cardano.org
Cardano, Secure Decentralized Blockchain Platform | Cardano
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Great
Summary
Cardano is a decentralized blockchain platform built through peer-reviewed research. This website uses Google Analytics hosted on AWS behind Netlify CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (75/100). Top issue: Meta description longer than 160 characters.
Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.
- United States
- Hosted on AWS
Top issues to fix
4 issues found
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
68 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.
Contact
Email, phone, and address published on this site's own pages.
Source: https://cardano.org/contact/
Meta tags
- Title
- Cardano, Secure Decentralized Blockchain Platform | Cardano
- Description
- Cardano is a decentralized blockchain platform built through peer-reviewed research. Explore ada, staking, governance, DApps, and a global open-source community.
- Canonical
- https://cardano.org/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- cardano.org
- Valid from
- Jun 13, 2026
- Valid to
- Sep 11, 2026
- Days until expiry
- 46
- SAN domains
- cardano.org, www.cardano.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 5 · H2 3 · H3 6
Links
58 internal · 15 external · 1 broken
Images
24 total · 0 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
1.1 MB · 392 KB
Page size
50.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 802
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cardano.org
- Final URL
- https://cardano.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 67 ms
- HTML size
- 50.3 KB
- Redirect chain
- https://cardano.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cardano.org use?
- cardano.org is built with Google Analytics.
- Is cardano.org secure (HTTPS)?
- Yes. cardano.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 11, 2026.
- Who hosts cardano.org?
- cardano.org is hosted on AWS, behind Netlify CDN.
- What is cardano.org's SEO score?
- cardano.org scored 80/100 for SEO in the latest analysis (great).
- What is cardano.org's overall website score?
- cardano.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card