This report summarizes how well aichat.tbb.com.tw is configured for secure web delivery. It covers HTTPS availability, HTTP→HTTPS redirects, TLS/SSL certificate validity, security headers, HTTP/2 and HTTP/3 support, and mixed content. Use it to quickly spot configuration gaps and improve your site's security and trust.
Enabled
N/A
B · 1.2, 1.3
5/6
The site is reachable over HTTPS.
Why it matters: HTTPS encrypts traffic and protects user data.
HTTP port 80 is not responding, so there is no HTTP listener to redirect. Modern browsers upgrade to HTTPS automatically.
Note: Port 80 may be firewalled or intentionally closed. Opening it with a 301 to HTTPS ensures visitors who type http:// are redirected rather than getting a connection error.
| Valid | Yes |
| Issuer | C=TW, O=TAIWAN-CA, CN=TWCA Secure SSL Certification Authority |
| Expires | 2026-08-29 |
| Days until expiry | 3 days |
| OCSP stapling | No |
Why it matters: A valid, non-expired certificate ensures encryption is trusted by browsers.
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Score: 5 of 6 headers effective. For the grade factor (5 pts), 4+ headers and Content-Security-Policy (CSP) are both required. We count a header only when its value actually provides the protection, so a header sent with a weak value counts as “sent, but weak” rather than present. Scanners that count a header as present regardless of its value will report a higher number here.
Cache-Control includes no-store on the HTML response. Browsers will not cache the document; ETag and conditional requests (304) are effectively disabled. Often intentional for authenticated pages; for public pages consider private with max-age or removing no-store if you want HTTP caching.
Why it matters: HSTS tells browsers to use only HTTPS for this site. Preload allows inclusion in browsers’ built-in HSTS lists.
We check Chromium’s built-in list. hstspreload.org checks eligibility for submission (HSTS header, redirect chain). Results may differ for domains that are preloaded but no longer meet current eligibility rules.
Not advertised
The server does not advertise HTTP/3 (QUIC) via the Alt-Svc header.
No HTTPS record. Browsers discover protocols via connection — an HTTPS record speeds this up. Learn more →
No CAA records. Any CA can issue certificates. Consider adding CAA to restrict issuance.
When you visit the site over HTTP, the server may send you through one or more redirects until you land on the final HTTPS URL. Shorter chains are faster and better for SEO.
Based on this scan, here are the 4 next steps that would most improve security and SEO for aichat.tbb.com.tw.
Renew the certificate for aichat.tbb.com.tw before it expires to avoid downtime. If you use Let's Encrypt or another ACME CA, check that auto-renewal is actually running — expired-but-automated certs are one of the most common outages.
aichat.tbb.com.tw sends 5 of 6 recommended security headers — missing: X-Frame-Options. Most take one line of server config and protect against clickjacking, MIME sniffing and data leaks.
aichat.tbb.com.tw has no CAA record, so any certificate authority can issue certificates for it. A CAA record limits issuance to the CAs you actually use — a cheap defense against mis-issuance.
aichat.tbb.com.tw did not staple an OCSP response on the TLS handshake. Stapling saves a round-trip for visitors and keeps revocation checks off the CA. Informational — it does not affect the SSL grade.
Let your visitors know your SSL setup is verified. The badge always shows your current grade and links to this report. Paste the snippet into your site footer:
<a href="https://httpsornot.com/report/aichat.tbb.com.tw?utm_source=badge" target="_blank" rel="noopener"> <img src="https://httpsornot.com/badge/aichat.tbb.com.tw.svg" alt="SSL grade for aichat.tbb.com.tw — checked by HTTPS Checker" height="20" loading="lazy" /> </a>
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