Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 172.67.69.90 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 172.67.69.90
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://thecalculatorsite.com:443 | 301 | HTTP/2 301 |
| 2 | https://www.thecalculatorsite.com/ | 200 | HTTP/2 200 |
#1 URL https://thecalculatorsite.com:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.thecalculatorsite.com/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 17.7 ms |
| TCP Connect | 19.3 ms |
| TLS Handshake | 7.6 ms |
| Time To First Byte (TTFB) | 87.9 ms |
| Content Download | 44.8 ms |
| Total Response Time | 132.7 ms |
DNS Lookup 17.7 ms
TCP Connect 19.3 ms
TLS Handshake 7.6 ms
Time To First Byte (TTFB) 87.9 ms
Content Download 44.8 ms
Total Response Time 132.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000; includeSubDomains |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| Permissions Policy | ✔ Configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000; includeSubDomains
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
Permissions Policy ✔ Configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | The Calculator Site - Free Online Calculators |
| Meta Description | Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. |
| Canonical | https://www.thecalculatorsite.com |
| Open Graph Title | The Calculator Site - Free Online Calculators |
| Open Graph Description | Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. |
| Open Graph Image | https://www.thecalculatorsite.com/images/facebook-share-i... |
| Twitter Card | summary_large_image |
| Twitter Title | The Calculator Site - Free Online Calculators |
| Twitter Description | Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. |
| Twitter Image | https://www.thecalculatorsite.com/images/facebook-share-i... |
Title The Calculator Site - Free Online Calculators Meta Description Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. Canonical https://www.thecalculatorsite.com Open Graph Title The Calculator Site - Free Online Calculators Open Graph Description Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. Open Graph Image https://www.thecalculatorsite.com/images/facebook-share-i... Twitter Card summary_large_image Twitter Title The Calculator Site - Free Online Calculators Twitter Description Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. Twitter Image https://www.thecalculatorsite.com/images/facebook-share-i... Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare PHP Node.js |
Technology jQuery Google Analytics Google Tag Manager Cloudflare PHP Node.js
HTTP Headers
| Date
| Fri, 24 Jul 2026 19:16:35 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Strict-transport-security
| max-age=31536000; includeSubDomains |
| X-frame-options
| SAMEORIGIN |
| X-content-type-options
| nosniff |
| Referrer-policy
| strict-origin-when-cross-origin |
| Permissions-policy
| accelerometer=(), camera=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=() |
| Vary
| Accept-Encoding |
| Report-to
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| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Cf-cache-status
| DYNAMIC |
| Set-cookie
| __cflb=04dTofXJS2E3EjxQihes6o7RDz3zKwVpskm2BRuEvR; HttpOnly; SameSite=None; Secure; Path=/; Expires=Fri, 24 Jul 2026 19:46:35 GMT |
| Content-encoding
| gzip |
| Cf-ray
| a20542989d390253-CDG |
Meta Tags
| Description | Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use. |
| Viewport | width=device-width, initial-scale=1.0, maximum-scale=1.0,user-scalable=0 |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-title | The Calc Site |
| Author | The Calculator Site |
| Publisher | The Calculator Site |
| Application-name | The Calc Site |
| OMG-Verify-V1 | 17c8ca4f-89f1-4d60-b6bd-f4ccc46d6ee2 |
Date Fri, 24 Jul 2026 19:16:35 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Strict-transport-security max-age=31536000; includeSubDomains
X-frame-options SAMEORIGIN
X-content-type-options nosniff
Referrer-policy strict-origin-when-cross-origin
Permissions-policy accelerometer=(), camera=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
Vary Accept-Encoding
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=xaFFU1vGF96yTgicryzuvsHSjMo7%2BR4vocjUCnIrYF1NEUCqdq04CXuR5wsXs4LwZcfchTQTKaFSONXX8XCrWTDBTwJbCNBaIvUEtY2bVKMkig2grDI67ZvL4esT0O8hmJCKRE891H5WITb30XnrrVPHzsFgmJc%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Cf-cache-status DYNAMIC
Set-cookie __cflb=04dTofXJS2E3EjxQihes6o7RDz3zKwVpskm2BRuEvR; HttpOnly; SameSite=None; Secure; Path=/; Expires=Fri, 24 Jul 2026 19:46:35 GMT
Content-encoding gzip
Cf-ray a20542989d390253-CDG
