cardano.org
Cardano, Secure Decentralized Blockchain Platform | Cardano
Last scanned Aug 3, 2026, 4:00 AM · 9 views
Overall score
Excellent
Summary
Cardano is a decentralized blockchain platform built through peer-reviewed research. This website uses Google Analytics behind Netlify CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). 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.
Top issues to fix
6 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
5 issue(s) found
Performance
282 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+3 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 70
- Security
- 100
- Performance
- 100
- Accessibility
- 100
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.
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
- Hosting provider
- —
- CDN provider
- Netlify
- IP address
- —
- ASN
- —
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
- 39
- 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 · 20 broken
Images
30 total · 0 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
1.9 KB · 500 B
Page size
51.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not 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
- 281 ms
- HTML size
- 51.7 KB
- Redirect chain
- https://cardano.org
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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?
- Hosting provider information for cardano.org is not available yet.
- What is cardano.org's SEO score?
- cardano.org scored 70/100 for SEO in the latest analysis (fair).
- What is cardano.org's overall website score?
- cardano.org has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has cardano.org's score changed over time?
- cardano.org's overall score has improved by 3 points (from 88 to 91) since Jul 26, 2026.
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OpenGraph
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