Checking results for: vdk.com
Additional info for https://vdk.com
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 39.107.107.232 |
| Server Software | nginx |
| Compression | gzip |
|
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 39.107.107.232
Server Software nginx
Compression gzip
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 | 204 ms |
| TCP Connect | 419.1 ms |
| TLS Handshake | 214.4 ms |
| Time To First Byte (TTFB) | 979.5 ms |
| Content Download | 0.1 ms |
| Total Response Time | 979.7 ms |
DNS Lookup 204 ms
TCP Connect 419.1 ms
TLS Handshake 214.4 ms
Time To First Byte (TTFB) 979.5 ms
Content Download 0.1 ms
Total Response Time 979.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 维达康-专注生物制造-河北维达康生物科技股份有限公司 |
| Meta Description | 河北维达康生物科技股份有限公司是一家集研发、生产、销售于一体的平台化企业。全球率先实现 酯化态虾青素、香紫苏二醇等天然产物大规模化生物制造。 |
Title 维达康-专注生物制造-河北维达康生物科技股份有限公司
Meta Description 河北维达康生物科技股份有限公司是一家集研发、生产、销售于一体的平台化企业。全球率先实现 酯化态虾青素、香紫苏二醇等天然产物大规模化生物制造。
Detected Technologies
| Technology | Google Analytics Nginx |
Technology Google Analytics Nginx
HTTP Headers
| Server
| nginx |
| Date
| Tue, 21 Jul 2026 13:42:41 GMT |
| Content-type
| text/html; charset=utf-8 |
| Vary
| Accept-Encoding |
| Set-cookie
| PHPSESSID=99d7fc2381bc45eaa9f9f36a84d23247; expires=Tue, 21-Jul-2026 14:06:41 GMT; Max-Age=1440; path=/ |
| Strict-transport-security
| max-age=31536000 |
| Content-encoding
| gzip |
Meta Tags
| Keywords | 酯化态虾青素,香紫苏二醇,白藜芦醇,5-HTP,虾青素 |
| Description | 河北维达康生物科技股份有限公司是一家集研发、生产、销售于一体的平台化企业。全球率先实现 酯化态虾青素、香紫苏二醇等天然产物大规模化生物制造。 |
| X-UA-Compatible | IE=edge |
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no |
| Format-detection | telephone=no |
| Apple-mobile-web-app-capable | yes |
| Apple-mobile-web-app-status-bar-style | black |
Server nginx
Date Tue, 21 Jul 2026 13:42:41 GMT
Content-type text/html; charset=utf-8
Vary Accept-Encoding
Set-cookie PHPSESSID=99d7fc2381bc45eaa9f9f36a84d23247; expires=Tue, 21-Jul-2026 14:06:41 GMT; Max-Age=1440; path=/
Strict-transport-security max-age=31536000
Content-encoding gzip
Keywords 酯化态虾青素,香紫苏二醇,白藜芦醇,5-HTP,虾青素
Description 河北维达康生物科技股份有限公司是一家集研发、生产、销售于一体的平台化企业。全球率先实现 酯化态虾青素、香紫苏二醇等天然产物大规模化生物制造。
X-UA-Compatible IE=edge
Content-Type text/html; charset=utf-8
Viewport width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no
Format-detection telephone=no
Apple-mobile-web-app-capable yes
Apple-mobile-web-app-status-bar-style black
