Informations Techniques
| Code de Statut HTTP | 200 |
| Version HTTP | HTTP/1.1 |
| HTTPS | ✔ Disponible |
| Adresse IP | 172.67.69.197 |
| Logiciel Serveur | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Content Security Policy Manquante | CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu. |
Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 172.67.69.197
Logiciel Serveur cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Content Security Policy Manquante CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.
Chaîne de Redirection
| # | URL | Code de Statut HTTP | Statut |
| 1 | https://rff.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.rff.org/ | 200 | HTTP/2 200 |
#1 URL https://rff.org:443
Code de Statut HTTP 301
Statut HTTP/2 301
#2 URL https://www.rff.org/
Code de Statut HTTP 200
Statut HTTP/2 200
Performance
| Résolution DNS | 7.3 ms |
| Connexion TCP | 9.2 ms |
| Négociation TLS | 7.7 ms |
| Temps Jusqu'au Premier Octet (TTFB) | 37.1 ms |
| Téléchargement du Contenu | 8.4 ms |
| Temps de Réponse Total | 45.5 ms |
Résolution DNS 7.3 ms
Connexion TCP 9.2 ms
Négociation TLS 7.7 ms
Temps Jusqu'au Premier Octet (TTFB) 37.1 ms
Téléchargement du Contenu 8.4 ms
Temps de Réponse Total 45.5 ms
Sécurité
| HTTPS | ✔ Activé |
| HSTS | ✔ max-age=15768000 |
| CSP | ⚠ Non configuré |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Politique de Référent | no-referrer-when-downgrade |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Activé
HSTS ✔ max-age=15768000
CSP ⚠ Non configuré
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Politique de Référent no-referrer-when-downgrade
HTTP/2 ⚠ HTTP/1.1
Vérification SEO Rapide
| Titre | Resources for the Future—Healthy Environment, Thriving Economy |
| Meta Description | RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. |
| Titre Open Graph | Resources for the Future |
| Description Open Graph | RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. |
| Image Open Graph | https://media.rff.org/images/blue-on-transparent-logo_Gba... |
| Twitter Card | summary_large_image |
| Titre Twitter | Resources for the Future |
| Description Twitter | RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. |
| Image Twitter | https://media.rff.org/images/blue-on-transparent-logo_Gba... |
Titre Resources for the Future—Healthy Environment, Thriving Economy Meta Description RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. Titre Open Graph Resources for the Future Description Open Graph RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. Image Open Graph https://media.rff.org/images/blue-on-transparent-logo_Gba... Twitter Card summary_large_image Titre Twitter Resources for the Future Description Twitter RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. Image Twitter https://media.rff.org/images/blue-on-transparent-logo_Gba... Technologies Détectées
| Technologie | jQuery Google Analytics Google Tag Manager Cloudflare |
Technologie jQuery Google Analytics Google Tag Manager Cloudflare
En-têtes HTTP
| Date
| Tue, 28 Jul 2026 22:53:54 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cf-ray
| a22776703e504fe6-CDG |
| Cf-cache-status
| HIT |
| Age
| 196 |
| Cache-control
| s-maxage=1800, stale-while-revalidate=30, public |
| Last-modified
| Tue, 28 Jul 2026 22:50:37 GMT |
| Server
| cloudflare |
| Strict-transport-security
| max-age=15768000 |
| Vary
| Cookie, X-Requested-With, X-Forwarded-Proto, Accept-Encoding |
| Via
| 1.1 heroku-router |
| Cross-origin-opener-policy
| same-origin |
| Nel
| {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1} |
| Referrer-policy
| no-referrer-when-downgrade |
| Report-to
| {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=EUtzm8uKgToYNDyfageftSKTaQwWWtsg%2FCXMOvBq9Zc%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1785279037"}],"max_age":3600} |
| Reporting-endpoints
| heroku-nel="https://nel.heroku.com/reports?s=EUtzm8uKgToYNDyfageftSKTaQwWWtsg%2FCXMOvBq9Zc%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1785279037" |
| X-content-type-options
| nosniff |
| X-frame-options
| DENY |
| Content-encoding
| gzip |
Balises Meta
| Description | RFF is an independent, nonprofit research institution in Washington, DC. Our mission is to improve environmental, energy, and natural resource decisions through impartial economic research and policy engagement. |
| Viewport | width=device-width, initial-scale=1 |
| Msapplication-TileColor | #da532c |
| Msapplication-config | /static/images/favicon/browserconfig.4f8d5b38edb6.xml |
| Theme-color | #ffffff |
| Fb:app_id | 2264846597062860 |
Date Tue, 28 Jul 2026 22:53:54 GMT
Content-type text/html; charset=utf-8
Cf-ray a22776703e504fe6-CDG
Cf-cache-status HIT
Age 196
Cache-control s-maxage=1800, stale-while-revalidate=30, public
Last-modified Tue, 28 Jul 2026 22:50:37 GMT
Server cloudflare
Strict-transport-security max-age=15768000
Vary Cookie, X-Requested-With, X-Forwarded-Proto, Accept-Encoding
Via 1.1 heroku-router
Cross-origin-opener-policy same-origin
Nel {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Referrer-policy no-referrer-when-downgrade
Report-to {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=EUtzm8uKgToYNDyfageftSKTaQwWWtsg%2FCXMOvBq9Zc%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1785279037"}],"max_age":3600}
Reporting-endpoints heroku-nel="https://nel.heroku.com/reports?s=EUtzm8uKgToYNDyfageftSKTaQwWWtsg%2FCXMOvBq9Zc%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1785279037"
X-content-type-options nosniff
X-frame-options DENY
Content-encoding gzip
