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wmo.int

Homepage | World Meteorological Organization WMO

Last scanned Jul 29, 2026, 6:00 PM · 11 views

85

Overall score

Great

Summary

A specialized agency of the United Nations whose mandate covers weather, climate and water resources. This website uses Nginx behind Fastly CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.

Top issues to fix

7 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

+1 more issue — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

848 ms

90

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 21, 2026

Overall
85
SEO
65
Security
90
Performance
100
Accessibility
90

Organization

Company details published in this site's own structured data.

A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.

Meta tags

Title
Homepage | World Meteorological Organization WMO
Description
A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.
Canonical
https://wmo.int/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest
https://wmo.int/themes/custom/server_theme/dist/images/favicons//site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
World Meteorological Organization
og:description
A specialized agency of the United Nations whose mandate covers weather, climate and water resources. The UN’s scientific voice on the state and behaviour of our atmosphere and climate.
og:type
website
og:url
https://wmo.int/

Twitter Card

twitter:card
summary
twitter:title
World Meteorological Organization
twitter:description
News from the World Meteorological Organization and WMO Members.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Fastly
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
earlywarnings4all.org
Valid from
Jul 18, 2026
Valid to
Oct 16, 2026
Days until expiry
78
SAN domains
amcomet.wmo.int, beta.wmo.int, community.wmo.int, earlywarnings4all.org, earlywarningsforall.org, ew4all.org, extreme-records.wmo.int, g3w.wmo.int, gcos.wmo.int, gfcs.wmo.int, gsics.wmo.int, hydrohub.wmo.int, iclimateaction.org, ig3is.wmo.int, ppe-openplatform.wmo.int, public.wmo.int, wmo.ch, wmo.int, www.earlywarnings4all.org, www.earlywarningsforall.org, www.ew4all.org, www.iclimateaction.org, www.wmo.ch, www.wmo.int

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 7 · H3 0

Links

61 internal · 10 external · 20 broken

Images

25 total · 0 missing alt

Scripts / Styles

9 scripts · 6 stylesheets

JS / CSS size

3.1 KB · 0 B

Page size

127 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 H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://wmo.int
Final URL
https://wmo.int
HTTP status
200
HTTP version
HTTP/2
Response time
846 ms
HTML size
127 KB
Redirect chain
https://wmo.int

See something wrong on this report? Request a correction

Frequently asked questions

What technology does wmo.int use?
wmo.int is built with Drupal, jQuery, Nginx.
Is wmo.int secure (HTTPS)?
Yes. wmo.int uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 16, 2026.
Who hosts wmo.int?
Hosting provider information for wmo.int is not available yet.
What is wmo.int's SEO score?
wmo.int scored 65/100 for SEO in the latest analysis (fair).
What is wmo.int's overall website score?
wmo.int has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
Has wmo.int's score changed over time?
wmo.int's overall score has declined by 3 points (from 88 to 85) since Jul 21, 2026.