ons.gov.uk
Home - Office for National Statistics
Last scanned Jul 21, 2026, 12:20 PM · 1 view
Overall score
Great
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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
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.
+1 more issue — details in the sections below.
Summary
The UK's largest independent producer of official statistics and the recognised national statistical institute of the UK. This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.
SEO
5 issue(s) found
Performance
376 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
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
- Home - Office for National Statistics
- Description
- The UK's largest independent producer of official statistics and the recognised national statistical institute of the UK.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1.0,user-scalable=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.16.68.85
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.ons.gov.uk
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 74
- SAN domains
- www.ons.gov.uk
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 3 · H2 31 · H3 0
Links
69 internal · 13 external · 0 broken
Images
13 total · 1 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
88.2 KB · 0 B
Page size
79.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://ons.gov.uk
- Final URL
- https://www.ons.gov.uk/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 375 ms
- HTML size
- 79.0 KB
- Redirect chain
- https://ons.gov.uk → https://www.ons.gov.uk/
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Frequently asked questions
- What technology does ons.gov.uk use?
- ons.gov.uk is built with jQuery.
- Is ons.gov.uk secure (HTTPS)?
- Yes. ons.gov.uk uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 4, 2026.
- Who hosts ons.gov.uk?
- ons.gov.uk is hosted on Cloudflare, behind Cloudflare CDN.
- What is ons.gov.uk's SEO score?
- ons.gov.uk scored 75/100 for SEO in the latest analysis (fair).
- What is ons.gov.uk's overall website score?
- ons.gov.uk has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card