ctbto.org
Homepage | CTBTO
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
This website uses Drupal hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) 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
5 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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
429 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.
Source: https://www.ctbto.org/contact-us
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
- 104.20.7.132
- 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
- 82
- 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
109 internal · 6 external · 1 broken
Images
27 total · 0 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
124 KB · 0 B
Page size
138 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 35
- sitemap.xml
- Found
- URLs in sitemap
- 1824
SEO issues
- Missing meta description
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- No H1 heading found
Careers
Scan details
- Requested URL
- https://ctbto.org
- Final URL
- https://www.ctbto.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 427 ms
- HTML size
- 138 KB
- Redirect chain
- https://ctbto.org → https://www.ctbto.org/
See something wrong on this report? Request a correction
Related websites
Same technology stack
acleddata.com
ACLED
sahistory.org.za
Home Page | South African History Online
ipshu.com
Router Login & IP Address Lookup | IP Address(English)-IPSHU
commonsense.org
Common Sense Media
thedailystar.net
The Daily Star - Bangladesh's National and International Breaking News
pfizer.com
Pfizer: One of the world's premier biopharmaceutical companies
Same hosting provider
gentlemansgazette.com
Gentleman's Gazette | Website & Shop For Classic Gentlemen
gearset.com
Gearset | The complete Salesforce DevOps solution
hackertarget.com
28 Online Vulnerability Scanners & Network Tools
righttoinformation.wiki
File any RTI in India · RTI Wiki
geaerospace.com
GE Aerospace - Home | GE Aerospace
joingy.com
Joingy: Random Video Chat Roulette • Stranger Cam Chat
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 65/100 for SEO in the latest analysis (fair).
- What is ctbto.org's overall website score?
- ctbto.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Is ctbto.org hiring?
- Yes. ctbto.org has 7 open roles listed on their careers page.
OpenGraph & Twitter Card
OpenGraph
Twitter Card