citizenmaths.com
Free Math Unit Converters for Everyone
Last scanned Jul 26, 2026, 12:19 PM · 11 views
Overall score
Great
Summary
Online handy calculator that you can use to do all types of math unit conversions including length, area, temperature, data transfer rate and more. This website uses Nginx hosted on CONTABO - Contabo GmbH, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
Online handy calculator that you can use to do all types of math unit conversions including length, area, temperature, data transfer rate and more.
- Germany
- Hosted on CONTABO - Contabo GmbH, DE
Top issues to fix
6 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
6 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
1.04 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Online handy calculator that you can use to do all types of math unit conversions including length, area, temperature, data transfer rate and more.
Meta tags
- Title
- Free Math Unit Converters for Everyone
- Description
- Online handy calculator that you can use to do all types of math unit conversions including length, area, temperature, data transfer rate and more.
- Canonical
- https://citizenmaths.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width,minimum-scale=1,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- CONTABO - Contabo GmbH, DE
- CDN provider
- —
- IP address
- 213.136.90.117
- ASN
- AS51167 (CONTABO - Contabo GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- citizenmaths.com
- Valid from
- Apr 9, 2026
- Valid to
- Oct 24, 2026
- Days until expiry
- 88
- SAN domains
- citizenmaths.com, www.citizenmaths.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 0
Links
101 internal · 0 external · 6 broken
Images
0 total · 0 missing alt
Scripts / Styles
5 scripts · 0 stylesheets
JS / CSS size
301 KB · 24.8 KB
Page size
43.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://citizenmaths.com
- Final URL
- https://citizenmaths.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.04 s
- HTML size
- 43.5 KB
- Redirect chain
- https://citizenmaths.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does citizenmaths.com use?
- citizenmaths.com is built with Google Analytics, Google Ads, Nginx.
- Is citizenmaths.com secure (HTTPS)?
- Yes. citizenmaths.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Oct 24, 2026.
- Who hosts citizenmaths.com?
- citizenmaths.com is hosted on CONTABO - Contabo GmbH, DE.
- What is citizenmaths.com's SEO score?
- citizenmaths.com scored 80/100 for SEO in the latest analysis (great).
- What is citizenmaths.com's overall website score?
- citizenmaths.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card