Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 159.60.142.33 |
| Server Software | volt-adc |
| 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 159.60.142.33
Server Software volt-adc
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://ordnancesurvey.co.uk:443 | 301 | HTTP/2 301 |
| 2 | https://www.ordnancesurvey.co.uk/ | 200 | HTTP/2 200 |
#1 URL https://ordnancesurvey.co.uk:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.ordnancesurvey.co.uk/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 10.4 ms |
| TCP Connect | 11.4 ms |
| TLS Handshake | 5.3 ms |
| Time To First Byte (TTFB) | 58.6 ms |
| Content Download | 8.5 ms |
| Total Response Time | 67.1 ms |
DNS Lookup 10.4 ms
TCP Connect 11.4 ms
TLS Handshake 5.3 ms
Time To First Byte (TTFB) 58.6 ms
Content Download 8.5 ms
Total Response Time 67.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=15768000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=15768000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Meta Description | Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence. |
| Canonical | https://www.ordnancesurvey.co.uk/ |
| Robots Meta | index, follow |
| Open Graph Title | Ordnance Survey | Great Britain's national mapping service |
| Open Graph Description | Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence. |
| Open Graph Image | https://www.ordnancesurvey.co.uk/img-assets/banners/homep... |
| Twitter Card | summary |
Meta Description Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence. Canonical https://www.ordnancesurvey.co.uk/ Robots Meta index, follow Open Graph Title Ordnance Survey | Great Britain's national mapping service Open Graph Description Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence. Open Graph Image https://www.ordnancesurvey.co.uk/img-assets/banners/homep... Twitter Card summary Detected Technologies
| Technology | Google Analytics PHP |
Technology Google Analytics PHP
HTTP Headers
| Content-type
| text/html; charset=utf-8 |
| Date
| Tue, 28 Jul 2026 21:38:11 GMT |
| Access-control-allow-credentials
| true |
| Surrogate-control
| max-age=3600 |
| X-is-iis-fallback
| false |
| Request-handler-metrics
| routeInfoFetch: 17 ms (nodeLookup: 2ms, getRouteInfoFetch: 14ms), generalRequestFetch: 881 ms, fallbackRequest 0 ms |
| X-version-no
| 344 |
| Alt-svc
| h3=":443";ma=60; |
| X-origin-server
| backend-coordinator |
| X-host
| live-osweb-ordnancesurvey.cloud.contensis.com |
| X-varnish-authentication
| true |
| X-grace
| 72h |
| X-backend-ttl
| 3600.000 |
| Content-encoding
| gzip |
| Vary
| Accept-Encoding |
| X-varnish
| 236589486 251137944 |
| X-contensis-groups-authenticated
| |0| |
| X-authcache-status
| NotAuthenticated |
| X-contensis-viewer-groups
| 0 |
| Debug-project
| |
| Debug-delivery-api-viewer-group
| |
| X-authcache-get-key
| skip |
| X-contensis-authorised
| True |
| X-age
| 1765 |
| Cache-control
| public |
| Accept-ranges
| bytes |
| Content-length
| 41783 |
| X-server-name
| z-ordnancesurvey-CACHE1 |
| Strict-transport-security
| max-age=15768000 |
| X-geoip-country-code
| FR |
| X-content-type-options
| nosniff |
| Referrer-policy
| strict-origin-when-cross-origin |
| X-envoy-upstream-service-time
| 37 |
| X-volterra-location
| pa4-par |
| Server
| volt-adc |
Meta Tags
| Viewport | width=device-width,initial-scale=1 |
| Application-name | Ordnance Survey |
| Msapplication-TileColor | var(--osds-colour-primary-1) |
| Msapplication-config | /_siL0TA_2a46af31-7e8b-40bc-8164-bb0a82572455/static-assets/browserconfig.xml |
| Theme-color | var(--osds-colour-primary-1) |
| Description | Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence. |
| Robots | index, follow |
| Generator | Contensis |
Content-type text/html; charset=utf-8
Date Tue, 28 Jul 2026 21:38:11 GMT
Access-control-allow-credentials true
Surrogate-control max-age=3600
X-is-iis-fallback false
Request-handler-metrics routeInfoFetch: 17 ms (nodeLookup: 2ms, getRouteInfoFetch: 14ms), generalRequestFetch: 881 ms, fallbackRequest 0 ms
X-version-no 344
Alt-svc h3=":443";ma=60;
X-origin-server backend-coordinator
X-host live-osweb-ordnancesurvey.cloud.contensis.com
X-varnish-authentication true
X-grace 72h
X-backend-ttl 3600.000
Content-encoding gzip
Vary Accept-Encoding
X-varnish 236589486 251137944
X-contensis-groups-authenticated |0|
X-authcache-status NotAuthenticated
X-contensis-viewer-groups 0
Debug-project
Debug-delivery-api-viewer-group
X-authcache-get-key skip
X-contensis-authorised True
X-age 1765
Cache-control public
Accept-ranges bytes
Content-length 41783
X-server-name z-ordnancesurvey-CACHE1
Strict-transport-security max-age=15768000
X-geoip-country-code FR
X-content-type-options nosniff
Referrer-policy strict-origin-when-cross-origin
X-envoy-upstream-service-time 37
X-volterra-location pa4-par
Server volt-adc
