ooni.org
OONI: Open Observatory of Network Interference | OONI
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Great
Summary
The Open Observatory of Network Interference (OONI) is a global community measuring internet censorship around the world. This website uses Umami hosted on AWS behind Vercel CDN. SEO is excellent (95/100) and accessibility is good (85/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
The Open Observatory of Network Interference (OONI) is a global community measuring internet censorship around the world. Run OONI Probe to detect internet censorship. Use OONI Explorer to track internet censorship worldwide in near real-time.
- United States
- Hosted on AWS
Top issues to fix
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
SEO
1 issue(s) found
Performance
11 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- OONI: Open Observatory of Network Interference | OONI
- Description
- The Open Observatory of Network Interference (OONI) is a global community measuring internet censorship around the world. Run OONI Probe to detect internet censorship. Use OONI Explorer to track internet censorship worldwide in near real-time.
- Canonical
- https://ooni.org/
- Language
- en
- Charset
- utf-8
- Viewport
- initial-scale=1,width=device-width
- 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
- ooni.org
- Valid from
- Aug 20, 2026
- Valid to
- Nov 18, 2026
- Days until expiry
- 85
- SAN domains
- ooni.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 3
Links
28 internal · 16 external · 0 broken
Images
7 total · 3 missing alt
Scripts / Styles
2 scripts · 1 stylesheets
JS / CSS size
358 B · 78.0 KB
Page size
23.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://ooni.org
- Final URL
- https://ooni.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 11 ms
- HTML size
- 23.4 KB
- Redirect chain
- https://ooni.org
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Frequently asked questions
- What technology does ooni.org use?
- ooni.org is built with Tailwind CSS, Umami.
- Is ooni.org secure (HTTPS)?
- Yes. ooni.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 18, 2026.
- Who hosts ooni.org?
- ooni.org is hosted on AWS, behind Vercel CDN.
- What is ooni.org's SEO score?
- ooni.org scored 95/100 for SEO in the latest analysis (excellent).
- What is ooni.org's overall website score?
- ooni.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card