Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 216.92.181.129 |
| Server Software | Apache |
|
🔒 🟡 Mixed Content (4 HTTP resources) | The page is served over HTTPS but loads 4 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). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 216.92.181.129
Server Software Apache
🔒 🟡 Mixed Content (4 HTTP resources) The page is served over HTTPS but loads 4 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).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Performance
| DNS Lookup | 167.3 ms |
| TCP Connect | 245.7 ms |
| TLS Handshake | 84.3 ms |
| Time To First Byte (TTFB) | 409.3 ms |
| Content Download | 0 ms |
| Total Response Time | 409.3 ms |
DNS Lookup 167.3 ms
TCP Connect 245.7 ms
TLS Handshake 84.3 ms
Time To First Byte (TTFB) 409.3 ms
Content Download 0 ms
Total Response Time 409.3 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 | The WWW Virtual Library |
Title The WWW Virtual Library
Detected Technologies
Technology Apache
HTTP Headers
| Content-location
| index.en.html |
| Vary
| negotiate,accept-language |
| Tcn
| choice |
| Last-modified
| Wed, 26 Apr 2017 16:10:02 GMT |
| Etag
| "1349-54e14129aca80" |
| Accept-ranges
| bytes |
| Content-length
| 4937 |
| Content-type
| text/html |
| Content-language
| en |
| Date
| Thu, 20 Aug 2026 17:12:37 GMT |
| Server
| Apache |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
Content-location index.en.html
Vary negotiate,accept-language
Tcn choice
Last-modified Wed, 26 Apr 2017 16:10:02 GMT
Etag "1349-54e14129aca80"
Accept-ranges bytes
Content-length 4937
Content-type text/html
Content-language en
Date Thu, 20 Aug 2026 17:12:37 GMT
Server Apache
