Checking results for: dwheeler.com
Additional info for https://dwheeler.com
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 185.199.110.153 |
| Server Software | GitHub.com |
| CDN | CDN (MISS) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (6 HTTP resources) | The page is served over HTTPS but loads 6 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 185.199.110.153
Server Software GitHub.com
CDN CDN (MISS)
Compression gzip
🔒 🟡 Mixed Content (6 HTTP resources) The page is served over HTTPS but loads 6 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 | 6.4 ms |
| TCP Connect | 7.2 ms |
| TLS Handshake | 5 ms |
| Time To First Byte (TTFB) | 127.1 ms |
| Content Download | 0.3 ms |
| Total Response Time | 127.3 ms |
DNS Lookup 6.4 ms
TCP Connect 7.2 ms
TLS Handshake 5 ms
Time To First Byte (TTFB) 127.1 ms
Content Download 0.3 ms
Total Response Time 127.3 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 | David A. Wheeler's Personal Home Page |
| Meta Description | David A. Wheeler |
Title David A. Wheeler's Personal Home Page
Meta Description David A. Wheeler
Detected Technologies
| Technology | Google Analytics Apache Node.js |
Technology Google Analytics Apache Node.js
HTTP Headers
| Server
| GitHub.com |
| Content-type
| text/html; charset=utf-8 |
| Last-modified
| Thu, 13 Aug 2026 16:34:48 GMT |
| Access-control-allow-origin
| * |
| Etag
| W/"6a7df228-564d" |
| Expires
| Thu, 20 Aug 2026 03:02:58 GMT |
| Cache-control
| max-age=600 |
| Content-encoding
| gzip |
| X-proxy-cache
| MISS |
| X-github-request-id
| 385A:3DECE3:1A9008D:1AB8228:6A866C09 |
| X-github-edge-region
| fra |
| Accept-ranges
| bytes |
| Age
| 0 |
| Date
| Thu, 20 Aug 2026 02:52:58 GMT |
| Via
| 1.1 varnish |
| X-served-by
| cache-par-lfpg1960044-PAR |
| X-cache
| MISS |
| X-cache-hits
| 0 |
| X-timer
| S1787194378.012989,VS0,VE114 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| b7208c913fffd04fd87dd699a0d5b6ff94bbfcfb |
| Content-length
| 7718 |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width, initial-scale=1.0 |
| Description | David A. Wheeler |
| Keywords | David, Wheeler, David A. Wheeler, David Wheeler, open source, open source software, free software, OSS/FS, FLOSS, software, security, information security, information assurance, secure programming, computer security, innovation, software innovation, software engineering, Linux, Ada, Java, chess |
| Generator | vim |
Server GitHub.com
Content-type text/html; charset=utf-8
Last-modified Thu, 13 Aug 2026 16:34:48 GMT
Access-control-allow-origin *
Etag W/"6a7df228-564d"
Expires Thu, 20 Aug 2026 03:02:58 GMT
Cache-control max-age=600
Content-encoding gzip
X-proxy-cache MISS
X-github-request-id 385A:3DECE3:1A9008D:1AB8228:6A866C09
X-github-edge-region fra
Accept-ranges bytes
Age 0
Date Thu, 20 Aug 2026 02:52:58 GMT
Via 1.1 varnish
X-served-by cache-par-lfpg1960044-PAR
X-cache MISS
X-cache-hits 0
X-timer S1787194378.012989,VS0,VE114
Vary Accept-Encoding
X-fastly-request-id b7208c913fffd04fd87dd699a0d5b6ff94bbfcfb
Content-length 7718
Content-Type text/html; charset=utf-8
Viewport width=device-width, initial-scale=1.0
Description David A. Wheeler
Keywords David, Wheeler, David A. Wheeler, David Wheeler, open source, open source software, free software, OSS/FS, FLOSS, software, security, information security, information assurance, secure programming, computer security, innovation, software innovation, software engineering, Linux, Ada, Java, chess
Generator vim
