🌐 calculator.se 200 🔒 SSL Valid
Checked: (cached 2026-10-23 19:40:50) ↻ Refresh 🔗 Visit site
✨ About this site
This site provides a free online scientific calculator featuring functions such as trigonometry and logarithms directly in the browser. It is a specialist web tool intended for students and anyone needing quick mathematical computations without downloading software. The Swedish TLD and language indicate it is primarily aimed at users in Sweden.
📊 What the data says
The website currently returns an HTTP status of 200 and is hosted on Cloudflare. Its technology stack includes Cloudflare and Google Fonts, and the SSL certificate remains valid until December 9, 2026.
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 46d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
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 →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
172.67.153.182
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.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 2
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🌐 CDN
Cloudflare
🔤 Font/Icon
Google Fonts
📸 Screenshot Processing...
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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 →
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A (IPv4)104.21.88.229172.67.153.182
AAAA (IPv6)2606:4700:3031::6815:58e52606:4700:3030::ac43:99b6
NSmckinley.ns.cloudflare.comganz.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarN/A
RegisteredN/A
ExpiresN/A
Last UpdatedN/A
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)calculator.se
IssuerGoogle Trust Services
Valid From2026-09-10
Valid Until2026-12-09 (46 days left)
SANs (1)calculator.se
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html
Final URLhttps://calculator.se/
cache-controlpublic, max-age=0, must-revalidate
cf-raya4f337410c098186-EWR
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 →
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IP Address172.67.153.182
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags Complete
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TitleCalculator.se — Gratis Vetenskaplig Miniräknare Online
DescriptionGratis vetenskaplig miniräknare online med trigonometri, logaritmer, minne och beräkningshistorik. Ingen nedladdning, inga annonser — bara räkna.
OG TitleCalculator.se — Gratis Vetenskaplig Miniräknare Online
OG DescriptionGratis vetenskaplig miniräknare online med trigonometri, logaritmer, minne och beräkningshistorik. Ingen nedladdning krävs.
OG Typewebsite
OG Site NameCalculator.se
Twitter Cardsummary
Canonical URLhttps://calculator.se/sv/
Languagesv
📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 22 active 1 for sale
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.com ●
.net ●
.org ●
.info ●
.io ●
.co ●
.dev ●
.app ●
.me ●
.biz ●
.eu ●
.xyz taken
.fi ●
.se current
.de ●
.uk ●
.fr ●
.nl ●
.es ●
.it ●
.us ●
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.