Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.18.31.156 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 104.18.31.156
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://nationalgallery.org.uk:443 | 302 | HTTP/2 302 |
| 2 | https://www.nationalgallery.org.uk/ | 200 | HTTP/2 200 |
#1 URL https://nationalgallery.org.uk:443
HTTP Status Code 302
Status HTTP/2 302
#2 URL https://www.nationalgallery.org.uk/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 29.3 ms |
| TCP Connect | 31.3 ms |
| TLS Handshake | 12 ms |
| Time To First Byte (TTFB) | 201.1 ms |
| Content Download | 0.5 ms |
| Total Response Time | 201.6 ms |
DNS Lookup 29.3 ms
TCP Connect 31.3 ms
TLS Handshake 12 ms
Time To First Byte (TTFB) 201.1 ms
Content Download 0.5 ms
Total Response Time 201.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=0; preload |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ sameorigin |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=0; preload
CSP ⚠ Not configured
X-Frame-Options ✔ sameorigin
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The National Gallery, London |
| Meta Description | The Nation's Gallery. The story of European art, masterpiece by masterpiece. |
| Canonical | https://www.nationalgallery.org.uk/ |
Title The National Gallery, London
Meta Description The Nation's Gallery. The story of European art, masterpiece by masterpiece.
Canonical https://www.nationalgallery.org.uk/
Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare Node.js |
Technology Google Analytics Google Tag Manager Cloudflare Node.js
HTTP Headers
| Date
| Mon, 31 Aug 2026 02:59:00 GMT |
| Content-type
| text/html; charset=utf-8 |
| Vary
| Accept-Encoding |
| Set-cookie
| FGTServer=25BB7C38000C66CB4AF33927C506AADD31573ED70F9B4956E24D77677EEB3C37C51DA0AB9BFB24B763FC2AFA264C6B1E50; Version=1; Max-Age=3600; Path=/ |
| Ng-server
| 1 |
| X-ua-compatible
| IE=edge |
| X-frame-options
| sameorigin |
| X-content-type-options
| nosniff |
| Strict-transport-security
| max-age=0; preload |
| X-xss-protection
| 1; mode=block |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Server
| cloudflare |
| Cf-ray
| a338c6d74836d09b-CDG |
Meta Tags
| Viewport | width=device-width, initial-scale=1, shrink-to-fit=no |
| Description | The Nation's Gallery. The story of European art, masterpiece by masterpiece. |
| Keywords | Open daily, free entry, Trafalgar Square, Central London, UK, art, museum, gallery, paintings, old masters, history, Europe, exhibitions, events, shop, learn, read, watch, Membership, virtual tour, British Gallery, natural gallery, nationalgallery, family day trip, day trip, outing, culture |
| Thumbnail |  |
| Author | The National Gallery, London |
Date Mon, 31 Aug 2026 02:59:00 GMT
Content-type text/html; charset=utf-8
Vary Accept-Encoding
Set-cookie FGTServer=25BB7C38000C66CB4AF33927C506AADD31573ED70F9B4956E24D77677EEB3C37C51DA0AB9BFB24B763FC2AFA264C6B1E50; Version=1; Max-Age=3600; Path=/
Ng-server 1
X-ua-compatible IE=edge
X-frame-options sameorigin
X-content-type-options nosniff
Strict-transport-security max-age=0; preload
X-xss-protection 1; mode=block
Cf-cache-status DYNAMIC
Content-encoding gzip
Server cloudflare
Cf-ray a338c6d74836d09b-CDG
