spaceweather.gov
Homepage | NOAA / NWS Space Weather Prediction Center
Last scanned Jul 26, 2026, 5:25 AM
Overall score
Great
Summary
This website uses Apache hosted on AWS behind CloudFront CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.
- United States
- Hosted on AWS
Top issues to fix
7 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
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
5 issue(s) found
Performance
1.70 s
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.
Meta tags
- Title
- Homepage | NOAA / NWS Space Weather Prediction Center
- Description
- Canonical
- http://www.spaceweather.gov/homepage
- 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
- AWS
- CDN provider
- CloudFront
- IP address
- 18.67.195.32
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- www.spaceweather.gov
- Valid from
- May 15, 2026
- Valid to
- Nov 28, 2026
- Days until expiry
- 123
- SAN domains
- www.spaceweather.gov
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 0
Links
115 internal · 17 external · 1 broken
Images
26 total · 0 missing alt
Scripts / Styles
39 scripts · 53 stylesheets
JS / CSS size
401 KB · 6.8 KB
Page size
91.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- 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
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://spaceweather.gov
- Final URL
- https://www.spaceweather.gov/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.70 s
- HTML size
- 91.2 KB
- Redirect chain
- https://spaceweather.gov → https://www.spaceweather.gov/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does spaceweather.gov use?
- spaceweather.gov is built with Drupal, Bootstrap, jQuery, Google Analytics, Apache.
- Is spaceweather.gov secure (HTTPS)?
- Yes. spaceweather.gov uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 28, 2026.
- Who hosts spaceweather.gov?
- spaceweather.gov is hosted on AWS, behind CloudFront CDN.
- What is spaceweather.gov's SEO score?
- spaceweather.gov scored 60/100 for SEO in the latest analysis (fair).
- What is spaceweather.gov's overall website score?
- spaceweather.gov has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card