iisd.org
International Institute for Sustainable Development
Last scanned Aug 1, 2026, 3:00 PM · 8 views
Overall score
Great
Summary
IISD is an award-winning independent think tank working to create a world where people and the planet thrive. This website uses Drupal behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: No H1 heading found.
IISD is an award-winning independent think tank working to create a world where people and the planet thrive.
Top issues to fix
7 issues found · 3 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.
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.
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.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
889 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 84
- SEO
- 70
- Security
- 80
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
IISD is an award-winning independent think tank working to create a world where people and the planet thrive.
Meta tags
- Title
- International Institute for Sustainable Development
- Description
- IISD is an award-winning independent think tank working to create a world where people and the planet thrive.
- Canonical
- https://www.iisd.org/
- 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
- —
- 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
- Google Trust Services
- Subject
- www.iisd.org
- Valid from
- Jul 14, 2026
- Valid to
- Oct 12, 2026
- Days until expiry
- 71
- SAN domains
- www.iisd.org
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 0 · H2 8 · H3 19
Links
47 internal · 17 external · 20 broken
Images
19 total · 0 missing alt
Scripts / Styles
29 scripts · 49 stylesheets
JS / CSS size
15.2 KB · 3.2 KB
Page size
119 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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://iisd.org
- Final URL
- https://www.iisd.org:443/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 887 ms
- HTML size
- 119 KB
- Redirect chain
- https://iisd.org → https://www.iisd.org:443/
See something wrong on this report? Request a correction
Related websites
Same technology stack
yotel.com
YOTEL | Book Direct for Exclusive Discounts
ipsos.com.tr
Ipsos | Pazarlama ve Kamuoyu Araştırmaları Global Uzmanı
aau.edu
Association of American Universities (AAU)
acleddata.com
ACLED
ipsos.com
Ipsos | Global Market Research and Public Opinion Specialist
ipsosinteractive.com
Ipsos | Global Market Research and Public Opinion Specialist
Frequently asked questions
- What technology does iisd.org use?
- iisd.org is built with Drupal, jQuery, Google Analytics, Cloudflare Analytics.
- Is iisd.org secure (HTTPS)?
- Yes. iisd.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 12, 2026.
- Who hosts iisd.org?
- Hosting provider information for iisd.org is not available yet.
- What is iisd.org's SEO score?
- iisd.org scored 70/100 for SEO in the latest analysis (fair).
- What is iisd.org's overall website score?
- iisd.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has iisd.org's score changed over time?
- iisd.org's overall score has declined by 3 points (from 87 to 84) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card