Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 91.105.243.113 |
| Server Software | Apache |
| Compression | gzip |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 91.105.243.113
Server Software Apache
Compression gzip
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://vde.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.vde.com/ | 301 | HTTP/1.1 301 |
| 3 | https://www.vde.com/en | 200 | HTTP/1.1 200 |
#1 URL https://vde.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.vde.com/
HTTP Status Code 301
Status HTTP/1.1 301
#3 URL https://www.vde.com/en
HTTP Status Code 200
Status HTTP/1.1 200
Performance
| DNS Lookup | 6.2 ms |
| TCP Connect | 24.2 ms |
| TLS Handshake | 23 ms |
| Time To First Byte (TTFB) | 155 ms |
| Content Download | 0.3 ms |
| Total Response Time | 155.3 ms |
DNS Lookup 6.2 ms
TCP Connect 24.2 ms
TLS Handshake 23 ms
Time To First Byte (TTFB) 155 ms
Content Download 0.3 ms
Total Response Time 155.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 ; includeSubDomains |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ DENY |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000 ; includeSubDomains
CSP ✔ Configured
X-Frame-Options ✔ DENY
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | VDE - the technology organization |
| Meta Description | Worldwide network of experts from science and industry on current technology topics and all aspects of electrical engineering. We set standards, test and certify products.
|
| Open Graph Title | VDE Homepage |
| Open Graph Description | Worldwide expert network of science and industry, on topics related to electrical engineering. We set standards, test + certify products. |
| Open Graph Image | https://www.vde.com/image/1578918/stage_md/1023/512/3/vde... |
| Twitter Card | summary_large_image |
| Twitter Title | VDE Homepage |
| Twitter Image | https://www.vde.com/image/1578918/stage_md/1023/512/3/vde... |
Title VDE - the technology organization Meta Description Worldwide network of experts from science and industry on current technology topics and all aspects of electrical engineering. We set standards, test and certify products.
Open Graph Title VDE Homepage Open Graph Description Worldwide expert network of science and industry, on topics related to electrical engineering. We set standards, test + certify products. Open Graph Image https://www.vde.com/image/1578918/stage_md/1023/512/3/vde... Twitter Card summary_large_image Twitter Title VDE Homepage Twitter Image https://www.vde.com/image/1578918/stage_md/1023/512/3/vde... Detected Technologies
| Technology | Google Analytics Google Tag Manager Apache |
Technology Google Analytics Google Tag Manager Apache
HTTP Headers
| Date
| Wed, 22 Jul 2026 21:18:10 GMT |
| Server
| Apache |
| Strict-Transport-Security
| max-age=31536000 ; includeSubDomains |
| Vary
| Origin,Accept-Encoding,User-Agent,Access-Control-Request-Method,Access-Control-Request-Headers |
| X-Content-Type-Options
| nosniff |
| X-XSS-Protection
| 1; mode=block |
| Pragma
| no-cache |
| Expires
| 0 |
| X-Frame-Options
| DENY |
| Content-Type
| text/html;charset=UTF-8 |
| Content-Language
| en-US |
| Content-Encoding
| gzip |
| Content-Security-Policy
| frame-ancestors 'self' http://*.vde.com; |
| Cache-Control
| no-cache, no-store, max-age=0, must-revalidate |
| Content-Length
| 9088 |
Meta Tags
| Description | Worldwide network of experts from science and industry on current technology topics and all aspects of electrical engineering. We set standards, test and certify products.
|
| Referrer | unsafe-url |
| Viewport | width=device-width, initial-scale=1, maximum-scale=1 |
Date Wed, 22 Jul 2026 21:18:10 GMT
Server Apache
Strict-Transport-Security max-age=31536000 ; includeSubDomains
Vary Origin,Accept-Encoding,User-Agent,Access-Control-Request-Method,Access-Control-Request-Headers
X-Content-Type-Options nosniff
X-XSS-Protection 1; mode=block
Pragma no-cache
Expires 0
X-Frame-Options DENY
Content-Type text/html;charset=UTF-8
Content-Language en-US
Content-Encoding gzip
Content-Security-Policy frame-ancestors 'self' http://*.vde.com;
Cache-Control no-cache, no-store, max-age=0, must-revalidate
Content-Length 9088
