Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.42.46 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
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 104.21.42.46
Server Software cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
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 | 22.8 ms |
| TCP Connect | 24.6 ms |
| TLS Handshake | 9.1 ms |
| Time To First Byte (TTFB) | 145.5 ms |
| Content Download | 0.3 ms |
| Total Response Time | 145.8 ms |
DNS Lookup 22.8 ms
TCP Connect 24.6 ms
TLS Handshake 9.1 ms
Time To First Byte (TTFB) 145.5 ms
Content Download 0.3 ms
Total Response Time 145.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Build Mind — Mental Models, Biases & How to Think |
| Meta Description | A clear, honest encyclopedia of mental models, cognitive biases and how to think — every entry defined, worked through, and cross-linked. |
| Canonical | https://build-mind.com |
| Robots Meta | index,follow |
| Open Graph Title | Build Mind — Mental Models, Biases & How to Think |
| Open Graph Description | A clear, honest encyclopedia of mental models, cognitive biases and how to think — every entry defined, worked through, and cross-linked. |
Title Build Mind — Mental Models, Biases & How to Think
Meta Description A clear, honest encyclopedia of mental models, cognitive biases and how to think — every entry defined, worked through, and cross-linked.
Canonical https://build-mind.com
Robots Meta index,follow
Open Graph Title Build Mind — Mental Models, Biases & How to Think
Open Graph Description A clear, honest encyclopedia of mental models, cognitive biases and how to think — every entry defined, worked through, and cross-linked.
Detected Technologies
| Technology | Google Analytics Cloudflare |
Technology Google Analytics Cloudflare
HTTP Headers
| Date
| Wed, 19 Aug 2026 22:49:30 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Vary
| Accept-Encoding |
| Cache-control
| no-cache, private |
| Set-cookie
| myqsd-session=eyJpdiI6IjlPelQ3UEFmQmFvVFAvZWZmaThncVE9PSIsInZhbHVlIjoidWZORjJaTzNzT0Q3akZMeko5d2cxN2xSRTB6VC9haGZRZGxLVGsyUlJlUXl0WDdRU2dxZC9XbWZDTHl2SkFSTEhYd05NTjc4cjhvSFVNdUN1alVMVURLWXBXVGJwQUtCMXI3VnZSV1Rkck9EdHVxTGNXOXpCRWltNUJLcWZ3OHgiLCJtYWMiOiIzM2M5MzczNjAzMzZhOTZiMmRkNTQxNDM0NzJjMzIzZjI4ZTY3YjgzMTkwMmNkOGE3NzMyMDA3NWNiYzYwZjU4IiwidGFnIjoiIn0%3D; expires=Thu, 20 Aug 2026 00:49:30 GMT; Max-Age=7200; path=/; httponly; samesite=lax |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=25wr0%2BcsS5wjcS4UMBjZLU9JbvuL0beU3SQKaQFPt9tGVLTKGSAJOKorjoEE0sUERi7wJXAK4mwKKKrcBf%2FhZj0ddJ%2BazoMrF0GZt34hv5L6%2F%2BTTW11S7hFMfmd1YN8W7PhpcjmEcwwW61qyEA%3D%3D"}]} |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2dcb63fcde9d64a-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Description | A clear, honest encyclopedia of mental models, cognitive biases and how to think — every entry defined, worked through, and cross-linked. |
| Robots | index,follow |
Date Wed, 19 Aug 2026 22:49:30 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Vary Accept-Encoding
Cache-control no-cache, private
Set-cookie myqsd-session=eyJpdiI6IjlPelQ3UEFmQmFvVFAvZWZmaThncVE9PSIsInZhbHVlIjoidWZORjJaTzNzT0Q3akZMeko5d2cxN2xSRTB6VC9haGZRZGxLVGsyUlJlUXl0WDdRU2dxZC9XbWZDTHl2SkFSTEhYd05NTjc4cjhvSFVNdUN1alVMVURLWXBXVGJwQUtCMXI3VnZSV1Rkck9EdHVxTGNXOXpCRWltNUJLcWZ3OHgiLCJtYWMiOiIzM2M5MzczNjAzMzZhOTZiMmRkNTQxNDM0NzJjMzIzZjI4ZTY3YjgzMTkwMmNkOGE3NzMyMDA3NWNiYzYwZjU4IiwidGFnIjoiIn0%3D; expires=Thu, 20 Aug 2026 00:49:30 GMT; Max-Age=7200; path=/; httponly; samesite=lax
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=25wr0%2BcsS5wjcS4UMBjZLU9JbvuL0beU3SQKaQFPt9tGVLTKGSAJOKorjoEE0sUERi7wJXAK4mwKKKrcBf%2FhZj0ddJ%2BazoMrF0GZt34hv5L6%2F%2BTTW11S7hFMfmd1YN8W7PhpcjmEcwwW61qyEA%3D%3D"}]}
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2dcb63fcde9d64a-CDG
Alt-svc h3=":443"; ma=86400
