Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 23.185.0.3 |
| Server Software | nginx |
| CDN | CDN (MISS, MISS) |
| Compression | gzip |
|
🕐 🟡 Slow Response (2645 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
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 23.185.0.3
Server Software nginx
CDN CDN (MISS, MISS)
Compression gzip
🕐 🟡 Slow Response (2645 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
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://adlerplanetarium.org:443 | 301 | HTTP/2 301 |
| 2 | https://www.adlerplanetarium.org/ | 200 | HTTP/2 200 |
#1 URL https://adlerplanetarium.org:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.adlerplanetarium.org/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 29.1 ms |
| TCP Connect | 30.3 ms |
| TLS Handshake | 17.3 ms |
| Time To First Byte (TTFB) | 2392.9 ms |
| Content Download | 252.1 ms |
| Total Response Time | 2645 ms |
DNS Lookup 29.1 ms
TCP Connect 30.3 ms
TLS Handshake 17.3 ms
Time To First Byte (TTFB) 2392.9 ms
Content Download 252.1 ms
Total Response Time 2645 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 | Home - Adler Planetarium |
| Meta Description | Chicago's Adler Planetarium is America's first planetarium and a premiere resource for inspiring the next generation of space explorers. |
| Canonical | https://www.adlerplanetarium.org/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Home - Adler Planetarium |
| Open Graph Description | Chicago's Adler Planetarium is America's first planetarium and a premiere resource for inspiring the next generation of space explorers. |
| Twitter Card | summary_large_image |
Title Home - Adler Planetarium
Meta Description Chicago's Adler Planetarium is America's first planetarium and a premiere resource for inspiring the next generation of space explorers.
Canonical https://www.adlerplanetarium.org/
Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Open Graph Title Home - Adler Planetarium
Open Graph Description Chicago's Adler Planetarium is America's first planetarium and a premiere resource for inspiring the next generation of space explorers.
Twitter Card summary_large_image
Detected Technologies
| Technology | WordPress Google Analytics Google Tag Manager Nginx |
Technology WordPress Google Analytics Google Tag Manager Nginx
HTTP Headers
| Cache-control
| public, max-age=604800 |
| Content-encoding
| gzip |
| Content-type
| text/html; charset=UTF-8 |
| Link
| ; rel=shortlink |
| Server
| nginx |
| Set-cookie
| pll_language=en; expires=Mon, 23 Aug 2027 17:05:27 GMT; Max-Age=31536000; path=/; secure; SameSite=Lax |
| X-pantheon-styx-hostname
| styx-us-a-55f5b7b84b-czdqm |
| X-powered-by
| Acorn 5.1.1 (Laravel 12.54.1) |
| X-styx-req-id
| d65e3fc1-9f14-11f1-b228-ba2de4e479a1 |
| Date
| Sun, 23 Aug 2026 17:05:29 GMT |
| X-served-by
| cache-chi-kigq8000051-CHI, cache-par-lfpg1960025-PAR |
| X-cache
| MISS, MISS |
| X-cache-hits
| 0, 0 |
| X-timer
| S1787504727.922688,VS0,VE2341 |
| Vary
| Accept-Encoding, Cookie, Cookie |
| Age
| 0 |
| Accept-ranges
| bytes |
| Via
| 1.1 varnish, 1.1 varnish |
Meta Tags
| X-ua-compatible | ie=edge |
| 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 | Chicago's Adler Planetarium is America's first planetarium and a premiere resource for inspiring the next generation of space explorers. |
| Article:modified_time | 2026-08-13T19:06:07+00:00 |
| Msapplication-TileImage |  |
| Apple-mobile-web-app-title | Adler Planetarium |
Cache-control public, max-age=604800
Content-encoding gzip
Content-type text/html; charset=UTF-8
Link ; rel=shortlink
Server nginx
Set-cookie pll_language=en; expires=Mon, 23 Aug 2027 17:05:27 GMT; Max-Age=31536000; path=/; secure; SameSite=Lax
X-pantheon-styx-hostname styx-us-a-55f5b7b84b-czdqm
X-powered-by Acorn 5.1.1 (Laravel 12.54.1)
X-styx-req-id d65e3fc1-9f14-11f1-b228-ba2de4e479a1
Date Sun, 23 Aug 2026 17:05:29 GMT
X-served-by cache-chi-kigq8000051-CHI, cache-par-lfpg1960025-PAR
X-cache MISS, MISS
X-cache-hits 0, 0
X-timer S1787504727.922688,VS0,VE2341
Vary Accept-Encoding, Cookie, Cookie
Age 0
Accept-ranges bytes
Via 1.1 varnish, 1.1 varnish
