calibr.co.uk

.uk crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP/1.1 200 14129 ms crawled 2026-05-16

NL · 31.43.161.6 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Calibr | Home
Description: Through in-person assessment days and targeted AI upskilling, we help businesses hire and develop exceptional operational talent from new hires to existing teams. Built in partnership with The Apprentify Group, the UK’s 30th fastest growing company
Language: en
Generator: Framer af215f2
Canonical: https://www.calibr.co.uk/

Open Graph

url: https://www.calibr.co.uk/
title: Calibr | Home
description: Through in-person assessment days and targeted AI upskilling, we help businesses hire and develop exceptional operational talent from new hires to existing teams. Built in partnership with The Apprentify Group, the UK’s 30th fastest growing company

Technology

Server: Framer

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

framerusercontent.com×74
fonts.googleapis.com×3
fonts.gstatic.com×2
events.framer.com×1
www.googletagmanager.com×1

Social

DNS records live

NS

ns01.domaincontrol.com
ns02.domaincontrol.com

MX

0 calibr-co-uk.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication strong

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: v=DMARC1; p=reject; sp=reject; rua=mailto:DMarc@calibr.co.uk
policy: reject (enforced) · sp=reject
DKIM: no key found at common selectors

Certificate (current)

from 2026-05-11 to 2026-08-09

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.calibr.co.uk/

present

strict-transport-security
x-content-type-options

findings

missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=31536000