Precautions
Precautions and prohibitions for Ad Insertion
Information Icons
Rules for Using Characters and Symbols
 Ad Insertion Rules
Required/
Optional
Displaying
Ad
Description
Required
Dynamic
Video
Create image of the size either (1) or (2).
(1)
Aspect ratio
16:9
Minimum pixel size
(width x length)
640pixel × 360pixel
File size
Within 200MB
(2)
Aspect ratio
1:1
Minimum pixel size
(width x length)
600pixel x 600pixel
File size
Within 200MB
Cautions
The file will be compressed to applicable size for ad deliveries.
Video format (extension)
MP4、MOV
Audio codec
AAC LC
Video codec
H.264、H.265
Minimum video bit rate
(recommended value)
1Mbps or more
Minimum audio bit rate
(recommended value)
128 kbps or more
*If audio bit rate is 0kbps, the video is recognized as without audio.
Play time
From 5 sec. (Min.) to 60 sec. (Max.)
Required
Dynamic 
Title
Number of characters 
Up to 20 characters
Supported character types, space type and Symbol types
See following page.

Supported character types, space type and Symbol types 
*Up to two symbols of the same type can be used in the title/description.
Required
Static
Description
Number of characters 
Up to 90 characters
Supported character types, space type and Symbol types
See following page.

Supported character types, space type and Symbol types
*Up to two symbols of the same type can be used in the title/description.
We recommend that you use the following "Final URL" for the link settings.
When using "Final URL" (Recommended)
Required
Dynamic
Final URL
Number of characters
Up to 1024 characters
Supported characters
Single byte alphanumeric characters (RFC3986 and {}) * [] cannot be used.
Cautions
URLs beginning with a “.” (dot) cannot be used. You cannot register URLs deviating to RFC3986, such as URLs including Japanese characters.
-
Dynamic
Display URL
Automatically generated from the set final URL.
Optional 
Dynamic
Smartphone final URL
Number of characters
Up to 1024 characters
Supported characters
Single byte alphanumeric characters (RFC3986 and {}) * [] cannot be used.
Cautions
URLs beginning with a “.” (dot) cannot be used.
You cannot register URLs deviating to RFC3986, such as URLs including Japanese characters.
Note
Don't use deep linking. It may not work correctly.
Optional 
Dynamic
Tracking URL
Number of characters
Up to 1024 characters
Supported characters
Single byte alphanumeric characters (RFC3986 and {}) * [] cannot be used.
Cautions
URLs beginning with a “.” (dot) cannot be used.
You cannot register URLs deviating to RFC3986, such as URLs including Japanese characters.
Note
Don't use deep linking. It may not work correctly.
Optional 
Dynamic
Custom parameter
Name
Number of characters
Up to 16 characters
Supported characters
Single byte alphanumeric characters
Value
Number of characters
Up to 200 characters
Supported characters
Single byte alphanumeric characters (RFC3986 and {}) * [] cannot be used.
When using　“Destination URL” *Available until October 2022
Required
Static
Destination URL
Number of characters
Up to 1024 characters
Supported characters
Single byte alphanumeric characters (RFC3986 and {}) * [] cannot be used.
Cautions
URLs beginning with a “.” (dot) cannot be used.

You cannot register URLs deviating to RFC3986, such as URLs including Japanese characters.

*For campaign goals “App promotion”, the URL is displayed depending on the app information set to the campaign. URL Google Play or App Store will be displayed and no other URL can be entered.
Note
Do not set deep links. It may not work properly.
Required
Dynamic
Display URL
Number of characters
Enter URL that will be displayed as ad. Enter within 29 single-byte characters, not including http:// and https://.
“/” can’t be entered at the end when entering the domain only.

Example
When the URL is “https://www.example.com/directory1/”, enter “example.com” or “example.com/page1/”.
Supported characters
Single byte alphanumeric characters (RFC3986) * [] cannot be used.
Domain extensions
Must contain a domain extension, e.g., www.yahoo.co.jp
Cautions
URLs beginning with a “.” (dot) cannot be used.
You cannot register URLs deviating to RFC3986, such as URLs including Japanese characters.

*URLs are automatically generated from the app information for Campaign goal: App promotion.
Required
Static
Button
pull-down menu option
Select an option from the pull-down on Create Ad page.
Required
Static
Advertiser Indication
Number of characters
Up to 20 characters
Cautions
*Enter the App name for Campaign goal: App promotion. Abbreviated notation is possible when the App name exceeds the maximum number of characters determined in the ad insertion rules. You can't use a name that may be confused with other app name.
*Learn more about related Advertisement Editorial Guidelines.
Optional
Dynamic
Logo Image

※A static image displayed on Video Ads full screen player. It is displayed when video is paused or ended.
File type
JPEG (RGB only): file extension ".jpg" or ".jpeg"
GIF89a: file extension ".gif"
PNG: file extension ".png"
Pixel size
(width x length)
180pixel × 180pixel
File size
Up to 3 MB per file

*Files 150 KB or more, or either the width or length exceeds 2000px, are compressed when uploading.
If the compressed file is larger than 150KB, an error will occur and uploading will fail.

Cautions
Prepare Logo images with pixel size specified above.
Transparency processing
Not available
Alt text (ALT aspect)
Not available
GIF animation 
Not available
Flash banner
Not available
Image flame 
Not available
Required
Dynamic
Video thumbnail

※A static image to be displayed for users before video playback.
Create with size (1) or (2) according to the video pixel size.
*The thumbnail pixel size must be the same with video pixel size.
Aspect ratio
Recommended
For devices with high-resolution displays, we recommend creating the following recommended sizes (or larger).
Recommended pixel size
（width x height）
　（Minimum pixel size （width x height））
(1) 16:9
1280pixel x 720pixel 
(640pixel x 360pixel)
(2) 1:1
1200pixel x 1200pixel
(600pixel x 600pixel)
File size
(Max size per file)
Recommended: Up to 150 KB (Max 3MB)
Note
*Files 150 KB or more, or either the width or length exceeds 2000px, are compressed when uploading.
If the compressed file is larger than 150KB, an error will occur and uploading will fail.
File type 
JPEG (RGB only): file extension ".jpg" or ".jpeg"
GIF89a: file extension ".gif"
PNG: file extension ".png"
Transparency processing
Not available
Alt text (ALT aspect)
Not available
GIF animation 
Not available
Flash banner 
Not available
Required for Campaign goal: App promotion
App ID /Package name 
Enter App ID for iOS, enter Package Name for Android.