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Technology answer

Open Graph

29,248,137

companies run it, 53.6% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 75,358,453 live hosts run it, of 191,809,695 hosts in the index, 39.3%. A host is a website, not a company. This is a web standard: it is present on the host and does not count towards a stack.

Companies by month

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

29,247,742 at Sept 26; 30,655,181 twelve months earlier, -1,407,439, -4.6% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-0100
2021-0200
2021-0300
2021-0400
2021-0500
2021-0600
2021-0700
2021-0800
2021-0900
2021-1000
2021-1100
2021-1200
2022-0100
2022-0200
2022-0300
2022-0400
2022-0500
2022-0600
2022-0700
2022-0800
2022-0900
2022-1000
2022-1100
2022-1200
2023-0100
2023-0200
2023-0300
2023-041,312,458181,168
2023-052,543,066351,039
2023-063,773,674520,909
2023-075,004,282690,779
2023-086,234,890860,649
2023-097,465,4971,030,519
2023-108,696,1051,200,389
2023-119,926,7131,370,259
2023-1211,157,3211,540,129
2024-0112,387,9291,709,999
2024-0213,619,0751,879,944
2024-0315,378,1322,122,759
2024-0417,118,3102,362,969
2024-0517,546,0302,422,011
2024-0618,061,3782,493,148
2024-0718,576,3702,564,236
2024-0819,114,8912,638,572
2024-0920,003,3012,761,206
2024-1021,031,8972,903,191
2024-1122,138,0593,055,883
2024-1223,231,0703,206,760
2025-0124,457,7383,376,086
2025-0225,643,7973,539,806
2025-0326,829,3183,703,453
2025-0427,517,1353,798,397
2025-0528,175,9903,889,344
2025-0628,873,9643,985,691
2025-0729,548,8114,078,845
2025-0830,227,2304,172,492
2025-0930,655,1814,231,566
2025-1030,731,7164,242,130
2025-1130,668,0654,233,344
2025-1230,526,8474,213,851
2026-0130,404,6304,196,980
2026-0230,303,8704,183,071
2026-0330,294,3334,181,755
2026-0430,200,8044,168,844
2026-0530,054,5714,148,659
2026-0629,941,2864,133,021
2026-0729,746,3204,106,109
2026-0829,530,8064,076,360
2026-0929,247,7424,037,286

Both denominators, and a third

Shares of the same 29,248,137each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
53.6%
companies running anything in Web Standards and Capabilities
51,014,812
57.3%
companies running anything in Structured data and semantic web
29,247,775
100.0%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Open Graph is rank 1 of 3 technologies in Structured data and semantic web.

Open as a segment

29,248,137 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-open-graph

Open the segment

Catalogue record

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

Metadata standard for describing web pages to social platforms via meta tags.

Open Graph is a web metadata protocol that uses HTML meta tags to define how pages are represented when shared on social networks. It is maintained as an open specification at ogp.me and implemented by site owners.

Kindstandard
VendorOpen Graph Protocol, ogp.me
Slugopen-graph
Deploymentself-hosted
Pricingfree
Open sourceno
First discovered2023-09-13
Last discovered2026-09-10
Taxonomy releasetax-2026.10