ucs.org
Union of Concerned Scientists
Last scanned Aug 1, 2026, 2:00 PM · 7 views
Overall score
Great
Summary
The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. This website uses Drupal behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
Top issues to fix
6 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
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
4 issue(s) found
Performance
1.58 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 88
- SEO
- 75
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
Meta tags
- Title
- Union of Concerned Scientists
- Description
- The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.
- Canonical
- https://www.ucs.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- ucs.org
- Valid from
- Jul 5, 2026
- Valid to
- Oct 3, 2026
- Days until expiry
- 62
- SAN domains
- ucs.org, *.ucs.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 27
Links
70 internal · 36 external · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
9 scripts · 2 stylesheets
JS / CSS size
2.8 KB · 992 B
Page size
141 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
- 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://ucs.org
- Final URL
- https://www.ucs.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.58 s
- HTML size
- 141 KB
- Redirect chain
- https://ucs.org → https://www.ucs.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ucs.org use?
- ucs.org is built with Drupal, jQuery, Google Analytics.
- Is ucs.org secure (HTTPS)?
- Yes. ucs.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 3, 2026.
- Who hosts ucs.org?
- Hosting provider information for ucs.org is not available yet.
- What is ucs.org's SEO score?
- ucs.org scored 75/100 for SEO in the latest analysis (fair).
- What is ucs.org's overall website score?
- ucs.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has ucs.org's score changed over time?
- ucs.org's overall score has declined by 3 points (from 91 to 88) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card