nationalgallery.org.uk
The National Gallery, London
Last scanned Aug 1, 2026, 5:00 PM · 8 views
Overall score
Great
Summary
The Nation's Gallery. This website uses Google Analytics behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
The Nation's Gallery. The story of European art, masterpiece by masterpiece.
Top issues to fix
7 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
1.27 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 25, 2026
- Overall
- 88
- SEO
- 75
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- The National Gallery, London
- Description
- The Nation's Gallery. The story of European art, masterpiece by masterpiece.
- Canonical
- https://www.nationalgallery.org.uk/
- Language
- en-GB
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.nationalgallery.org.uk
- Valid from
- Jul 18, 2026
- Valid to
- Oct 17, 2026
- Days until expiry
- 76
- SAN domains
- www.nationalgallery.org.uk
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 35
Links
79 internal · 16 external · 20 broken
Images
45 total · 0 missing alt
Scripts / Styles
11 scripts · 5 stylesheets
JS / CSS size
4.0 KB · 0 B
Page size
118 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nationalgallery.org.uk
- Final URL
- https://www.nationalgallery.org.uk/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.27 s
- HTML size
- 118 KB
- Redirect chain
- https://nationalgallery.org.uk → https://www.nationalgallery.org.uk/
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Frequently asked questions
- What technology does nationalgallery.org.uk use?
- nationalgallery.org.uk is built with Google Analytics.
- Is nationalgallery.org.uk secure (HTTPS)?
- Yes. nationalgallery.org.uk uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 17, 2026.
- Who hosts nationalgallery.org.uk?
- Hosting provider information for nationalgallery.org.uk is not available yet.
- What is nationalgallery.org.uk's SEO score?
- nationalgallery.org.uk scored 75/100 for SEO in the latest analysis (fair).
- What is nationalgallery.org.uk's overall website score?
- nationalgallery.org.uk has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has nationalgallery.org.uk's score changed over time?
- nationalgallery.org.uk's overall score has declined by 3 points (from 91 to 88) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card