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Cloudflare Web Analytics among Y Combinator companies

Cloudflare Web Analytics was detected on 509 of 5,386 crawled Y Combinator company websites, a share of 9.5%.

9.5% Share
509 Running Cloudflare Web Analytics
5,386 Crawled
GroupCrawledRunning Cloudflare Web AnalyticsShare
Inc 5000 (2026) 4,886 355 7.3%
Y Combinator companies 5,386 509 9.5%
Fortune 500 472 30 6.4%
Unicorns 1,000 114 11.4%
SaaS companies 8,173 89 1.1%
Tranco top 10,000 1,572 146 9.3%

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 4 of the 5 Analytics tools published for this group.

Software used by Y Combinator companies · Analytics across all groups · Cloudflare Web Analytics across every group and the wider sample

Cloudflare Web Analytics runs on these Y Combinator companies

  • Deel
  • Flock Safety
  • Vanta
  • Go1
  • Ginkgo Bioworks
  • FAZZ
  • Leena AI
  • Zenefits
  • TRM Labs
  • AirHelp
  • Simetrik
  • SkydropX
  • May Mobility
  • Teleport
  • AccioJob
  • Bitrise
  • Oolu
  • Lever
  • Fivestars
  • LendUp

20 of 509, ordered by team size, largest first.

Full list: 509 Y Combinator companies running Cloudflare Web Analytics, with domain and company columns. CSV, $29 one-time.

By batch year

Batch yearCrawledRunning Cloudflare Web AnalyticsShare
<=2019 1,595 167 10.5%
2020-21 984 82 8.3%
2022-23 1,008 83 8.2%
2024-25 1,157 103 8.9%
2026+ 642 74 11.5%

By industry

IndustryCrawledRunning Cloudflare Web AnalyticsShare
B2B 2,796 286 10.2%
Consumer 670 65 9.7%
Healthcare 620 40 6.5%
Fintech 573 55 9.6%
Industrials 420 39 9.3%
Real Estate and Construction 142 9 6.3%
Education 106 10 9.4%

By status

StatusCrawledRunning Cloudflare Web AnalyticsShare
Active 4,127 362 8.8%
Inactive 650 72 11.1%
Acquired 592 73 12.3%
Cloudflare Web Analytics share of crawled company websites, by groupInc 5000 (2026)7.3%Y Combinator companies9.5%Fortune 5006.4%Unicorns11.4%SaaS companies1.1%Tranco top 10,0009.3%
Cloudflare Web Analytics share of crawled company websites, by group

Source: Installmap crawl, 4 September 2026

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Cloudflare Web Analytics runs on 509 of 5,386 crawled YC companies (9.5%)InstallmapUsed by 509 YC companies
<a href="https://installmap.com/groups/yc/cloudflare-web-analytics"><img src="https://installmap.com/badges/yc/cloudflare-web-analytics.svg" alt="Cloudflare Web Analytics runs on 509 of 5,386 crawled YC companies (9.5%)"></a>
[![Cloudflare Web Analytics runs on 509 of 5,386 crawled YC companies (9.5%)](https://installmap.com/badges/yc/cloudflare-web-analytics.svg)](https://installmap.com/groups/yc/cloudflare-web-analytics)

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Cite this

Installmap, Cloudflare Web Analytics among Y Combinator companies, crawl of 4 September 2026, https://installmap.com/groups/yc/cloudflare-web-analytics.

Canonical URL
https://installmap.com/groups/yc/cloudflare-web-analytics
Denominator
509 of 5,386 crawled Y Combinator company websites, a share of 9.5%

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