What technology does which.co.uk use?

which.co.uk is built with Google Analytics, Google Ads, Apache.

Is which.co.uk secure (HTTPS)?

Yes. which.co.uk uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 25, 2026.

Who hosts which.co.uk?

Hosting provider information for which.co.uk is not available yet.

What is which.co.uk's SEO score?

which.co.uk scored 80/100 for SEO in the latest analysis (great).

What is which.co.uk's overall website score?

which.co.uk has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

Has which.co.uk's score changed over time?

which.co.uk's overall score has improved by 7 points (from 80 to 87) since Jul 22, 2026.

which.co.uk

Which? | Expert testing, reviews and advice - Which?

Last scanned Jul 29, 2026, 9:00 PM · 10 views

Overall score

Great

Summary

Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs. This website uses Apache behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: No H1 heading found.

Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs.

Top issues to fix

6 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

Performance

704 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

+7 overall since Jul 22, 2026

Overall: 87
SEO: 80
Security: 90
Performance: 90
Accessibility: 90

Organization

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

Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs.

Contact

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

Email: support@which.co.uk

Meta tags

Title: Which? | Expert testing, reviews and advice - Which?
Description: Which? works for you reviewing products and services, so that you make the best purchase decisions for your needs.
Canonical: https://www.which.co.uk
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: index, follow, max-image-preview:large
Manifest: https://www.which.co.uk/static/deliver/manifest.json

Technologies

Detected frameworks, languages, and tools.

Google Analytics Google Ads Apache

Hosting & CDN

Hosting provider: —
CDN provider: CloudFront
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: Amazon
Subject: *.which.co.uk
Valid from: Jun 11, 2026
Valid to: Dec 25, 2026
Days until expiry: 149
SAN domains: *.which.co.uk, consumers-association.co.uk, which-compare.com, which.uk, whichbestbuys.com, whichlegalservice.co.uk, whichswitch.com, whichswitch.co.uk, whichwills.com, whichtravel.com, whichlegalservices.co.uk, whichlegal.com, whichcampaigns.co.uk, whichawards.co.uk, consumers-association.org.uk, whichtraders.co.uk, whichreviews.co.uk, which.org.uk, whichlegalservice.com, whichcompare.com, *.green.which.co.uk, which-money.co.uk, whichtravel.co.uk, which-trustedtrader.co.uk, whichconnect.com, consumersassociation.uk, consumers-association.uk, whichtraders.com, whichtrustedtraders.co.uk, consumers-association.org, whichholiday.co.uk, which.co.uk, whichtrustedtraders.com, whichmoney.co.uk, consumersassociation.co.uk, *.which.com, whichtrustedtrader.co.uk, which.com, whichcomputing.com, whichcomputing.co.uk, *.internal.which.co.uk, which-advice.co.uk, which-compare.co.uk, whichonline.co.uk, whichcar.com, whichgardening.co.uk, whichbestbuy.co.uk, whichmagazine.co.uk, which-advice.com, whichmagazine.org.uk, whichgardening.com, whichbestbuy.com, whichcompare.co.uk, whichlegal.co.uk, whichtrustedtrader.com, whichconnectsurvey.co.uk, whichfinancialservices.co.uk, whichconnect.co.uk, consumersassociation.org.uk

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 0 · H2 44 · H3 17

Links

76 internal · 13 external · 20 broken

Images

57 total · 0 missing alt

Scripts / Styles

25 scripts · 3 stylesheets

JS / CSS size

148 KB · 0 B

Page size

331 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

No H1 heading found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://which.co.uk
Final URL: https://www.which.co.uk/
HTTP status: 200
HTTP version: HTTP/2
Response time: 698 ms
HTML size: 331 KB
Redirect chain: https://which.co.uk → https://www.which.co.uk/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does which.co.uk use?: which.co.uk is built with Google Analytics, Google Ads, Apache.
Is which.co.uk secure (HTTPS)?: Yes. which.co.uk uses TLS 1.3 with a certificate issued by Amazon, valid until Dec 25, 2026.
Who hosts which.co.uk?: Hosting provider information for which.co.uk is not available yet.
What is which.co.uk's SEO score?: which.co.uk scored 80/100 for SEO in the latest analysis (great).
What is which.co.uk's overall website score?: which.co.uk has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Has which.co.uk's score changed over time?: which.co.uk's overall score has improved by 7 points (from 80 to 87) since Jul 22, 2026.

Top issues to fix

Score history

Organization

Contact

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