Yahoo! JAPAN Ads

Yahoo! JAPAN Ads Help

Dynamic 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
Page Feed nameNumber of charactersUp to 50 characters
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986, RFC3987)
DomainNumber of characters1,024byte
*Domain part of Main URL is up to 51 bytes
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)
Page 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 LabelNumber of itemsUp to 10 labels
Number of charactersUp to 20 characters
Supported charactersSingle byte alphanumeric characters, Japanese characters(RFC3986, RFC3987)
Single byte symbols below can not be used. 
* >>  ==  &+
Targeting SettingBid amountUp to 80,000
To specify within URLNumber of characters1,024byte
How to CountCount as 1 byte for half-width character, and as 3 byte for full-width character
To specify title within  Page URLNumber of characters1,024byte
How to CountCount as 1 byte for half-width character, and as 3 byte for full-width character
To specify contents within Page URLNumber of characters1,024byte
How to CountCount as 1 byte for half-width character, and as 3 byte for full-width character  
To specify Custom LabelNumber of characters1,024byte
How to CountCount as 1 byte for half-width character, and as 3 byte for full-width character
Titles, DescriptionsNumber of charactersTitle
(Not required)
Automatically generated.
Descriptions 1Up to 90 characters
Description 2
(Optional)
Up to 90 characters
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 types

(Descriptions)

See following items2. Supported character types, space type and Symbol types (for Titles, Descriptions)*Up to two symbols of the same type can be used in the title/description.
Ad Customizer,
COUNTDOWN function,
IF function
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)
(Not required)Automatically generated.
*Directory part is not editable for setting.
Landing Page
URL
(Not required)Automatically set.
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)
*Only one set of each symbol can be used for title and description, except for ”( )” (parenthesis in double byte) and ”( )” (parenthesis in single byte).
*Only ”( )” (parenthesis in double byte) and ”( )” (parenthesis in single byte) is available on Ad Customizer.
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.