Yahoo! JAPAN Ads

Yahoo! JAPAN Ads Help

Responsive Ads for Search

1. Ad Insertion Rules
2. Supported character types, space type and Symbol types (for Titles, Descriptions)

Precautions

Precautions and prohibitions for Ad Insertion
Information Icons
Rules for Using Characters and Symbols

1. Ad Insertion Rules

ItemDescription
KeywordsNumber of charactersUp to 80 characters
AssetNumber of entitiesTitlesMinimum of 3, maximum of 15
DescriptionsMinimum of 2, maximum of 4
Number of charactersTitlesUp to 30 characters per title
DescriptionsUp to 90 characters per description
How to CountCount as 2 both for full-width char and half-width Katakana char, count as 1 for half-width alphanumeric
Supported character types, space type and Symbol typesSee following items
2. Supported character types, space type and Symbol types (for Titles, Descriptions)

*Up to two symbol character of the same type can be used per asset. Title and description are each an asset.
Keyword Insertion,COUNTDOWN function,Auto insertion of geographic location,Ad Customizer

The same restrictions on the number of characters for titles/descriptions must be followed, even when the listed functions is used.
If the number of characters exceeds the limit due to system specifications of Yahoo! Ads, it is judged that the guideline is not violated.
Display URL
(Domain)
Automatically generatedNot required
*Display URL (Domain) is automatically generated based on Landing Page URL.
Display URL
(Directory)
Number of charactersDirectory 1Up to 15 characters
Directory 2Up to 15 characters
How to countCount as 2 both for full-width char and half-width Katakana char, count as 1 for half-width alphanumeric
Supported charactersSingle byte alphanumeric characters, Japanese characters
Keyword Insertion,Auto insertion of geographic location,Ad CustomizerThe same restrictions on the number of characters for titles/descriptions must be followed, even when the Keyword Insertion function is used.
If the number of characters exceeds the limit due to system specifications of Yahoo! JAPAN Ads, it is judged that the guideline is not violated.
Landing Page URLNumber of characters1,024 byte
*Required
Domain must match with the “Display URL”.
How to countCount as 1 byte for half-width character, and as 3 byte for full-width character
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986,RFC3987)
Smartphone Landing Page URLNumber of characters

1,024 byte
*If you don't have the page for Smartphone or using same URL for both, you don't need set this URL on your ad.

Domain must match with the “Display URL”

How to countCount as 1 byte for half-width character, and as 3 byte for full-width character
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986,RFC3987)
Tracking URLNumber of characters1,024byte
How to countCount as 1 byte for half-width character, and as 3 byte for full-width character
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986,RFC3987)
Custom ParametersNameNumber of characters16byte
How to count1 byte *Full-width is not supported.
Supported charactersHalf-width alphanumeric characters
ValueNumber of characters200byte
How to countCount as 1 byte for half-width character, and as 3 byte for full-width character
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986,RFC3987)

 

2.Supported character types, space type and Symbol types (for Titles, Descriptions)

Supported Character Types

HiraganaDouble byte
KatakanaDouble byte
AlphanumericDouble byte/ Single byte

Supported Space Type

SpaceSingle byte

Supported Symbol Types

TypesSymbols
Parentheses

( ) 【 】 『 』 「 」 [ ] < > 《 》 ≪ ≫ (Double byte)
( ) [ ] (Single byte)
*One set per asset can be used. Title and description are each an asset.

Quotation mark‘ ’ ` ´ “ ” (Double byte)  "  ' (Single byte)
Punctuation mark。、 (Double byte)
Middle dot・ (Double byte)
Comma,(Double byte) , (Single byte)
Dot.(Double byte) . (Single byte)
Wave dash〜 (Wave dash, Double byte)*Unicode: U+301C
~ (Tilde, Double byte)*Unicode: U+FF5E
Percent% (Double byte) % (Single byte)
Ampersand& (Double byte) & (Single byte)
Colon/semicolon: ; (Double byte)
: ; (Single byte)
Three dot leader… (Double byte)
Hyphen‐ (Double byte)  - (Single byte)
Operator+ - ± × ÷ = ≠ ∞ (Double byte)
- + (Single byte)
Slash/ (Double byte)
/ (Single byte)
Question/exclamation mark? ! (Double byte)
? ! (Single byte)
Other¥ @ # ♯ (Double byte)
¥ @ # $ (Single byte)
Greek /Cyrillic charactersΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ  (Double byte)
αβγδεζηθικλμνξοπρστυφχψω  (Double byte)
АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ (Double byte)
абвгдеёжзийклмнопрстуфхцчшщъыьэюя (Double byte)

*No limit in number of punctuation marks, middle dots, commas, and periods.