Structured title

How it works

The attribute structured_title has two parts. content holds the title text, up to 150 characters, the same limit as the ordinary title. digital_source_type says who wrote it: trained_algorithmic_media for generative AI, default for a person. If the type is left empty, Google assumes default. A matching attribute, structured_description, works the same way for descriptions of up to 5,000 characters.

Google’s rule: every title created with generative AI goes into structured_title, marked trained_algorithmic_media, and never into title. A title written by a person may use either attribute. Google lists this among the minimum requirements for titles, and products that break them can be disapproved. How to roll out AI-written texts safely is covered in AI-generated titles and descriptions in your feed.

Where you see it

• Text feed: the type, a colon and the title, such as trained_algorithmic_media:"Dinner plate 27 cm: white porcelain". A title containing a colon goes in double quotes.
• XML feed: g:digital_source_type and g:content inside g:structured_title.
• Merchant API: the product fields structuredTitle and structuredDescription, which the reference describes as fields for AI-generated text.

Example

Example store, not client data.

The tableware shop has an AI tool rewrite 500 of its 3,000 titles. It sends those 500 in structured_title, marked trained_algorithmic_media, and clears title for the same products. The other 3,000 − 500 = 2,500 keep their ordinary title. If the shop had kept both attributes on the 500, Google would have used the old titles.

Not to be confused with

• Title and description — the ordinary text fields, with no mark of who wrote them.
• Product highlight — a separate attribute: bullet points about the product’s most relevant features.

Right and wrong readings

• Wrong: “Add a structured title next to the old one and Google picks the better of the two.” Right: with both attributes present, Google uses only title.
• Wrong: “Structured title is only for AI-written titles.” Right: a title written by a person can go there too, marked default or with no mark.

Sources

• Title [title] and structured title [structured_title] — sub-attributes, 150 characters, AI rule, minimum requirements, title over structured title, formats. Checked 2 October 2026 (archived copy of 20 April 2026).
• Description [description] and structured description [structured_description] — the same for descriptions, 5,000 characters. Checked 2 October 2026 (archived copy of 15 July 2026).
• ProductAttributes (Merchant API) — structured fields for AI-generated text; product highlights. Checked 2 October 2026.