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WordPress among Y Combinator companies

WordPress was detected on 397 of 5,386 crawled Y Combinator company websites, a share of 7.4%.

GroupCrawledRunning WordPressShare
Inc 5000 (2026) 4,885 2,568 52.6%
Y Combinator companies 5,386 397 7.4%
Fortune 500 472 68 14.4%
Unicorns 1,000 244 24.4%

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. Rank 2 of the 5 CMS tools published for this group.

Software used by Y Combinator companies · CMS across all four groups · WordPress across every group and the wider sample

By batch year

Batch yearCrawledRunning WordPressShare
<=2019 1,595 241 15.1%
2020-21 984 87 8.8%
2022-23 1,008 61 6.1%
2024-25 1,157 6 0.5%
2026+ 642 2 0.3%

By industry

IndustryCrawledRunning WordPressShare
B2B 2,796 152 5.4%
Consumer 670 50 7.5%
Healthcare 620 72 11.6%
Fintech 573 53 9.2%
Industrials 420 39 9.3%
Real Estate and Construction 142 13 9.2%
Education 106 9 8.5%

By status

StatusCrawledRunning WordPressShare
Active 4,127 242 5.9%
Inactive 650 60 9.2%
Acquired 592 92 15.5%
WordPress share of crawled company websites, by groupInc 5000 (2026)52.6%Y Combinator companies7.4%Fortune 50014.4%Unicorns24.4%
WordPress share of crawled company websites, by group

Badge

WordPress runs on 7.4% of Y Combinator companies, 397 of 5,386 crawled companiesInstallmapUsed by 7.4% of Y Combinator companies
<a href="https://installmap.com/groups/yc/wordpress"><img src="https://installmap.com/badges/yc/wordpress.svg" alt="WordPress runs on 7.4% of Y Combinator companies, 397 of 5,386 crawled companies"></a>
[![WordPress runs on 7.4% of Y Combinator companies, 397 of 5,386 crawled companies](https://installmap.com/badges/yc/wordpress.svg)](https://installmap.com/groups/yc/wordpress)

Badge URL: https://installmap.com/badges/yc/wordpress.svg · all badges.

Cite

WordPress was detected on 397 of 5,386 crawled Y Combinator company websites (7.4%). Installmap, 4 September 2026, https://installmap.com/groups/yc/wordpress.

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