • Dimensions: 1890×1200
  • File Size: 200KB
  • File Type: Static Image (PNG Only)
  • The ad space is 300×1200 on either side. Please include transparent space in the middle

Site skin only shown on desktop. Not a mobile responsive product.

Logo for Sponsored Channel

  • Dimensions: 100×60
  • Max file size: 40KB

Page Peel
Dogear (Graphic ‘Curl’ in corner before rolling over page peel)

  • Dimensions: 100×100 – Only top-right area is visible
  • File format: GIF or JPG only, no animated GIF
  • Max file size: 40KB

Large Image

  • Dimensions: 500×500 – Only top-right area is visible
  • File format: GIF or JPG only, no animated GIF
  • Max file size:100KB

For all GIF or JPG page peels

  • Color Mode: RGB
  • Resolution: 72 dpi
  • Optimization: Standard Optimization (no progressive scan)

Note: Third-party ad tags will not work with rich media as a creative. Please provide images with impression and click trackers, if you’d like to have third-party metrics.


Site-Served Outstream Video

  • Length:  0:30 max
  • Audio: Mute on play, user must enable sound
  • Video Format: MP4/H.264
  • Dimensions: 1280 x 720 min.
  • Aspect Ratio: 16:9
  • Video Bitrate: 1500 kbps min.
  • Audio Bitrate: 128 kbps min.
  • Frame Rate: 29.97fps (NTSC)
  • Video Codec: H264
  • Audio Codec: AAC/MP3/MP4
  • Field Order: None, progressive scan only
  • Max File Size: 100 MB
  • Sample Rate: 44.1 kHz
  • Bus Mode: Stereo

Featured Video

  • Format: 16:9 Wide (preferred)
  • Dimensions: 640 x 360 pixels or larger
  • Length: 7 minutes maximum
  • File type: MOV, MP4, AVI, or embed code from a video host such as YouTube


  • Length: 0:30 max
  • Audio: Mute on play, user must enable sound
  • VAST Versions: 2.0 and 3.0
  • Video Format: MP4/H.264
  • Desktop Dimensions: 1280×720 @ 1500kbps or 640×360 @ 600kbps
  • Mobile Dimensions: 1024×576 @ 1500kbps or 320×180 @ 450kbps
  • Aspect Ratio: 16:9
  • Audio Bitrate: 128 kbps min.
  • Frame Rate: 29.97fps (NTSC)
  • Audio Codec: AAC/MP3/MP4
  • Field Order: None, progressive scan only
  • Max Wrappers: 5


Accepted formats jpg, gif, png Accepted formats
Maximum File Size for Initial Load 40kb


  • Top Leaderboard: 728×90 Example
  • Inline Banner: 468×60 Example
  • Large Inline Banner: 468×120 Example
  • Skyscraper: 160×600 Example
  • Half Skyscraper: 160×300
  • Rectangle: 180×150

Reporting for e-Newsletter Ads

  • We accept third-party click trackers (redirects)
  • Ad server and Email Service Provider reporting available upon request
  • 1×1 trackers, JavaScript tags, and iframes are not accepted

Inline Text Ad

  • Thumbnail Image Dimensions: 300×250
  • Logo Image Dimensions: 75×40 or larger
  • Headline: 40 characters max
  • Teaser Text: 300 characters max
  • CTA Text: 30 characters max

Top of Content Text Ad

  • Logo Image Dimensions: 75×40 or larger
  • Headline: 40 characters max
  • Teaser Text: 90 characters max
  • CTA Text: 30 characters max

Text Ad Version 2
These specifications apply only to Police K-9, Automotive Fleet Sustatinability, and Automotive Fleet Fleet Forward newsletters.

  • Headline: 80 character max
  • Body: 160 character max
  • CTA: 30
  • Image: 540×220 (Images with a different ratio will be centered with a max height of 220px)


  • Maximum Animation Length: 15 seconds
  • Max Loops: 4
  • NOTE: Animated GIFs are not supported in some email readers (MS Outlook). Those users will only see the FIRST FRAME of the animated GIF banner. We recommend that you design your first frame to show everything that you’d want them to see on your banner. Set the first frame to display for 0ms so the animation will appear correctly.


Accepted formats jpg, gif, png
Maximum File Size for Initial Load 150kb


  • Inline rectangle: 300×250
  • Leaderboard: 728×90

Optional Sizes

  • Mobile: 320×50
  • Wide skyscraper: 160×600
  • Half Page: 300×600
  • Banner: 468×60

For Animated Ads

  • File type: GIF
  • Animation length must be 30 seconds or shorter
  • Animations can be looped, but animations must stop before 30 seconds
  • Must be slower than 5 FPS
  • Max file size: 150 kb

Note that Google has policies limiting the content that can be served on their display network. These policies may differ from banners running on Bobit-owned sites, so please review them carefully before creating and submitting ads for remarketing.
Google’s Advertising Policies

Email Deployments

Delivery Checklist

  • HTML File
  • Plain Text File (Optional)
  • Subject Line (50 characters max)
  • Preheader Text (50 characters max)


  • DO use inline CSS styles instead of classes, except for media queries
  • DO place all content between the <body> and </body> tags
  • DO use absolute URLs if images are hosted on your server
  • DON’T use background images
  • DON’T include any embedded Video, Flash or JavaScript
  • DON’T use coding shortcuts such as compound style declarations, shorthand code or CSS layout properties for positioning


  • Recommended email width: 600 px
  • Maximum email width: 800 px
  • All images should be saved as RGB at 72 dpi.
  • Host images on your server (preferred) or send in a zip file
  • Images must be saved as JPG, GIF or PNG (no BMP or TIFF)
  • Total file size including all graphics must be less than 250KB
  • Emails designed as one large image are not accepted


  • All materials are due at least 10 days prior to the scheduled deployment date
  • Campaigns with late materials or significant design changes may need to be rescheduled


  • To avoid being marked as SPAM avoid using all caps, special characters or misleading elements in your Subject Line
  • Your email should have a single focus like increasing brand awareness or driving registrations
  • Include a clear call-to-action near the top
  • Point links to specific landing pages, not just your homepage
  • Rely on concise, compelling text with prominent links rather than extensive text and graphics

Design Tips

  • Use responsive design so that your email will automatically adapt to all screen sizes and mobile devices
  • Create a single-column layout and place important information near the top
  • Buttons should be large and clickable
  • >Be aware that some email recipients may block images by default
  • Make your text easy to read, at least 14 points
  • Choose cross-platform fonts such as Arial, Helvetica or Sans Serif
  • Define alt tags and include links on all images

Terms & Conditions
Bobit reserves the right to reject materials or require changes for emails that don’t meet the technical requirements or design standards. Any campaigns that don’t adhere to the standard timeline may be delayed, which Bobit assumes no liability.