Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 192.0.66.194 |
| Server Software | nginx |
| CDN | CDN (HIT) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
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 192.0.66.194
Server Software nginx
CDN CDN (HIT)
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
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://popsci.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.popsci.com/ | 200 | HTTP/2 200 |
#1 URL https://popsci.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.popsci.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 10.4 ms |
| TCP Connect | 11.7 ms |
| TLS Handshake | 9.9 ms |
| Time To First Byte (TTFB) | 25.3 ms |
| Content Download | 1.4 ms |
| Total Response Time | 26.6 ms |
DNS Lookup 10.4 ms
TCP Connect 11.7 ms
TLS Handshake 9.9 ms
Time To First Byte (TTFB) 25.3 ms
Content Download 1.4 ms
Total Response Time 26.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Popular Science | Science and Technology Stories Since 1872 |
| Meta Description | Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, for over 150 years strong. |
| Canonical | https://www.popsci.com/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Popular Science Homepage |
| Open Graph Description | Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, for over 150 years strong. |
| Open Graph Image | https://www.popsci.com/wp-content/uploads/2021/03/06/pop-... |
| Twitter Card | summary_large_image |
| Twitter Title | Home |
Title Popular Science | Science and Technology Stories Since 1872 Meta Description Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, for over 150 years strong. Canonical https://www.popsci.com/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Popular Science Homepage Open Graph Description Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, for over 150 years strong. Open Graph Image https://www.popsci.com/wp-content/uploads/2021/03/06/pop-... Twitter Card summary_large_image Twitter Title Home Detected Technologies
| Technology | WordPress Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Thu, 23 Jul 2026 16:47:45 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding, accept, content-type |
| Host-header
| a9130478a60e5f9135f765b23f26593b |
| Content-encoding
| gzip |
| X-rq
| cdg2 0 30 9980 |
| Accept-ranges
| bytes |
| Cache-control
| max-age=1800 |
| X-cache
| HIT |
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 |
| Description | Awe-inspiring science reporting, technology news, and DIY projects. Skunks to space robots, primates to climates. That's Popular Science, for over 150 years strong. |
| Article:publisher | https://www.facebook.com/PopSci/ |
| Msapplication-TileImage |  |
Server nginx
Date Thu, 23 Jul 2026 16:47:45 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding, accept, content-type
Host-header a9130478a60e5f9135f765b23f26593b
Content-encoding gzip
X-rq cdg2 0 30 9980
Accept-ranges bytes
Cache-control max-age=1800
X-cache HIT
