HTML5 Specs

HTML5 Creative Unit Asset Max File Size File Type Max file size of shared libraries
HTML5 Standard Banner 80 KB HTML5, JPG, PNG, GIF 100 KB
HTML5 Rich Media Initial load 100 KB HTML5, JPG, PNG, GIF 100KB
Backup Image 40KB JPG, PNG, GIF  
Polite Load / Panel 2.2 MB HTML5  
User Initiated Load / Expansion 10 MB HTML5  
Video (optional) 10 MB MP4, OGG, WebM  
HTML5 Rich Mobile Initial load 80KB HTML5, JPG, PNG, GIF 100KB
Backup Image 40KB JPG, PNG, GIF  
Polite Load / Panel 100KB HTML5  
User Initiated Load / Expansion 2 MB HTML5  
Video (optional) 2 MB MP4, OGG, WebM  

HTML5 Ad Specifications Notes

  • Allure Media are unable to host HTML5 creative at this time. Creative must be hosted by approved HTML5 vendors.
  • A HTML5 Standard banner is defined as a basic banner with single click through with contained behaviour. Anything beyond this is considered Rich HTML5.
  • Max File Size includes all ad assets such as HTML, CSS, JS & images. Shared libraries that are hosted by approved 3rd Party Vendors are not included in the Max File Size. Contact your vendor representative for a list of supported libraries.
  • A backup image is required for unsupported environments.

Approved HTML5 Ad host vendors

  • Google DoubleClick (Please supply Internal Redirect Tag from Doubleclick)
  • Sizmek

HTML5 Recommendations

  • It's recommended that additional content such as CSS, JS, images, etc, be politely loaded, including shared libraries.
  • Use CSS for animations where possible.
  • Max File Size includes all ad assets such as HTML, CSS, JS & images. Shared libraries that are hosted by approved 3rd Party Vendors are not included in the Max File Size. Contact your vendor representative for a list of supported libraries.
  • To reduce file sizes, please consider using:
    • HTML, JS & CSS code minifiers.
    • Sprites, SVG or compressing images using 'Save for Web'.
    • Web fonts. Consider only loading the characters that the creative is using.