Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 188.114.96.2 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
🔒 🟡 Mixed Content (2 HTTP resources) | The page is served over HTTPS but loads 2 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 188.114.96.2
Server Software cloudflare
CDN Cloudflare
Compression gzip
🔒 🟡 Mixed Content (2 HTTP resources) The page is served over HTTPS but loads 2 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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://sciencefriday.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.sciencefriday.com/ | 200 | HTTP/2 200 |
#1 URL https://sciencefriday.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.sciencefriday.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 23.4 ms |
| TCP Connect | 25 ms |
| TLS Handshake | 9.2 ms |
| Time To First Byte (TTFB) | 60 ms |
| Content Download | 1.9 ms |
| Total Response Time | 61.9 ms |
DNS Lookup 23.4 ms
TCP Connect 25 ms
TLS Handshake 9.2 ms
Time To First Byte (TTFB) 60 ms
Content Download 1.9 ms
Total Response Time 61.9 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not 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
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Science Friday |
| Meta Description | Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. |
| Canonical | https://www.sciencefriday.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | ScienceFriday.com |
| Open Graph Description | Your trusted source for news and entertaining stories about science. |
| Twitter Card | summary_large_image |
| Twitter Title | ScienceFriday.com |
| Twitter Description | Brain fun, for curious people. |
| Twitter Image | http://www.sciencefriday.com/wp-content/uploads/2015/10/S... |
Title Science Friday Meta Description Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. Canonical https://www.sciencefriday.com/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title ScienceFriday.com Open Graph Description Your trusted source for news and entertaining stories about science. Twitter Card summary_large_image Twitter Title ScienceFriday.com Twitter Description Brain fun, for curious people. Twitter Image http://www.sciencefriday.com/wp-content/uploads/2015/10/S... Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Cloudflare PHP
HTTP Headers
| Date
| Thu, 20 Aug 2026 07:52:40 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Server
| cloudflare |
| Vary
| Accept-Encoding, accept, content-type |
| X-hacker
| If you're reading this, you should visit https://join.a8c.com/viphacker and apply to join the fun, mention this header. |
| X-powered-by
| WordPress VIP |
| Host-header
| a9130478a60e5f9135f765b23f26593b |
| Link
| ; rel=shortlink |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=K0IZlART7A0Q6BSxqRSR7yyMZVx232q7aeo5oeXqCVNlxsDcYKkQlshvZXfARFmRImREOsHTuPzYwtOB2rELvmOw2AKvzYxYLkzN0IBO%2Fi7UFkOcC9RiLBFgmrYfaos9FLKfPUsLW7oE4wpuq9b70Wt9dXQ%3D"}]} |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| X-rq
| cdg2 0 30 9980 |
| Cache-control
| max-age=300, must-revalidate |
| X-cache
| STALE |
| Strict-transport-security
| max-age=31536000 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2dfd1e2282c9a29-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Msapplication-TileColor | #da532c |
| Msapplication-TileImage |  |
| Theme-color | #ffffff |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff. |
| Article:publisher | https://www.facebook.com/scifri |
| Article:modified_time | 2026-08-19T13:36:53+00:00 |
| Generator | Seriously Simple Podcasting 3.16.3 |
| Facebook-domain-verification | 5iznbqpuetsdttvleflp2ictpont6w |
| P:domain_verify | 4b808eb924267e679f961f8703b88d63 |
Date Thu, 20 Aug 2026 07:52:40 GMT
Content-type text/html; charset=UTF-8
Server cloudflare
Vary Accept-Encoding, accept, content-type
X-hacker If you're reading this, you should visit https://join.a8c.com/viphacker and apply to join the fun, mention this header.
X-powered-by WordPress VIP
Host-header a9130478a60e5f9135f765b23f26593b
Link ; rel=shortlink
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=K0IZlART7A0Q6BSxqRSR7yyMZVx232q7aeo5oeXqCVNlxsDcYKkQlshvZXfARFmRImREOsHTuPzYwtOB2rELvmOw2AKvzYxYLkzN0IBO%2Fi7UFkOcC9RiLBFgmrYfaos9FLKfPUsLW7oE4wpuq9b70Wt9dXQ%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
X-rq cdg2 0 30 9980
Cache-control max-age=300, must-revalidate
X-cache STALE
Strict-transport-security max-age=31536000
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2dfd1e2282c9a29-CDG
Alt-svc h3=":443"; ma=86400
