🌐 calculator.uk 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 53d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 154d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.57.236
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
▼

Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 2
▼
🌐 CDN
Cloudflare
🔤 Font/Icon
Google Fonts
📸 Screenshot Processing...
▼
⏳

Screenshot is being captured...

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
▼
A (IPv4)104.21.57.236172.67.193.128
AAAA (IPv6)2606:4700:3037::6815:39ec2606:4700:3034::ac43:c180
NSvicente.ns.cloudflare.commacy.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
▼
RegistrarEnterfirst Ltd
Registered2019-03-27
Expires2027-03-27 (in 154 days)
Last Updated2026-07-20
Statusactive
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
▼
Subject (CN)calculator.uk
IssuerGoogle Trust Services
Valid From2026-09-17
Valid Until2026-12-16 (53 days left)
SANs (1)calculator.uk
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
▼
Status200
Servercloudflare
Content-Typetext/html; charset=utf-8
Final URLhttps://calculator.uk/
strict-transport-securitymax-age=31536000
x-frame-optionsDENY
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
cf-raya4f336e31f2ac443-EWR
via1.1 Caddy
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
▼
IP Address104.21.57.236
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score B (5/7)
▼
Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
▼
Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
Sitemap Found 37 pages
🔗 Social & Meta Tags Partial
▼
TitleCalculator.uk - Free UK Online Calculators
DescriptionCalculator.uk - Free UK online calculators for finance, health, maths and more. Fast, accurate, and built for British users.
Languageen-GB
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
▼
SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 22 active 1 for sale
▼
.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev ●
.app ●
.me ●
.biz ●
.eu ●
.xyz taken
.fi ●
.se ●
.de ●
.uk current
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
▼

Not checked yet — data will appear after the first monitoring run.