Home / Groups / Y Combinator companies / Webflow
Webflow among Y Combinator companies
Webflow was detected on 845 of 5,386 crawled Y Combinator company websites, a share of 15.7%.
| Group | Crawled | Running Webflow | Share |
|---|---|---|---|
| Inc 5000 (2026) | 4,886 | 410 | 8.4% |
| Y Combinator companies | 5,386 | 845 | 15.7% |
| Fortune 500 | 472 | 5 | 1.1% |
| Unicorns | 1,000 | 114 | 11.4% |
| SaaS companies | 8,173 | 692 | 8.5% |
| Tranco top 10,000 | 1,572 | 25 | 1.6% |
5,386 of 6,133 Y Combinator domains returned a usable record and form the denominator. 5,242 were counted from a rendered homepage crawl on 4 September 2026, 144 from a plain fetch only, and 747 returned no usable record. Company list: Y Combinator company directory. <5 means fewer than 5 crawled domains in that group. Rank 1 of the 5 CMS tools published for this group.
Software used by Y Combinator companies · CMS across all groups · Webflow across every group and the wider sample
Webflow runs on these Y Combinator companies
- EquipmentShare
- 99minutos
- Truepill
- Fivetran
- Athelas
- Flock Safety
- Nabis
- Vanta
- Ginkgo Bioworks
- Lattice
- Aspire
- Astranis
- Instawork
- Pair Team
- Zip
- TRM Labs
- Modern Health
- Submittable
- BillionToOne
- HackerRank
20 of 845, ordered by team size, largest first.
By batch year
| Batch year | Crawled | Running Webflow | Share |
|---|---|---|---|
| <=2019 | 1,595 | 245 | 15.4% |
| 2020-21 | 984 | 252 | 25.6% |
| 2022-23 | 1,008 | 218 | 21.6% |
| 2024-25 | 1,157 | 118 | 10.2% |
| 2026+ | 642 | 12 | 1.9% |
By industry
| Industry | Crawled | Running Webflow | Share |
|---|---|---|---|
| B2B | 2,796 | 436 | 15.6% |
| Consumer | 670 | 43 | 6.4% |
| Healthcare | 620 | 145 | 23.4% |
| Fintech | 573 | 101 | 17.6% |
| Industrials | 420 | 68 | 16.2% |
| Real Estate and Construction | 142 | 30 | 21.1% |
| Education | 106 | 13 | 12.3% |
By status
| Status | Crawled | Running Webflow | Share |
|---|---|---|---|
| Active | 4,127 | 710 | 17.2% |
| Inactive | 650 | 43 | 6.6% |
| Acquired | 592 | 89 | 15.0% |
Source: Installmap crawl, 4 September 2026
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<a href="https://installmap.com/groups/yc/webflow"><img src="https://installmap.com/badges/yc/webflow.svg" alt="Webflow is the most detected CMS tool among Y Combinator companies: 845 of 5,386 crawled YC companies (15.7%)"></a>
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Badge URL: https://installmap.com/badges/yc/webflow.svg · all badges.
Cite this
Installmap, Webflow among Y Combinator companies, crawl of 4 September 2026, https://installmap.com/groups/yc/webflow.
Other CMS tools in this group
- WordPress 7.4%
- Framer 6.9%
- Sanity 1.9%
- Squarespace 1.1%
- Contentful 0.8%
- HubSpot CMS 0.8%
- Wix 0.8%
- Prismic 0.4%