YC AI visibility / Winter 2011

Most AI-visible companies in YC Winter 2011

We scored 5 active B2B and fintech companies from Y Combinator's Winter 2011 batch on how easily ChatGPT, Perplexity, Claude and AI agents can find, understand and use them. Zerocater leads with 95/100. Data from our crawl on October 18, 2026; scores are a homepage snapshot, not live.

78

Winter 2011 average score

77

All-YC average (+1 for this batch)

60%

of this batch have no llms.txt (all YC: 55%)

#CompanyScoreCrawlersContentSchemaAgents
1Zerocater
zerocater.com
951009410083
2Tremendous
tremendous.com
93959410083
3Talkable
talkable.com
81958310047
4Acunote
acunote.com
678589847
5Tumult
tumult.com
548955826

Sub-scores: Crawlers = AI crawler access, Content = answer-engine content, Schema = structured data, Agents = agent readiness (llms.txt, API/MCP). Ties share a rank.

YC Winter 2011 vs all of YC

AreaWinter 2011All YC
Overall score7877
AI crawler access9393
Answer-engine content8382
Structured data6362
Agent readiness5756

Most common gaps in YC Winter 2011

No question & answer content100% (all YC: 71%)
No discoverable API or MCP for agents100% (all YC: 87%)
No llms.txt60% (all YC: 55%)
Incomplete Open Graph tags40% (all YC: 21%)
No XML sitemap40% (all YC: 17%)
No JSON-LD structured data at all40% (all YC: 43%)
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Show your rank in YC Winter 2011

Add a badge to your site, docs or README that links to this leaderboard. Replace zerocater.com with your domain, or copy the ready-made snippet from your company's page. Example for Zerocater:

YC Winter 2011 · AI visibility #1 of 5
HTML
<a href="https://getrankroot.com/yc/winter-2011"><img src="https://getrankroot.com/api/badge/yc?domain=zerocater.com" alt="YC Winter 2011 · AI visibility #1 of 5" height="20"></a>
Markdown
[![YC Winter 2011 · AI visibility #1 of 5](https://getrankroot.com/api/badge/yc?domain=zerocater.com)](https://getrankroot.com/yc/winter-2011)

Other YC batches

All YC companiesFall 2026Summer 2026Spring 2026Winter 2026Fall 2025Summer 2025Spring 2025Winter 2025Fall 2024Summer 2024Winter 2024Summer 2023Winter 2023Summer 2022Winter 2022Summer 2021Winter 2021Summer 2020Winter 2020Summer 2019Winter 2019Summer 2018Winter 2018Summer 2017Winter 2017Summer 2016Winter 2016Summer 2015Winter 2015Summer 2014Winter 2014Summer 2013Winter 2013Summer 2012Winter 2012Summer 2011

Methodology: how the YC dataset was built. Batch labels come from Y Combinator's public directory; RankRoot is not affiliated with Y Combinator.