What powers theplumbline.co.uk?

Last seen Sep 2026 · 25 technologies across 13 categories

Analytics

Facebook Pixel v2.9.393
since Jan 2026
Google Analytics vUA
since Mar 2020
Microsoft Clarity
since Jul 2025

CDN

cdnjs
since Nov 2021
Cloudflare
since May 2022

Cookie compliance

Osano v3.0.4
since Aug 2020

Databases

MySQL
since Mar 2020

Ecommerce

Cart Functionality
since Oct 2021
Magento
since Mar 2020

Font scripts

Google Font API
since Mar 2020

JavaScript frameworks

Backbone.js v0.9.2
since Mar 2020
Prototype v1.7
since Mar 2020

JavaScript libraries

core-js v3.32.2
since Jan 2026
jQuery v1.12.1
since Mar 2020
Lodash v1.4.3
since Jun 2021
Modernizr v2.6.2
since Mar 2020
Underscore.js
since Mar 2020

Miscellaneous

HTTP/3
since Jul 2025
Open Graph
since Sep 2022
RSS
since Dec 2022

Performance

Priority Hints
since Jun 2026

Programming languages

PHP v5.6.25
since Mar 2020

Tag managers

Google Tag Manager
since Apr 2023

Webmail

Microsoft 365
since Aug 2022

AI Crawlers

Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • Bytespider Blocked

Search and AI assistants

  • Amazonbot Blocked
  • PetalBot Blocked

The other 30 AI crawlers we track are not mentioned and stay allowed by default.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

3 of 33 AI crawlers blocked

Full breakdown

Audience

  • 54% desktop
  • 46% phone
  • United Kingdom

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

Open Page Rank

3.16 / 10 · ranked #1,322,226 of all domains

23 referring domains · OpenPageRank

Core Web Vitals

LCP2.1 s
INP50 ms
CLS0.1
TTFB1200 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 11.7 MB · 72 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Industry: Home and construction (declares HomeGoodsStore)

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

Infrastructure

  • Hosted on Cloudflare (104.21.88.59, IPv6)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (soft fail), DMARC reject, DNSSEC signed
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 8,043,338, 2 hosts
  • Verified with: Google, Meta Business, Microsoft 365

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

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