Skip to main content
SGSiteGraph

ncsc.gov.uk

The National Cyber Security Centre | National Cyber Security Centre

Last scanned Jul 25, 2026, 4:25 AM · 2 views

92

Overall score

Excellent

Summary

The National Cyber Security Centre, a part of GCHQ, helps businesses, the public sector and individuals protect the online services and devices that we all depend on. This website uses Drupal hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

The National Cyber Security Centre, a part of GCHQ, helps businesses, the public sector and individuals protect the online services and devices that we all depend on.

United States
Hosted on Cloudflare

Top issues to fix

4 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.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • More than 20% of images are missing alt text

    Accessibility

    Add alt attributes to the remaining images (use alt="" for purely decorative ones).

90

SEO

2 issue(s) found

100

Performance

516 ms

90

Security

HTTPS & header checks

85

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

The National Cyber Security Centre, a part of GCHQ, helps businesses, the public sector and individuals protect the online services and devices that we all depend on.

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
The National Cyber Security Centre | National Cyber Security Centre
Description
The National Cyber Security Centre, a part of GCHQ, helps businesses, the public sector and individuals protect the online services and devices that we all depend on.
Canonical
https://www.ncsc.gov.uk/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
The National Cyber Security Centre
og:description
The National Cyber Security Centre, a part of GCHQ, helps businesses, the public sector and individuals protect the online services and devices that we all depend on.
og:type
og:url
https://www.ncsc.gov.uk/node/1234

Twitter Card

twitter:card
summary_large_image
twitter:title
The National Cyber Security Centre
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
104.18.15.35
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.18.15.35
  • 104.18.14.35
AAAA
  • 2606:4700::6812:f23
  • 2606:4700::6812:e23
MX
TXT
NS
CAA
CNAME
  • www.ncsc.gov.uk.cdn.cloudflare.net
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
www.ncsc.gov.uk
Valid from
Jun 29, 2026
Valid to
Sep 27, 2026
Days until expiry
64
SAN domains
www.ncsc.gov.uk

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 20 · H3 13

Links

83 internal · 13 external · 0 broken

Images

31 total · 12 missing alt

Scripts / Styles

6 scripts · 2 stylesheets

JS / CSS size

38.8 KB · 88.5 KB

Page size

148 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
9
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Title longer than 60 characters
  • Meta description longer than 160 characters

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://ncsc.gov.uk
Final URL
https://www.ncsc.gov.uk/
HTTP status
200
HTTP version
HTTP/2
Response time
513 ms
HTML size
148 KB
Redirect chain
https://ncsc.gov.uk → http://www.ncsc.gov.uk/ → https://www.ncsc.gov.uk/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does ncsc.gov.uk use?
ncsc.gov.uk is built with Drupal, Cloudflare Analytics.
Is ncsc.gov.uk secure (HTTPS)?
Yes. ncsc.gov.uk uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 27, 2026.
Who hosts ncsc.gov.uk?
ncsc.gov.uk is hosted on Cloudflare, behind Cloudflare CDN.
What is ncsc.gov.uk's SEO score?
ncsc.gov.uk scored 90/100 for SEO in the latest analysis (excellent).
What is ncsc.gov.uk's overall website score?
ncsc.gov.uk has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.