Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.248.147.208 |
| Server Software | nginx |
| CDN | CDN (Miss from cloudfront) |
| Compression | gzip |
|
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 13.248.147.208
Server Software nginx
CDN CDN (Miss from cloudfront)
Compression gzip
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://nao.org.uk:443 | 301 | HTTP/2 301 |
| 2 | https://www.nao.org.uk:443/ | 200 | HTTP/2 200 |
#1 URL https://nao.org.uk:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.nao.org.uk:443/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 22.8 ms |
| TCP Connect | 24 ms |
| TLS Handshake | 9.3 ms |
| Time To First Byte (TTFB) | 641.9 ms |
| Content Download | 0.5 ms |
| Total Response Time | 642.3 ms |
DNS Lookup 22.8 ms
TCP Connect 24 ms
TLS Handshake 9.3 ms
Time To First Byte (TTFB) 641.9 ms
Content Download 0.5 ms
Total Response Time 642.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubdomains; preload |
| CSP | ✔ 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 ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Home - National Audit Office |
| Meta Description | The UK’s independent public spending watchdog. We support Parliament to hold the government to account and we help improve public services. |
| Canonical | https://www.nao.org.uk/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Home - National Audit Office |
| Open Graph Description | The UK’s independent public spending watchdog. We support Parliament to hold the government to account and we help improve public services. |
| Open Graph Image | https://www.nao.org.uk/wp-content/uploads/2025/07/portcul... |
| Twitter Card | summary_large_image |
Title Home - National Audit Office Meta Description The UK’s independent public spending watchdog. We support Parliament to hold the government to account and we help improve public services. Canonical https://www.nao.org.uk/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Home - National Audit Office Open Graph Description The UK’s independent public spending watchdog. We support Parliament to hold the government to account and we help improve public services. Open Graph Image https://www.nao.org.uk/wp-content/uploads/2025/07/portcul... Twitter Card summary_large_image Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Content-type
| text/html; charset=UTF-8 |
| Date
| Thu, 20 Aug 2026 09:59:07 GMT |
| Strict-transport-security
| max-age=31536000; includeSubdomains; preload |
| Content-encoding
| gzip |
| Server
| nginx |
| Content-security-policy
| default-src https: wss: 'self' data:; font-src https: 'self' data:; img-src https: 'self' data:; script-src https: 'self' data: 'unsafe-inline' 'unsafe-eval'; style-src https: 'self' 'unsafe-inline'; frame-src https: 'self' data: blob:; frame-ancestors 'self' https://intranet.nao.org.uk; |
| Cache-control
| public, must-revalidate, max-age=7200, s-maxage=7200 |
| Expires
| Thu, 20 Aug 2026 11:59:07 GMT |
| X-tid
| 9b90d849846b48c29132c7c40fd40b69 |
| X-hid
| 579045fb6d26 |
| X-cache
| Miss from cloudfront |
| Via
| 1.1 d9d04e236953586432ec9a58f20c1ff6.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P6 |
| Alt-svc
| h3=":443"; ma=86400 |
| X-amz-cf-id
| zojXOu59Obo24hmplHqgc19jdmr3dPD4KPgRs12ZX9l5gFoBZzhehQ== |
Meta Tags
| Viewport | width=device-width, initial-scale=1, viewport-fit=cover |
| Theme-color | #ffffff |
| Google-site-verification | pPlmNLhgLyhzZGSpLepayqUSmbQ7evnY6UIjSq4ZKA8 |
| X-UA-Compatible | IE=edge |
| Msapplication-TileColor | #ffffff |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | The UK’s independent public spending watchdog. We support Parliament to hold the government to account and we help improve public services. |
| Article:modified_time | 2026-08-04T08:50:27+00:00 |
Content-type text/html; charset=UTF-8
Date Thu, 20 Aug 2026 09:59:07 GMT
Strict-transport-security max-age=31536000; includeSubdomains; preload
Content-encoding gzip
Server nginx
Content-security-policy default-src https: wss: 'self' data:; font-src https: 'self' data:; img-src https: 'self' data:; script-src https: 'self' data: 'unsafe-inline' 'unsafe-eval'; style-src https: 'self' 'unsafe-inline'; frame-src https: 'self' data: blob:; frame-ancestors 'self' https://intranet.nao.org.uk;
Cache-control public, must-revalidate, max-age=7200, s-maxage=7200
Expires Thu, 20 Aug 2026 11:59:07 GMT
X-tid 9b90d849846b48c29132c7c40fd40b69
X-hid 579045fb6d26
X-cache Miss from cloudfront
Via 1.1 d9d04e236953586432ec9a58f20c1ff6.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P6
Alt-svc h3=":443"; ma=86400
X-amz-cf-id zojXOu59Obo24hmplHqgc19jdmr3dPD4KPgRs12ZX9l5gFoBZzhehQ==