ctbto.org
Homepage | CTBTO
Last scanned Aug 3, 2026, 11:00 PM · 9 views
Overall score
Great
Summary
This website uses Drupal hosted on Cloudflare behind Cloudflare CDN. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 2 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
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.
+1 more issue — details in the sections below.
SEO
6 issue(s) found
Performance
472 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 85
- SEO
- 55
- Security
- 100
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- feedback@ctbto.org
Meta tags
- Title
- Homepage | CTBTO
- Description
- Canonical
- https://www.ctbto.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1.0, maximum-scale = 1.0, shrink-to-fit=no, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.20.8.132
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- ctbto.org
- Valid from
- Jul 18, 2026
- Valid to
- Oct 16, 2026
- Days until expiry
- 73
- SAN domains
- ctbto.org, *.ctbto.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 22 · H3 0
Links
108 internal · 6 external · 2 broken
Images
27 total · 0 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
85.2 KB · 13.3 KB
Page size
138 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://ctbto.org
- Final URL
- https://www.ctbto.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 470 ms
- HTML size
- 138 KB
- Redirect chain
- https://ctbto.org → https://www.ctbto.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ctbto.org use?
- ctbto.org is built with Drupal, jQuery, Google Analytics, Cloudflare Analytics.
- Is ctbto.org secure (HTTPS)?
- Yes. ctbto.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 16, 2026.
- Who hosts ctbto.org?
- ctbto.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is ctbto.org's SEO score?
- ctbto.org scored 55/100 for SEO in the latest analysis (fair).
- What is ctbto.org's overall website score?
- ctbto.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- Has ctbto.org's score changed over time?
- ctbto.org's overall score has declined by 3 points (from 88 to 85) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card