HTTPS Checker

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HTTPS, SSL & Security Report for tulokset.korkeakouluun.fi

This report summarizes how well tulokset.korkeakouluun.fi 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.

Not secureScore95/100Last checked: 2 Jul 2026 at 05:00 UTC
HTTPS

Enabled

HTTP → HTTPS

Yes

TLS

A · 1.2, 1.3

Security headers

5/6

Check error

Redirect loop detected: domain redirects between HTTP and HTTPS in an infinite loop. This is a server configuration issue.

Detailed checks

HTTPS availability

The site is reachable over HTTPS.

Why it matters: HTTPS encrypts traffic and protects user data.

HTTP to HTTPS redirect

Requests to HTTP are redirected to HTTPS.

TLS & CertificateA

ValidYes
IssuerC=US, O=Amazon, CN=Amazon RSA 2048 M04
Expires2026-12-11
Days until expiry162 days

Why it matters: A valid, non-expired certificate ensures encryption is trusted by browsers.

To improve your grade

  • •Improve: Short Redirect Chain (+5 pts).

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Grade breakdown1 thing to improve for a higher grade →
95/100 pts
HTTPS Connection
+25/25
HTTP to HTTPS Redirect
+20/20
Valid SSL Certificate
+20/20
Certificate Not Expiring Soon
+10/10
Short Redirect Chain
+0/5
HSTS Enabled
+5/5
Security Headers
+5/5
Modern TLS (no 1.0/1.1)
+10/10

To improve your grade

  • •Improve: Short Redirect Chain (+5 pts).

Security headers5/6

  • HSTS
  • CSP
  • X-Frame-Options
  • X-Content-Type-Options
  • Referrer-Policy
  • Permissions-Policy

Score: 5 of 6 headers present. For the grade factor (5 pts), 4+ headers and Content-Security-Policy (CSP) are both required.

HSTS (HTTP Strict Transport Security)Preload ready

  • EnabledYes
  • Max-Age730 days
  • PreloadYes
Submit or verify on hstspreload.org

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.

HTTP/2

Negotiated (ALPN h2)

ALPN: h2

HTTP/3 (QUIC)

Not advertised

The server does not advertise HTTP/3 (QUIC) via the Alt-Svc header.

DNS Security

CAA: Not set · DNSSEC: Not signedExpand
CAANot set
DNSSEC
Not signed

No CAA records. Any CA can issue certificates. Consider adding CAA to restrict issuance.

Mixed content

None detected

No HTTP resources were detected on the HTTPS page.

Redirect chain2442ms total

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.

  1. 1.http://tulokset.korkeakouluun.fi350ms
  2. 2.https://tulokset.korkeakouluun.fi/542ms
  3. 3.https://tunnistautuminen.suomi.fi/idp/profile/SAML2/Redirect/SSO?SAMLRequest=hVLLbtswEPwVgXeJkhJZDmEbcGIUNZA2huX0kEtAk%2BuaMEWq3GUff19JTgL34p4I7s7Mzg52hrK1nVhGOrot%2FIiAlPxurUMxNuYsBie8RIPCyRZQkBLN8sujKLNcdMGTV96yC8p1hkSEQMY7lqxXc%2FZaKF2Vd1N1U0z0oZpOVC2L2wrqqapv9tWtLos7qPeymABLvkHAnjlnvVBPR4ywdkjSUV%2FKy0ma12le7vJK5LnI6xeWrPptjJM0so5EHQrOKTpnelqk2BoHLsPoW5MdDDe64%2F1KB2OBD45LvgVtAijiTfPEkuW7%2BQfvMLYQGgg%2FjYLn7eOlvPUnBMpOPpxAnny0MbpBHk3bWRgy4q3X0ULWHTs%2B%2FvH8lqlUOFY%2FTOrIks1bzPfGaeO%2BX094fwah%2BLzbbdLNU7Nji9kgLsbEwuL%2FRmf8Ej87X8jXftJ6tfHWqD%2FJJx9aSdeNDBWj08MIFRSkQwOO%2Bhit9b8eAkiCOaMQgfHFeeS%2Fd7j4Cw%3D%3D&RelayState=https%3A%2F%2Ftulokset.korkeakouluun.fi%2F&SigAlg=http%3A%2F%2Fwww.w3.org%2F2001%2F04%2Fxmldsig-more%23rsa-sha256&Signature=ngL45DbSMgd01uY55c2KD3W61R22RdFsHj2HxuqbyqPTKYIBi1%2BOBl7L5fBWk%2BFjBSI4TR0y%2FgtGbXaNnnnly1vF78BgLUXY%2BIIGe0g3X8lNdP5%2FNd9gtYe6%2Fs9r6NB8kBN3npHlg4D45AS55q2ol%2FZcIOx%2BaLNbP%2FHjWsm2CSP%2FV%2Fuf85sQD%2BYBCXG0xmkIKgu56nmSs1FAtVWGMSiPZOtVmdHBiucsVg10j5Fvk2hFFS6C9LQfRLdV1K3l6LZxoDDz%2BTON2FyhqLpNHEwc4QKPLNsO1VvVG33HSxSo4%2FDjwOxKVzcVhh92U%2BwRZUz982e0%2FNrKSBEbqTSCidcHUA%3D%3D963ms
  4. 4.https://tunnistautuminen.suomi.fi/idp/profile/SAML2/Redirect/SSO?execution=e1s1434ms
  5. 5.https://tunnistautuminen.suomi.fi/sivut/cookie/153ms

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