sciencemag.org
Just a moment...
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Excellent
Top issues to fix
5 issues found · 1 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
Summary
This website is hosted on Cloudflare. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.
SEO
5 issue(s) found
Performance
231 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Meta tags
- Title
- Just a moment...
- Description
- Canonical
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- noindex,nofollow
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.64.146.13
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
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
- www.sciencemag.org
- Valid from
- May 29, 2026
- Valid to
- Aug 27, 2026
- Days until expiry
- 40
- SAN domains
- www.sciencemag.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 0
Links
0 internal · 2 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
3 scripts · 0 stylesheets
JS / CSS size
290 KB · 20.4 KB
Page size
5.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 21
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sciencemag.org
- Final URL
- https://www.sciencemag.org/
- HTTP status
- 403
- HTTP version
- HTTP/2
- Response time
- 231 ms
- HTML size
- 5.4 KB
- Redirect chain
- https://sciencemag.org → https://www.sciencemag.org/
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Frequently asked questions
- What technology does sciencemag.org use?
- We did not detect any specific technologies for sciencemag.org in the latest scan.
- Is sciencemag.org secure (HTTPS)?
- Yes. sciencemag.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Aug 27, 2026.
- Who hosts sciencemag.org?
- sciencemag.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is sciencemag.org's SEO score?
- sciencemag.org scored 65/100 for SEO in the latest analysis (fair).
- What is sciencemag.org's overall website score?
- sciencemag.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card