What powers britishstamps.co.uk?

Last seen Oct 2026 · 15 technologies across 12 categories

Analytics

Google Analytics
since Feb 2020

CDN

Cloudflare
since Oct 2026

Ecommerce

CubeCart
since Feb 2020

Font scripts

Google Font API
since Feb 2020

Hosting

IONOS
since Aug 2022

JavaScript libraries

jQuery v2.1.4
since Feb 2020
Modernizr v2.8.3
since Feb 2020

Miscellaneous

HTTP/3
since Oct 2026

Programming languages

PHP v8.4.25
since Feb 2020

Security

HSTS
since Oct 2024
reCAPTCHA
since Feb 2020

Tag managers

Google Tag Manager
since Feb 2020

UI frameworks

ZURB Foundation v5.5.2
since Feb 2020

Web servers

Apache HTTP Server
since Dec 2024

AI Crawlers

Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • FacebookBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • PetalBot Blocked

The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 Content Signals changed
  • Sep 2026 *: Restricted (was Allowed)
  • Sep 2026 amazonbot removed from robots.txt
  • Sep 2026 applebot-extended removed from robots.txt
  • Sep 2026 facebookbot added to robots.txt
  • Sep 2026 petalbot added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

8 of 33 AI crawlers blocked

Full breakdown

Audience

  • 84% desktop
  • 16% phone
  • United Kingdom

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

0.71 / 10 · ranked #18,862,948 of all domains

1 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP50 ms
CLS0.6
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English (United Kingdom)
  • CDN: Cloudflare
  • Weight: 3.2 MB · 160 requests
  • Structured data: JSON-LD

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Cloudflare (104.21.35.229, IPv6)
  • DNS: Cloudflare DNS
  • Email: IONOS
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
  • Common Crawl link graph: rank 81,988,776, 2 hosts
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Subdomains

HostTechs
www.britishstamps.co.uk 15
britishstamps.co.uk 12

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