Category share · citeable fact
The SEO category accounted for 7.7% of Harpd Rank participation (11 products), led by Ahrefs.
Quick answer
What does Harpd report for market.share.seo?
The SEO category accounted for 7.7% of Harpd Rank participation (11 products), led by Ahrefs.
- Value
- 7.7%
- Metric
- market.share.seo
- Data as of
- 2026-09-12
- Dataset
- Harpd Rank Market Index
Data source: Harpd Rank Market IndexLast updated:
Evidence chain
- Dataset
- Harpd Rank Market Index
- Evidence
- source record
- Methodology
- how it is produced
- Entity
- SEO
- Licence
- CC BY 4.0
Machine-readable
- /data/citeable-facts.json — this fact and every other one
- /data/citations.json — the citation registry
- /data/citations.csv — the registry as CSV
- /api/citations/search.json — full-text lookup
- /api/citations/category-share-seo.json — this citation by id
Why it matters
A figure is only citable when a reader can check where it came from. This page fixes the dataset, the method and the data date next to the claim itself, so a journalist, researcher or answer engine can quote the number without asking anyone for the source.
Limitations
- Share means share of Harpd Rank participation, not share of the global software market.
- Category boundaries are assigned at submission; a product that spans two categories is counted once.
Data source: Harpd Rank Market Index
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- The AI Media category accounted for 6.3% of Harpd Rank participation (9 products), led by Adobe Firefly.
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