ecmwf.int
ECMWF | Advancing global NWP through international collaboration
Last scanned Jul 25, 2026, 6:25 AM · 4 views
Overall score
Great
Summary
ECMWF is the European Centre for Medium-Range Weather Forecasts. This website uses Nginx hosted on AWS. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Title longer than 60 characters.
ECMWF is the European Centre for Medium-Range Weather Forecasts. We are both a research institute and a 24/7 operational service, producing global numerical weather predictions and other data for our Member and Co-operating States and the broader community. The Centre has one of the largest supercomputer facilities and meteorological data archives in the world
- United States
- Hosted on AWS
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
4 issue(s) found
Performance
293 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
ECMWF is the European Centre for Medium-Range Weather Forecasts. We are both a research institute and a 24/7 operational service, producing global numerical weather predictions and other data for our Member and Co-operating States and the broader community. The Centre has one of the largest supercomputer facilities and meteorological data archives in the world
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.ecmwf.int/en/support
Meta tags
- Title
- ECMWF | Advancing global NWP through international collaboration
- Description
- ECMWF is the European Centre for Medium-Range Weather Forecasts. We are both a research institute and a 24/7 operational service, producing global numerical weather predictions and other data for our Member and Co-operating States and the broader community. The Centre has one of the largest supercomputer facilities and meteorological data archives in the world
- Canonical
- https://www.ecmwf.int/
- 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
- —
- IP address
- 54.73.72.151
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA |
|
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- www.ecmwf.int
- Valid from
- Nov 11, 2025
- Valid to
- Nov 11, 2026
- Days until expiry
- 109
- SAN domains
- www.ecmwf.int, www.www.ecmwf.int, ecmwf.int, stage.ecmwf.int, www.stage.ecmwf.int, cmsdev.ecmwf.int, www.cmsdev.ecmwf.int
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 14 · H3 6
Links
60 internal · 20 external · 0 broken
Images
19 total · 0 missing alt
Scripts / Styles
12 scripts · 5 stylesheets
JS / CSS size
323 KB · 548 KB
Page size
940 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Careers
| Role | Location | Posted |
|---|---|---|
| Employment conditions | — | — |
| Equal opportunities | — | — |
| Working at ECMWF | — | — |
| Life at ECMWF | — | — |
Scan details
- Requested URL
- https://ecmwf.int
- Final URL
- https://www.ecmwf.int/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 274 ms
- HTML size
- 940 KB
- Redirect chain
- https://ecmwf.int → https://www.ecmwf.int/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ecmwf.int use?
- ecmwf.int is built with Drupal, Nginx.
- Is ecmwf.int secure (HTTPS)?
- Yes. ecmwf.int uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 11, 2026.
- Who hosts ecmwf.int?
- ecmwf.int is hosted on AWS.
- What is ecmwf.int's SEO score?
- ecmwf.int scored 75/100 for SEO in the latest analysis (fair).
- What is ecmwf.int's overall website score?
- ecmwf.int has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Is ecmwf.int hiring?
- Yes. ecmwf.int has 4 open roles listed on their careers page.
OpenGraph & Twitter Card
OpenGraph
Twitter Card