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.
ℹ 🔵Missing X-Frame-Options
The site can be embedded in iframes by third parties (clickjacking risk).
ℹ 🔵No Compression
The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
HTTP Status Code200 HTTP VersionHTTP/1.1 HTTPS✔ Available IP Address160.251.152.171 Server SoftwareLiteSpeed 🕐 🟡Slow Response (1043 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. ℹ 🔵Missing X-Frame-OptionsThe site can be embedded in iframes by third parties (clickjacking risk). ℹ 🔵No CompressionThe server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Performance
DNS Lookup
251.7 ms
TCP Connect
513.7 ms
TLS Handshake
265.2 ms
Time To First Byte (TTFB)
1042.7 ms
Content Download
0 ms
Total Response Time
1042.8 ms
DNS Lookup251.7 ms TCP Connect513.7 ms TLS Handshake265.2 ms Time To First Byte (TTFB)1042.7 ms Content Download0 ms Total Response Time1042.8 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
HTTP Headers
Content-type
text/html; charset=EUC-JP
Last-modified
Fri, 12 May 2023 15:44:00 GMT
Accept-ranges
bytes
Content-length
78
Date
Thu, 20 Aug 2026 15:00:41 GMT
Server
LiteSpeed
Meta Tags
Refresh
0;url=/lesson/
Content-typetext/html; charset=EUC-JP Last-modifiedFri, 12 May 2023 15:44:00 GMT Accept-rangesbytes Content-length78 DateThu, 20 Aug 2026 15:00:41 GMT ServerLiteSpeed
