Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 18.244.28.22 |
| CDN | CDN (Miss from cloudfront) |
| Compression | gzip |
|
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 18.244.28.22
CDN CDN (Miss from cloudfront)
Compression gzip
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://iflscience.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.iflscience.com/ | 200 | HTTP/2 200 |
#1 URL https://iflscience.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.iflscience.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 17.6 ms |
| TCP Connect | 18.6 ms |
| TLS Handshake | 7.2 ms |
| Time To First Byte (TTFB) | 141.4 ms |
| Content Download | 1.9 ms |
| Total Response Time | 143.3 ms |
DNS Lookup 17.6 ms
TCP Connect 18.6 ms
TLS Handshake 7.2 ms
Time To First Byte (TTFB) 141.4 ms
Content Download 1.9 ms
Total Response Time 143.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains; preload |
| 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; includeSubDomains; preload
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The Lighter Side of Science | IFLScience |
| Meta Description | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Canonical | https://www.iflscience.com/ |
| Robots Meta | max-image-preview:large |
| Open Graph Title | The Lighter Side of Science | IFLScience |
| Open Graph Description | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Open Graph Image | https://assets.iflscience.com/2.25.4/favicon/iflscience_l... |
| Twitter Card | summary_large_image |
| Twitter Title | The Lighter Side of Science | IFLScience |
| Twitter Description | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| Twitter Image | https://assets.iflscience.com/2.25.4/favicon/iflscience_l... |
Title The Lighter Side of Science | IFLScience Meta Description We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Canonical https://www.iflscience.com/ Robots Meta max-image-preview:large Open Graph Title The Lighter Side of Science | IFLScience Open Graph Description We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Open Graph Image https://assets.iflscience.com/2.25.4/favicon/iflscience_l... Twitter Card summary_large_image Twitter Title The Lighter Side of Science | IFLScience Twitter Description We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. Twitter Image https://assets.iflscience.com/2.25.4/favicon/iflscience_l... Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare |
Technology Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Date
| Thu, 20 Aug 2026 12:43:59 GMT |
| Content-encoding
| gzip |
| Etag
| W/"29387-Yp4bWUJa1zAtYf0o/hloEI5Arx8" |
| Access-control-allow-origin
| * |
| Cache-control
| public, max-age=300, s-maxage=300, stale-while-revalidate=1800, stale-if-error=86400 |
| Vary
| Accept-Encoding |
| X-cache
| Miss from cloudfront |
| Via
| 1.1 5f4f23e5013b3049948ead330499c1a2.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P3 |
| Alt-svc
| h3=":443"; ma=86400 |
| X-amz-cf-id
| l_Pp5WlR_aEsYXsoQ6KmDNYACDpCjfy08_TgRUTYc8rJajHZc6oxtg== |
| Strict-transport-security
| max-age=31536000; includeSubDomains; preload |
Meta Tags
| Description | We’re dedicated to entertaining, educating, and sparking curiosity about the world around us – and beyond. |
| X-UA-Compatible | IE=edge |
| Viewport | width=device-width, initial-scale=1.0 |
| Msapplication-TileColor | #da532c |
| Theme-color | #ffffff |
| Robots | max-image-preview:large |
| Ifls-version | 2.25.4 |
| Apple-mobile-web-app-status-bar-style | black |
| Apple-mobile-web-app-capable | yes |
| Fb:pages | 367116489976035 |
| Mobile-web-app-capable | yes |
| Fb:app_id | 1847617632182481 |
| Fb:use_automatic_ad_placement | enable=true |
Content-type text/html; charset=utf-8
Date Thu, 20 Aug 2026 12:43:59 GMT
Content-encoding gzip
Etag W/"29387-Yp4bWUJa1zAtYf0o/hloEI5Arx8"
Access-control-allow-origin *
Cache-control public, max-age=300, s-maxage=300, stale-while-revalidate=1800, stale-if-error=86400
Vary Accept-Encoding
X-cache Miss from cloudfront
Via 1.1 5f4f23e5013b3049948ead330499c1a2.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P3
Alt-svc h3=":443"; ma=86400
X-amz-cf-id l_Pp5WlR_aEsYXsoQ6KmDNYACDpCjfy08_TgRUTYc8rJajHZc6oxtg==
Strict-transport-security max-age=31536000; includeSubDomains; preload
