The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡Slow Response (1254 ms)
Response time exceeds 1 second. Consider optimizing the server or using caching.
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.
HTTP Status Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address164.77.252.27 Server Softwarenginx Compressiongzip 🔒 🟡Mixed Content (1 HTTP resources)The page is served over HTTPS but loads 1 resource(s) over HTTP. This may be blocked in modern browsers. 🕐 🟡Slow Response (1254 ms)Response time exceeds 1 second. Consider optimizing the server or using caching. ℹ 🔵Missing HSTSHTTP Strict Transport Security is not configured. Recommended for HTTPS sites. ℹ 🔵Missing Content Security PolicyCSP is not configured. It helps prevent XSS attacks and content injection.
Performance
DNS Lookup
251.7 ms
TCP Connect
476.6 ms
TLS Handshake
452 ms
Time To First Byte (TTFB)
1254.2 ms
Content Download
0.1 ms
Total Response Time
1254.3 ms
DNS Lookup251.7 ms TCP Connect476.6 ms TLS Handshake452 ms Time To First Byte (TTFB)1254.2 ms Content Download0.1 ms Total Response Time1254.3 ms
Security
HTTPS
✔ Enabled
HSTS
✘ Not configured
CSP
⚠ Not configured
X-Frame-Options
✔ SAMEORIGIN
X-Content-Type-Options
⚠ Not configured
HTTP/2
⚠ HTTP/1.1
HTTPS✔ Enabled HSTS✘ Not configured CSP⚠ Not configured X-Frame-Options✔ SAMEORIGIN X-Content-Type-Options⚠ Not configured HTTP/2⚠ HTTP/1.1
SEO Quick Check
Title
Zimbra Web Client Sign In
Meta Description
Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com.
TitleZimbra Web Client Sign In Meta DescriptionZimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com.
Detected Technologies
Technology
Nginx
TechnologyNginx
HTTP Headers
Server
nginx
Date
Thu, 20 Aug 2026 01:59:28 GMT
Content-Type
text/html;charset=utf-8
Transfer-Encoding
chunked
Connection
keep-alive
X-Frame-Options
SAMEORIGIN
Expires
-1
Cache-Control
no-store, no-cache, must-revalidate, max-age=0
Pragma
no-cache
Content-Language
en-US
Vary
Accept-Encoding, User-Agent
X-UA-Compatible
IE=edge
Content-Encoding
gzip
Meta Tags
Content-Type
text/html;charset=utf-8
Viewport
width=device-width, initial-scale=1.0
Description
Zimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com.
Content-Typetext/html;charset=utf-8 Viewportwidth=device-width, initial-scale=1.0 DescriptionZimbra provides open source server and client software for messaging and collaboration. To find out more visit https://www.zimbra.com. Apple-mobile-web-app-capableyes Apple-mobile-web-app-status-bar-styleblack