Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 192.0.78.161 |
| Server Software | nginx |
| CDN | CDN detected (Server-Timing) |
| Compression | gzip |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 192.0.78.161
Server Software nginx
CDN CDN detected (Server-Timing)
Compression gzip
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 2.6 ms |
| TCP Connect | 3.6 ms |
| TLS Handshake | 4.2 ms |
| Time To First Byte (TTFB) | 11.3 ms |
| Content Download | 1.3 ms |
| Total Response Time | 12.6 ms |
DNS Lookup 2.6 ms
TCP Connect 3.6 ms
TLS Handshake 4.2 ms
Time To First Byte (TTFB) 11.3 ms
Content Download 1.3 ms
Total Response Time 12.6 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | TVMCalcs.com | Time value of money and financial calculator tutorials |
| Meta Description | Mastering Time Value of Money:Financial Calculator Tutorials New: Efficient Frontier Calculator App Built for finance students and instructors — explore portfolio optimization right in your browser. No downloads, no signups. Just upload a CSV file.Read the instructions, or Try it now! TVMCalcs.com (meaning "Time Value of Money Calculations" and "Time Value of Money Calculators") is… |
| Canonical | https://tvmcalcs.com/ |
| Robots Meta | max-image-preview:large |
Title TVMCalcs.com | Time value of money and financial calculator tutorials
Meta Description Mastering Time Value of Money:Financial Calculator Tutorials New: Efficient Frontier Calculator App Built for finance students and instructors — explore portfolio optimization right in your browser. No downloads, no signups. Just upload a CSV file.Read the instructions, or Try it now! TVMCalcs.com (meaning "Time Value of Money Calculations" and "Time Value of Money Calculators") is…
Canonical https://tvmcalcs.com/
Robots Meta max-image-preview:large
Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Tue, 21 Jul 2026 00:00:13 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Strict-transport-security
| max-age=31536000 |
| Vary
| accept, content-type, cookie |
| X-hacker
| Want root? Visit join.a8c.com and mention this header. |
| Host-header
| WordPress.com |
| Link
| ; rel=shortlink |
| Content-encoding
| gzip |
| X-ac
| 32.cdg _atomic_ams STALE |
| Alt-svc
| clear |
| Server-timing
| a8c-cdn, dc;desc=cdg, cache;desc=STALE;dur=3.0 |
Meta Tags
| Viewport | width=device-width, initial-scale=1, maximum-scale=5, viewport-fit=cover |
| Robots | max-image-preview:large |
| Generator | Site Kit by Google 1.183.0 |
| Description | Mastering Time Value of Money:Financial Calculator Tutorials New: Efficient Frontier Calculator App Built for finance students and instructors — explore portfolio optimization right in your browser. No downloads, no signups. Just upload a CSV file.Read the instructions, or Try it now! TVMCalcs.com (meaning "Time Value of Money Calculations" and "Time Value of Money Calculators") is… |
| Author | Timothy R. Mayes. Ph.D. |
| Copyright | This document is copyright 1995-2025 by Timothy R. Mayes, Ph.D. |
| Msapplication-TileImage |  |
Server nginx
Date Tue, 21 Jul 2026 00:00:13 GMT
Content-type text/html; charset=UTF-8
Strict-transport-security max-age=31536000
Vary accept, content-type, cookie
X-hacker Want root? Visit join.a8c.com and mention this header.
Host-header WordPress.com
Link ; rel=shortlink
Content-encoding gzip
X-ac 32.cdg _atomic_ams STALE
Alt-svc clear
Server-timing a8c-cdn, dc;desc=cdg, cache;desc=STALE;dur=3.0
