Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.67.69.197 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.67.69.197
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://rff.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.rff.org/ | 200 | HTTP/2 200 |
#1 URL https://rff.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.rff.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 23.1 ms |
| TCP Connect | 24.8 ms |
| TLS Handshake | 10.3 ms |
| Time To First Byte (TTFB) | 55.7 ms |
| Content Download | 8.9 ms |
| Total Response Time | 64.6 ms |
DNS Lookup 23.1 ms
TCP Connect 24.8 ms
TLS Handshake 10.3 ms
Time To First Byte (TTFB) 55.7 ms
Content Download 8.9 ms
Total Response Time 64.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=15768000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | no-referrer-when-downgrade |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=15768000
CSP ⚠ Not configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
Referrer Policy no-referrer-when-downgrade
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 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. |
| Open Graph Title | Resources for the Future |
| Open Graph 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. |
| Open Graph Image | https://media.rff.org/images/blue-on-transparent-logo_Gba... |
| Twitter Card | summary_large_image |
| Twitter Title | Resources for the Future |
| Twitter 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. |
| Twitter Image | https://media.rff.org/images/blue-on-transparent-logo_Gba... |
Title 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. Open Graph Title Resources for the Future Open Graph 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. Open Graph Image https://media.rff.org/images/blue-on-transparent-logo_Gba... Twitter Card summary_large_image Twitter Title Resources for the Future Twitter 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. Twitter Image https://media.rff.org/images/blue-on-transparent-logo_Gba... Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare |
Technology jQuery Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Thu, 23 Jul 2026 01:05:50 GMT |
| Content-type
| text/html; charset=utf-8 |
| Cf-ray
| a1f6c7758cef7016-CDG |
| Cf-cache-status
| HIT |
| Age
| 1393 |
| Cache-control
| s-maxage=1800, stale-while-revalidate=30, public |
| Last-modified
| Thu, 23 Jul 2026 00:42:37 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=fmQWZ5nZDU9N3T1AqLXuhW0sQbetzlfvaN76T1PiKiQ%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1784767356"}],"max_age":3600} |
| Reporting-endpoints
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| X-content-type-options
| nosniff |
| X-frame-options
| DENY |
| Content-encoding
| gzip |
Meta Tags
| 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 Thu, 23 Jul 2026 01:05:50 GMT
Content-type text/html; charset=utf-8
Cf-ray a1f6c7758cef7016-CDG
Cf-cache-status HIT
Age 1393
Cache-control s-maxage=1800, stale-while-revalidate=30, public
Last-modified Thu, 23 Jul 2026 00:42:37 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=fmQWZ5nZDU9N3T1AqLXuhW0sQbetzlfvaN76T1PiKiQ%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1784767356"}],"max_age":3600}
Reporting-endpoints heroku-nel="https://nel.heroku.com/reports?s=fmQWZ5nZDU9N3T1AqLXuhW0sQbetzlfvaN76T1PiKiQ%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1784767356"
X-content-type-options nosniff
X-frame-options DENY
Content-encoding gzip
