cas.org
Empowering Innovation & Scientific Discoveries | CAS
Last scanned Aug 2, 2026, 12:00 AM · 8 views
Overall score
Excellent
Summary
CAS provides solutions and services that help empower scientific discoveries. This website uses Google Analytics behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
CAS
CAS provides solutions and services that help empower scientific discoveries. Learn how CAS can facilitate your research and drive innovation.
- 2540 Olentangy River Road, Columbus, OH, 43202, US
Top issues to fix
6 issues found
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
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
3 issue(s) found
Performance
436 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+8 overall since Jul 25, 2026
- Overall
- 94
- SEO
- 85
- Security
- 95
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
CAS
CAS provides solutions and services that help empower scientific discoveries. Learn how CAS can facilitate your research and drive innovation.
- Founded
- Jan 1, 1907
Contact
Email, phone, and address published on this site's own pages.
- help@cas.org
- Address
- 2540 Olentangy River Road, Columbus, OH, 43202, US
Meta tags
- Title
- Empowering Innovation & Scientific Discoveries | CAS
- Description
- CAS provides solutions and services that help empower scientific discoveries. Learn how CAS can facilitate your research and drive innovation.
- Canonical
- https://www.cas.org/
- Language
- en
- 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
- 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
- GoDaddy.com, Inc.
- Subject
- www.cas.org
- Valid from
- Oct 3, 2025
- Valid to
- Oct 3, 2026
- Days until expiry
- 62
- SAN domains
- www-test.cas.org, www.cas.org, cas.org, origin-www.cas.org, solutions.cas.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 4 · H2 11 · H3 3
Links
76 internal · 7 external · 20 broken
Images
16 total · 0 missing alt
Scripts / Styles
47 scripts · 4 stylesheets
JS / CSS size
5.3 KB · 2.0 KB
Page size
133 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cas.org
- Final URL
- https://www.cas.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 434 ms
- HTML size
- 133 KB
- Redirect chain
- https://cas.org → https://www.cas.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cas.org use?
- cas.org is built with jQuery, Google Analytics.
- Is cas.org secure (HTTPS)?
- Yes. cas.org uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Oct 3, 2026.
- Who hosts cas.org?
- Hosting provider information for cas.org is not available yet.
- What is cas.org's SEO score?
- cas.org scored 85/100 for SEO in the latest analysis (great).
- What is cas.org's overall website score?
- cas.org has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- What company operates cas.org?
- cas.org is operated by CAS. CAS provides solutions and services that help empower scientific discoveries. Learn how CAS can facilitate your research and drive innovation.
- Has cas.org's score changed over time?
- cas.org's overall score has improved by 8 points (from 86 to 94) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card