▲ AboutPage → 1M - 10M·▼ competitor → 1K - 10K·▲ APIReference → 1K - 10K·▼ DataFeedItem → < 1K·▲ applicationSubCategory → 100K - 1M·▼ free → < 1K·▲ availableDeliveryMethod → 100K - 1M·▼ LegislationObject → < 1K·▲ BloodTest → 1K - 10K·▼ noBylinesPolicy → < 1K·▲ CafeOrCoffeeShop → 10K - 100K·▼ performers → 1K - 10K·▲ certificationIdentification → 10K - 100K·▲ ContactPage → 1M - 10M·▲ ConvenienceStore → 1K - 10K·▲ credentialCategory → 100K - 1M·
Monthly observatory · Google public dataset
Schema.org adoption on the web, in the clear.
How many domains use each Schema.org type and property, according to Google's public monthly dataset. Counts are aggregated per domain and grouped into popularity tiers.
Terms in the 10M+ tier · last 12 months53 (+10)
May 2026August 2026
Tracked terms5,545Types and properties
Types958e.g. Person, Product
Properties4,587e.g. price, author
Eligible575347 types, 228 properties
10M+ tier53Terms on 10M+ domains
Rising / falling43 ▲ /
7 ▼Tier changes this month
7 ▼Tier changes this month
Term ranking
Ordered by estimated adoption · highest tier first
1aboutGProperty10M+Domains (est.)12 mo—2addressGProperty10M+Domains (est.)12 mo—3ArticleGType10M+Domains (est.)12 mo—4authorGProperty10M+Domains (est.)12 mo—5availabilityGProperty10M+Domains (est.)12 mo—6breadcrumbProperty10M+Domains (est.)12 mo—7BreadcrumbListGType10M+Domains (est.)12 mo—8captionProperty10M+Domains (est.)12 mo—
| # | Term | Kind | Tier | Domains (est.) | 12 mo | Chg. |
|---|---|---|---|---|---|---|
| 1 | aboutG | Property | 10M+ | 10M+ | — | |
| 2 | addressG | Property | 10M+ | 10M+ | — | |
| 3 | ArticleG | Type | 10M+ | 10M+ | — | |
| 4 | authorG | Property | 10M+ | 10M+ | — | |
| 5 | availabilityG | Property | 10M+ | 10M+ | — | |
| 6 | breadcrumb | Property | 10M+ | 10M+ | — | |
| 7 | BreadcrumbListG | Type | 10M+ | 10M+ | — | |
| 8 | caption | Property | 10M+ | 10M+ | — |
The type map
958 types by root category · area = types in use, intensity = median tier
Intangible
259 types
Organization
180 types
CreativeWork
176 types
Action
116 types
Place
77 types
MedicalEntity
69 types
Others
81 types
Distribution by tier
Types vs properties in each tier · log scale
< 1K4,203
1K - 10K579
10K - 100K428
100K - 1M174
1M - 10M108
10M+53
TypesProperties
Tier structure · 12 months
Intensity = number of terms (log scale)