Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 212.25.183.111 |
| Server Software | nginx/1.22.1 |
| Compression | gzip |
|
🔒 🟡 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). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 212.25.183.111
Server Software nginx/1.22.1
Compression gzip
🔒 🟡 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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://virtualtelescope.eu:443 | 301 | HTTP/2 301 |
| 2 | https://www.virtualtelescope.eu/ | 200 | HTTP/2 200 |
#1 URL https://virtualtelescope.eu:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.virtualtelescope.eu/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 28.9 ms |
| TCP Connect | 61.6 ms |
| TLS Handshake | 38 ms |
| Time To First Byte (TTFB) | 166.9 ms |
| Content Download | 2.4 ms |
| Total Response Time | 169.3 ms |
DNS Lookup 28.9 ms
TCP Connect 61.6 ms
TLS Handshake 38 ms
Time To First Byte (TTFB) 166.9 ms
Content Download 2.4 ms
Total Response Time 169.3 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 | Home - The Virtual Telescope Project 2.0 |
| Meta Description | Home of the Virtual Telescope Project, an advanced robotic facility offering true real-time observations of the Universe with remotely controlled telescopes |
| Canonical | https://www.virtualtelescope.eu/ |
| Robots Meta | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Open Graph Title | Home - The Virtual Telescope Project 2.0 |
| Open Graph Description | Home of the Virtual Telescope Project, an advanced robotic facility offering true real-time observations of the Universe with remotely controlled telescopes |
| Open Graph Image | https://www.virtualtelescope.eu/wordpress/wp-content/uplo... |
| Twitter Card | summary_large_image |
Title Home - The Virtual Telescope Project 2.0 Meta Description Home of the Virtual Telescope Project, an advanced robotic facility offering true real-time observations of the Universe with remotely controlled telescopes Canonical https://www.virtualtelescope.eu/ Robots Meta index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 Open Graph Title Home - The Virtual Telescope Project 2.0 Open Graph Description Home of the Virtual Telescope Project, an advanced robotic facility offering true real-time observations of the Universe with remotely controlled telescopes Open Graph Image https://www.virtualtelescope.eu/wordpress/wp-content/uplo... Twitter Card summary_large_image Detected Technologies
| Technology | WordPress jQuery Google Analytics Google Tag Manager Nginx PHP |
Technology WordPress jQuery Google Analytics Google Tag Manager Nginx PHP
HTTP Headers
| Server
| nginx/1.22.1 |
| Date
| Sun, 30 Aug 2026 10:13:59 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Content-length
| 20255 |
| X-powered-by
| PleskLin |
| Link
| ; rel="https://api.w.org/", ; rel="alternate"; title="JSON"; type="application/json", ; rel=shortlink |
| Cache-control
| max-age=3600, public |
| Content-encoding
| gzip |
| Last-modified
| Sun, 30 Aug 2026 09:32:10 GMT |
| Etag
| "14323742c458ea832d3be2511b361388" |
| Referrer-policy
| |
| X-varnish
| 907340586 905735514 |
| Age
| 2508 |
| Accept-ranges
| bytes |
| Vary
| Accept-Encoding |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
| Robots | index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1 |
| Description | Home of the Virtual Telescope Project, an advanced robotic facility offering true real-time observations of the Universe with remotely controlled telescopes |
| Article:modified_time | 2026-08-25T08:36:13+00:00 |
| Generator | WordPress 7.0.2 |
| Msapplication-TileImage |  |
Server nginx/1.22.1
Date Sun, 30 Aug 2026 10:13:59 GMT
Content-type text/html; charset=UTF-8
Content-length 20255
X-powered-by PleskLin
Link ; rel="https://api.w.org/", ; rel="alternate"; title="JSON"; type="application/json", ; rel=shortlink
Cache-control max-age=3600, public
Content-encoding gzip
Last-modified Sun, 30 Aug 2026 09:32:10 GMT
Etag "14323742c458ea832d3be2511b361388"
Referrer-policy
X-varnish 907340586 905735514
Age 2508
Accept-ranges bytes
Vary Accept-Encoding
