This can happen because the file size (of the image) is too large. Incorrect file sizes can also cause sites and apps to load very slowly.
Below is a list of recommended image file sizes. You can also read more about editing and resizing images in our Education Resources article on this topic .
Image Dimensions in EventsAir
Contact Photos – Square | 600x600 pixels |
Contact Photos – Passport | 600x800 pixels |
Mobile App – Icon | 144x144 pixels |
Mobile App – Splash Image | 640x960 pixels |
Mobile App – Header | 1440 pixels wide (any height is accepted) |
Mobile App – Background Image | 1440x2880 pixels |
Organizer App – Icon | 144x144 pixels |
Organizer App – Splash Image | 640x960 pixels |
Organizer App – Header | 1440 pixels wide (any height is accepted) |
Organizer App – Background Image | 1440x2880 pixels |
Event website – Header & Footer | 1200 pixels wide (any height is accepted) |
Interactive Sites – Header & Footer | 1000 pixels wide (any height is accepted) |
Interactive Sites– Hotel Images | 371x255 pixels |
Email - Header & Footer | 640 pixels wide (any height is accepted) |
App Store Apps – Header & Footer | 1000px wide (any height is accepted) |
Image Dimensions in OnAIR
Remote Attendee Portal |
|
Session Thumbnail | 1920x1080 pixels |
OnAIR 2D Mode |
|
Portal Sponsor Images | 870x155 pixels |
Sign In Screen | 890x940 pixels |
Header Bar Image | 360x50 pixels |
Gamification Icon | 144x144 pixels |
Lower Thirds Background Images | 132x1280 pixels excluding logo (transparency allowed) |
Lower Thirds Logo | 144x144 pixels |
OnAIR 3D Mode |
|
Poster Lobby & Exhibition Hall Background | 1920x1920 pixels |
Exhibition Hall Panorama Image | 3840x1920 pixels |
Standard Exhibition Stand | 940x650 pixels |
Large Exhibition Stand | 1400x650 pixels |