Informazioni aggiuntive per https://teachandsing.com
Technical Information
HTTP Status Code
200
HTTP Version
HTTP/1.1
HTTPS
✔ Available
IP Address
208.91.197.27
Server Software
openresty
🕐 🔴Very Slow Response (3340 ms)
Response time exceeds 3 seconds. This severely impacts SEO and user experience.
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 Address208.91.197.27 Server Softwareopenresty 🕐 🔴Very Slow Response (3340 ms)Response time exceeds 3 seconds. This severely impacts SEO and user experience. 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
151.8 ms
TCP Connect
1274.4 ms
TLS Handshake
1881.3 ms
Time To First Byte (TTFB)
3339.6 ms
Content Download
0 ms
Total Response Time
3339.6 ms
DNS Lookup151.8 ms TCP Connect1274.4 ms TLS Handshake1881.3 ms Time To First Byte (TTFB)3339.6 ms Content Download0 ms Total Response Time3339.6 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
Server
openresty
Date
Mon, 31 Aug 2026 11:16:48 GMT
Content-Type
text/html
Transfer-Encoding
chunked
Connection
keep-alive
X-exc
10
X-sc-h
21-rnt2
Via
1.1 google
Serveropenresty DateMon, 31 Aug 2026 11:16:48 GMT Content-Typetext/html Transfer-Encodingchunked Connectionkeep-alive X-exc10 X-sc-h21-rnt2 Via1.1 google
