ycombinator.com
ycombinator.com is ranked #2,301 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 38 places in four weeks. The domain was registered on Mar 20, 2005, 21 years, 6 months ago, through Gandi SAS, and is paid up until Mar 20, 2027. Its homepage uses Google Fonts, Google Analytics and PostHog. It is served through Cloudflare.
Popularity rank
#2,301 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #2,202.
Domain registration
- Registered
- Mar 20, 2005 (21 years, 6 months ago)
- Expires
- Mar 20, 2027
- Registrar
- Gandi SAS
- Name servers
ns-1411.awsdns-48.org,ns-1914.awsdns-47.co.uk,ns-225.awsdns-28.com,ns-556.awsdns-05.net- DNSSEC
- Not signed
From the registry's public RDAP record, checked Oct 1, 2026.
Technology stack
Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.
Homepage SEO check
Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.
18 passed · 4 warnings · 1 failed
Content
- !Title12 characters — aim for 15–65
- ✓Meta description125 characters
- ✕H1 headingMissing in the served HTML
- ✓Subheadings6 H2 headings
- ✓Image alt textAll 86 images have alt text
- ✓Content lengthAbout 1,584 words
Indexing
- ✓IndexableNo noindex directive
- !Canonical URLMissing
- ✓robots.txtFound
- ✓XML sitemapFound
- ✓Language attributeen
- !Structured dataNo JSON-LD or microdata
Social sharing
- ✓Open GraphTitle, description and image set
- ✓Twitter / X cardsummary_large_image
Technical
- ✓HTTPSServed over HTTPS
- ✓Mobile viewportFound
- ✓FaviconFound
- ✓Character encodingutf-8
Security headers
- ✓Strict-Transport-SecuritySet
- !Content-Security-PolicyNot set
- ✓Clickjacking protectionSet
- ✓X-Content-Type-OptionsSet
- ✓Referrer-PolicySet
Server response
- Final URL
https://www.ycombinator.com/- HTTP status
- 200
- Server
cloudflare- Response time
- 221 ms (first byte 184 ms, from our scanner in a US data centre)
- HTML size
- 320 KB
- Compression
- gzip
Sites with a similar tech stack
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| #1,216 | pimpbunny.com |
| #7,207 | machotube.tv |
| #8,612 | boy18tube.com |
| #9,105 | savefrom.co.id |
| #1,432 | ilmeteo.it |
| #1,669 | mileroticos.com |
Sites ranked near ycombinator.com
| Rank | Website | Registered |
|---|---|---|
| #2,296 | opera-api2.com | 2023 |
| #2,297 | doppiocdn.com | 2022 |
| #2,298 | laravel.com | 2011 |
| #2,299 | tiqcdn.com | 2012 |
| #2,300 | feedburner.com | 2003 |
| #2,302 | oaiusercontent.com | 2023 |
| #2,303 | innovid.com | 2005 |
| #2,304 | windy.com | 1999 |
| #2,305 | lego.com | 1995 |
| #2,306 | hotmail.com | 1996 |
Questions about ycombinator.com
How popular is ycombinator.com?
ycombinator.com is #2,301 worldwide in the Tranco list published Oct 13, 2026.
How old is ycombinator.com?
ycombinator.com was registered on Mar 20, 2005, which makes the domain 21 years, 6 months old.
What is ycombinator.com built with?
We detected Google Fonts, Google Analytics, PostHog and Cloudflare on its homepage.
Who is the registrar of ycombinator.com?
Gandi SAS, according to the registry's RDAP record.