What technology does calculatorian.com use?

calculatorian.com is built with Angular, Google Analytics, Cloudflare Analytics, Google Ads.

Is calculatorian.com secure (HTTPS)?

Yes. calculatorian.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Aug 29, 2026.

Who hosts calculatorian.com?

Hosting provider information for calculatorian.com is not available yet.

What is calculatorian.com's SEO score?

calculatorian.com scored 80/100 for SEO in the latest analysis (great).

What is calculatorian.com's overall website score?

calculatorian.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

calculatorian.com

Calculatorian - It Starts Here!

Last scanned Jul 26, 2026, 11:49 AM

Overall score

Great

Summary

Free, independent calculator platform with 2,600+ calculators in 33 languages. This website uses Angular behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing meta description.

Calculatorian

Free, independent calculator platform with 2,600+ calculators in 33 languages. No affiliate links.

Top issues to fix

7 issues found · 3 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
Missing html lang attribute
Accessibility
Set <html lang="…"> so screen readers pick the right pronunciation rules.

+1 more issue — details in the sections below.

SEO

3 issue(s) found

100

Performance

19 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Calculatorian

Free, independent calculator platform with 2,600+ calculators in 33 languages. No affiliate links.

Founded: Jan 1, 2021

Contact

Email, phone, and address published on this site's own pages.

Email: hello@calculatorian.com your@email.com
Address: NO

Meta tags

Title: Calculatorian - It Starts Here!
Description
Canonical: https://calculatorian.com/en
Language
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest: https://calculatorian.com/assets/site-icons/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

Angular Google Analytics Cloudflare Analytics Google Ads

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Google Trust Services
Subject: calculatorian.com
Valid from: May 31, 2026
Valid to: Aug 29, 2026
Days until expiry: 31
SAN domains: calculatorian.com, *.calculatorian.com

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyEnabled

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 2

Links

57 internal · 0 external · 20 broken

Images

0 total · 0 missing alt

Scripts / Styles

11 scripts · 1 stylesheets

JS / CSS size

78.2 KB · 31.5 KB

Page size

136 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://calculatorian.com
Final URL: https://calculatorian.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 17 ms
HTML size: 136 KB
Redirect chain: https://calculatorian.com

See something wrong on this report? Request a correction

Frequently asked questions

What technology does calculatorian.com use?: calculatorian.com is built with Angular, Google Analytics, Cloudflare Analytics, Google Ads.
Is calculatorian.com secure (HTTPS)?: Yes. calculatorian.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Aug 29, 2026.
Who hosts calculatorian.com?: Hosting provider information for calculatorian.com is not available yet.
What is calculatorian.com's SEO score?: calculatorian.com scored 80/100 for SEO in the latest analysis (great).
What is calculatorian.com's overall website score?: calculatorian.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
What company operates calculatorian.com?: calculatorian.com is operated by Calculatorian. Free, independent calculator platform with 2,600+ calculators in 33 languages. No affiliate links.