gigacalculator.com
GIGACalculator.com: Online Calculators and Converters
Last scanned Jul 26, 2026, 5:47 AM · 1 view
Overall score
Excellent
Summary
A comprehensive set of free online calculators and free online converters for your everyday calculations. This website uses Google Ads hosted on LEASEWEB-USA-WDC - Leaseweb USA, Inc., US. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
A comprehensive set of free online calculators and free online converters for your everyday calculations. ➤ Finance calculators, business calculators, health calculators, date and time calculators, mathematical, geometrical and trigonometry calculators, and so on. Converters between imperial and metric units, as well between units of the same system, but different scale. Well-sourced calculators and converters, formulas, explanations and advice.
- United States
- Hosted on LEASEWEB-USA-WDC - Leaseweb USA, Inc., US
Top issues to fix
3 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
2 issue(s) found
Performance
491 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
A comprehensive set of free online calculators and free online converters for your everyday calculations. ➤ Finance calculators, business calculators, health calculators, date and time calculators, mathematical, geometrical and trigonometry calculators, and so on. Converters between imperial and metric units, as well between units of the same system, but different scale. Well-sourced calculators and converters, formulas, explanations and advice.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- GIGACalculator.com: Online Calculators and Converters
- Description
- A comprehensive set of free online calculators and free online converters for your everyday calculations. ➤ Finance calculators, business calculators, health calculators, date and time calculators, mathematical, geometrical and trigonometry calculators, and so on. Converters between imperial and metric units, as well between units of the same system, but different scale. Well-sourced calculators and converters, formulas, explanations and advice.
- Canonical
- https://www.gigacalculator.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- LEASEWEB-USA-WDC - Leaseweb USA, Inc., US
- CDN provider
- —
- IP address
- 64.131.73.200
- ASN
- AS30633 (LEASEWEB-USA-WDC - Leaseweb USA, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- www.gigacalculator.com
- Valid from
- Jun 30, 2026
- Valid to
- Sep 28, 2026
- Days until expiry
- 62
- SAN domains
- gigacalculator.com, mail.gigacalculator.com, www.gigacalculator.com
Security headers
- Strict-Transport-SecurityEnabled
- 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 6 · H3 0
Links
104 internal · 0 external · 0 broken
Images
33 total · 0 missing alt
Scripts / Styles
10 scripts · 0 stylesheets
JS / CSS size
705 KB · 24.1 KB
Page size
54.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://gigacalculator.com
- Final URL
- https://www.gigacalculator.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 490 ms
- HTML size
- 54.6 KB
- Redirect chain
- https://gigacalculator.com → https://www.gigacalculator.com/
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Frequently asked questions
- What technology does gigacalculator.com use?
- gigacalculator.com is built with Bootstrap, Google Ads.
- Is gigacalculator.com secure (HTTPS)?
- Yes. gigacalculator.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 28, 2026.
- Who hosts gigacalculator.com?
- gigacalculator.com is hosted on LEASEWEB-USA-WDC - Leaseweb USA, Inc., US.
- What is gigacalculator.com's SEO score?
- gigacalculator.com scored 90/100 for SEO in the latest analysis (excellent).
- What is gigacalculator.com's overall website score?
- gigacalculator.com has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card