Startup Marketing Agencies: Which Ones AI Can Actually See
These are the agencies ranking for startup marketing agency today. Each one has been checked for something the ranking does not tell you: whether the crawlers behind ChatGPT, Claude and Perplexity can reach their site at all.
4 of 10 agencies on this page have a setup that stops at least one AI crawler from reading their site. Checked September 2, 2026.
| Agency | AI crawlers | Rendering | robots.txt |
|---|---|---|---|
| ycombinator.com | Reachable | Server rendered | present |
| ceek.co.uk | Crawler blocked | Server rendered | present |
| ironpaper.com | Reachable | Server rendered | present |
| stackmatix.com | Crawler blocked | Server rendered | present |
| startups.com | Connection refused | Not checked | present |
| kexino.com | Reachable | Server rendered | none |
| growthrocks.com | Reachable | Server rendered | present |
| techdella.com | Reachable | Server rendered | present |
| webtonic.io | Reachable | Server rendered | present |
| nogood.io | Crawler blocked | Server rendered | present |
1. Y Combinator
ycombinator.com · ranks #4 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
2. CEEK
ceek.co.uk · ranks #5 for startup marketing agency
Can AI find them
The server accepts browsers but rejects AI crawler user agents.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
3. Ironpaper
ironpaper.com · ranks #7 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
4. Stackmatix
stackmatix.com · ranks #8 for startup marketing agency
Can AI find them
The server accepts browsers but rejects AI crawler user agents.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
5. Startups
startups.com · ranks #12 for startup marketing agency
Can AI find them
The handshake is reset for clients that are not browsers. The site loads in Chrome and refuses everything else.
6. KEXINO
kexino.com · ranks #13 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
7. GrowthRocks
growthrocks.com · ranks #14 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
8. Techdella
techdella.com · ranks #15 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
9. Web Tonic
webtonic.io · ranks #16 for startup marketing agency
Can AI find them
AI crawlers can fetch this site and read the page.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
10. NoGood
nogood.io · ranks #19 for startup marketing agency
Can AI find them
The server accepts browsers but rejects AI crawler user agents.
How the page is built
The server sends finished HTML, so a crawler gets the content on the first request.
How we checked
Each site was requested from outside a browser, using the stock TLS stack that GPTBot, ClaudeBot and PerplexityBot use. We record whether the handshake completes, what robots.txt permits, and whether the HTML that comes back contains readable text or an empty shell. A browser extension cannot run this check, because it inherits the browser’s own fingerprint and gets a clean answer from sites that refuse every non-browser client.
Positions and the agency list come from the live startup marketing agency results on the date shown. Nothing on this page is a paid placement, and we make no claim about the quality of any agency’s work.
Common questions
How many Startup agencies can AI crawlers reach?
Of the 10 agencies checked for this page, 4 have a setup that stops at least one AI crawler from reading their site. Checked September 2, 2026.
What does this check actually measure?
Whether a non-browser client can complete a TLS handshake, whether robots.txt permits AI crawlers, and whether the page returns readable HTML or an empty shell that needs JavaScript. It runs outside a browser, which is the only way to see what a crawler sees.
Does being unreachable mean the agency is bad at SEO?
No. It means their own site is invisible to the crawlers behind AI answers, which is a different problem from ranking in Google. Most cases are a bot-protection rule or a JavaScript-rendered site, and both are quick to fix once found.
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ChatGPT
Claude
Gemini