The page is served over HTTPS but loads 2 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 Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address159.223.210.207 Server SoftwareApache/2.4.58 (Ubuntu) Compressiongzip 🔒 🟡Mixed Content (2 HTTP resources)The page is served over HTTPS but loads 2 resource(s) over HTTP. This may be blocked in modern browsers. 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. ℹ 🔵Missing X-Frame-OptionsThe site can be embedded in iframes by third parties (clickjacking risk).
Performance
DNS Lookup
10.4 ms
TCP Connect
25.7 ms
TLS Handshake
20.5 ms
Time To First Byte (TTFB)
62.7 ms
Content Download
0.2 ms
Total Response Time
62.8 ms
DNS Lookup10.4 ms TCP Connect25.7 ms TLS Handshake20.5 ms Time To First Byte (TTFB)62.7 ms Content Download0.2 ms Total Response Time62.8 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
Programming Tutorials and Source Code Examples
Meta Description
Programming Tutorials and Source Code Examples
Canonical
http://www.java2s.com
TitleProgramming Tutorials and Source Code Examples Meta DescriptionProgramming Tutorials and Source Code Examples Canonicalhttp://www.java2s.com