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?

Hosting provider information for ons.gov.uk is not available yet.

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.

Has ons.gov.uk's score changed over time?

ons.gov.uk's overall score has stayed steady at 89/100 since Jul 21, 2026.

ons.gov.uk

Home - Office for National Statistics

Last scanned Jul 29, 2026, 5:00 PM · 6 views

Overall score

Great

Summary

The UK's largest independent producer of official statistics and the recognised national statistical institute of the UK. This website uses jQuery 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.

The UK's largest independent producer of official statistics and the recognised national statistical institute of the UK.

Top issues to fix

8 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

196 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 21, 2026

Overall: 89
SEO: 75
Security: 85
Performance: 100
Accessibility: 100

Organization

Company details published in this site's own structured data.

The UK's largest independent producer of official statistics and the recognised national statistical institute of the UK.

X (Twitter)Instagram Facebook LinkedIn

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.

jQuery

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.ons.gov.uk
Valid from: Jul 6, 2026
Valid to: Oct 4, 2026
Days until expiry: 66
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 · 20 broken

Images

13 total · 1 missing alt

Scripts / Styles

7 scripts · 1 stylesheets

JS / CSS size

2.8 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

Scan details

Requested URL: https://ons.gov.uk
Final URL: https://www.ons.gov.uk/
HTTP status: 200
HTTP version: HTTP/2
Response time: 195 ms
HTML size: 79.0 KB
Redirect chain: https://ons.gov.uk → https://www.ons.gov.uk/

See something wrong on this report? Request a correction

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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?: Hosting provider information for ons.gov.uk is not available yet.
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.
Has ons.gov.uk's score changed over time?: ons.gov.uk's overall score has stayed steady at 89/100 since Jul 21, 2026.

Top issues to fix

Score history

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions