Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 149.28.33.42 |
| Server Software | nginx |
| 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 149.28.33.42
Server Software nginx
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 | 17.7 ms |
| TCP Connect | 91 ms |
| TLS Handshake | 75.7 ms |
| Time To First Byte (TTFB) | 245.3 ms |
| Content Download | 0.1 ms |
| Total Response Time | 245.4 ms |
DNS Lookup 17.7 ms
TCP Connect 91 ms
TLS Handshake 75.7 ms
Time To First Byte (TTFB) 245.3 ms
Content Download 0.1 ms
Total Response Time 245.4 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 | HTML, CSS, and JavaScript Tutorials, References, and Articles | HTML Dog |
Title HTML, CSS, and JavaScript Tutorials, References, and Articles | HTML Dog
Detected Technologies
| Technology | Google Analytics Nginx |
Technology Google Analytics Nginx
HTTP Headers
| Server
| nginx |
| Date
| Thu, 20 Aug 2026 10:50:17 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Content-length
| 2406 |
| Vary
| Accept-Encoding |
| Content-encoding
| gzip |
Meta Tags
| Viewport | width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no |
| Msapplication-TileColor | #2d89ef |
| Msapplication-TileImage |  |
| Theme-color | #0088ee |
Server nginx
Date Thu, 20 Aug 2026 10:50:17 GMT
Content-type text/html; charset=UTF-8
Content-length 2406
Vary Accept-Encoding
Content-encoding gzip
