Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 199.16.173.50 |
| Server Software | nginx |
| CDN | CDN detected (Server-Timing) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (6 HTTP resources) | The page is served over HTTPS but loads 6 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 199.16.173.50
Server Software nginx
CDN CDN detected (Server-Timing)
Compression gzip
🔒 🟡 Mixed Content (6 HTTP resources) The page is served over HTTPS but loads 6 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 22 ms |
| TCP Connect | 23.2 ms |
| TLS Handshake | 4.2 ms |
| Time To First Byte (TTFB) | 227 ms |
| Content Download | 85.2 ms |
| Total Response Time | 312.3 ms |
DNS Lookup 22 ms
TCP Connect 23.2 ms
TLS Handshake 4.2 ms
Time To First Byte (TTFB) 227 ms
Content Download 85.2 ms
Total Response Time 312.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Watts Up With That? - The world's most viewed site on global warming and climate change |
| Canonical | https://wattsupwiththat.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Watts Up With That? |
| Twitter Card | summary |
| Twitter Title | Watts Up With That? |
| Twitter Description | The world's most viewed site on global warming and climate change |
Title Watts Up With That? - The world's most viewed site on global warming and climate change
Canonical https://wattsupwiththat.com/
Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Open Graph Title Watts Up With That?
Twitter Card summary
Twitter Title Watts Up With That?
Twitter Description The world's most viewed site on global warming and climate change
Detected Technologies
| Technology | WordPress Bootstrap jQuery Google Analytics Cloudflare Nginx PHP |
Technology WordPress Bootstrap jQuery Google Analytics Cloudflare Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Wed, 19 Aug 2026 22:17:07 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Strict-transport-security
| max-age=31536000 |
| Vary
| accept, content-type, cookie |
| Last-modified
| Wed, 19 Aug 2026 22:02:58 GMT |
| Cache-control
| max-age=2751, must-revalidate |
| X-nananana
| Batcache-Hit |
| Host-header
| wpcloud |
| Permissions-policy
| private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com") |
| Link
| ; rel=shortlink |
| Server-timing
| a8c-cdn, dc;desc=cdg, cache;desc=MISS;dur=198.0 |
| Content-encoding
| gzip |
| X-ac
| 11.cdg _atomic_ams MISS |
| Alt-svc
| clear |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Google-site-verification | 3BwTBgRAmwfyntjNo8AuANJ-aypaclMot4E0r5QJ8Mw |
| Generator | speculation-rules 1.6.0 |
| Msapplication-TileImage |  |
Server nginx
Date Wed, 19 Aug 2026 22:17:07 GMT
Content-type text/html; charset=UTF-8
Strict-transport-security max-age=31536000
Vary accept, content-type, cookie
Last-modified Wed, 19 Aug 2026 22:02:58 GMT
Cache-control max-age=2751, must-revalidate
X-nananana Batcache-Hit
Host-header wpcloud
Permissions-policy private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")
Link ; rel=shortlink
Server-timing a8c-cdn, dc;desc=cdg, cache;desc=MISS;dur=198.0
Content-encoding gzip
X-ac 11.cdg _atomic_ams MISS
Alt-svc clear
