Technology answer

Schema App

546

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 869 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

546 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 220 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 2 Feb 2025, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 546each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in SEO

8,433,725

<0.01%

companies running anything in Structured data SEO tools

690

withheld

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Schema App is rank 1 of 2 technologies in Structured data SEO tools.

Open as a segment

546 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-schema-app

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

A platform to manage and deploy Schema.org structured data for SEO.

Schema App helps organizations create, manage, and publish Schema.org structured data across websites to enhance search visibility. It is provided by Schema App and is used by SEO teams and agencies.

Kindproduct

VendorSchema App, schemaapp.com

PathMarketing and Advertising > SEO > Structured data SEO tools

Slugschema-app

Deploymentsaas

Pricingquote based, subscription

Open sourceno

First discovered2025-02-02

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerStructured data SEO toolsCompanies running anything in Structured data SEO tools, 690 of 54,527,857 in the index, and the technologies ranked in it.Category answerSEOThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.