Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.249.228.80 |
| Server Software | AmazonS3 |
| CDN | CDN (RefreshHit from cloudfront) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (1 HTTP resources) | The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. |
|
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 13.249.228.80
Server Software AmazonS3
CDN CDN (RefreshHit from cloudfront)
Compression gzip
🔒 🟡 Mixed Content (1 HTTP resources) The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
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 | 31.4 ms |
| TCP Connect | 32.6 ms |
| TLS Handshake | 6.6 ms |
| Time To First Byte (TTFB) | 213.9 ms |
| Content Download | 0.3 ms |
| Total Response Time | 214.2 ms |
DNS Lookup 31.4 ms
TCP Connect 32.6 ms
TLS Handshake 6.6 ms
Time To First Byte (TTFB) 213.9 ms
Content Download 0.3 ms
Total Response Time 214.2 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 | Bret Victor, human being |
| Meta Description | An offshore drilling platform in the sea of knowledge. |
| Canonical | / |
Title Bret Victor, human being
Meta Description An offshore drilling platform in the sea of knowledge.
Canonical /
Detected Technologies
| Technology | Google Analytics |
Technology Google Analytics
HTTP Headers
| Content-type
| text/html |
| Server
| AmazonS3 |
| Last-modified
| Mon, 20 Jul 2026 03:23:06 GMT |
| Content-encoding
| gzip |
| Date
| Thu, 23 Jul 2026 19:42:13 GMT |
| Etag
| W/"8fff145ff9427f4ff1efccf2e077c360" |
| Vary
| Accept-Encoding |
| X-cache
| RefreshHit from cloudfront |
| Via
| 1.1 bf776947c2a05320860bab7099b6bb02.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P6 |
| X-amz-cf-id
| 0kgjI6WVvlkrPyRSH0Uyp7jFDZ2S1aYZYwTDcgxbOuoSehaPrVsCpw== |
| Cache-control
| max-age=14400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Author | Bret Victor |
| Description | An offshore drilling platform in the sea of knowledge. |
Content-type text/html
Server AmazonS3
Last-modified Mon, 20 Jul 2026 03:23:06 GMT
Content-encoding gzip
Date Thu, 23 Jul 2026 19:42:13 GMT
Etag W/"8fff145ff9427f4ff1efccf2e077c360"
Vary Accept-Encoding
X-cache RefreshHit from cloudfront
Via 1.1 bf776947c2a05320860bab7099b6bb02.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P6
X-amz-cf-id 0kgjI6WVvlkrPyRSH0Uyp7jFDZ2S1aYZYwTDcgxbOuoSehaPrVsCpw==
Cache-control max-age=14400