HTTPS Checker

Security Tool

HTTPS, SSL & Security Report for stremio-addons.net

This report summarizes how well stremio-addons.net 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.

Partially secureScore80/100Last checked: 9 Jul 2026 at 14:20 UTC
HTTPS

Enabled

HTTP → HTTPS

Yes

TLS

B+ · 1.2, 1.3

Security headers

0/6

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 & CertificateB+

ValidYes
IssuerC=US, O=Google Trust Services, CN=WE1
Expires2026-09-26
Days until expiry78 days

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

To improve your grade

  • •Improve: HSTS Enabled (+5 pts).
  • •Improve: Security Headers (+5 pts).
  • •Improve: Modern TLS (no 1.0/1.1) (+10 pts).
  • •Reach 85+ points for A- (currently 80).

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Grade breakdown4 things to improve for a higher grade →
80/100 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
+5/5
HSTS Enabled
+0/5
Security Headers
+0/5

Requires 4 of 6 headers and Content-Security-Policy (CSP).

Modern TLS (no 1.0/1.1)
+0/10

To improve your grade

  • •Improve: HSTS Enabled (+5 pts).
  • •Improve: Security Headers (+5 pts).
  • •Improve: Modern TLS (no 1.0/1.1) (+10 pts).
  • •Reach 85+ points for A- (currently 80).

Security headers0/6

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

Score: 0 of 6 headers present. For the grade factor (5 pts), 4+ headers and Content-Security-Policy (CSP) are both required.

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.

HSTS (HTTP Strict Transport Security)Disabled

  • EnabledNo
  • On HSTS preload listNo
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)

Advertised + confirmed

Alt-Svc: h3=":443"; ma=86400

Active QUIC negotiation succeeded (curl --http3).

DNS Security

CAA: Not set · DNSSEC: Not signed · HTTPS record: PresentExpand
CAANot set
DNSSEC
Not signed
HTTPS Record
Present

ALPN: h3, h2 · ECH configured

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

Mixed content

1 insecure resource(s)

These resources are loaded over HTTP on an HTTPS page. They should be loaded over HTTPS.

  • http://hdhub.thevolecitor.qzz.io/logo.png (image)

Redirect chain1385ms 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://stremio-addons.net403ms
  2. 2.https://stremio-addons.net/982ms

Recommendations for stremio-addons.net

Based on this scan, here are the 4 next steps that would most improve security and SEO for stremio-addons.net.

  1. Fix 1 mixed content resource

    High impact

    stremio-addons.net loads a resource over plain HTTP on an HTTPS page. Browsers block or warn about these, which can break the page and removes the padlock. Update the URLs to https:// or use protocol-relative references.

    How to find and fix mixed content

  2. Enable HSTS (Strict-Transport-Security)

    Recommended

    stremio-addons.net does not send the Strict-Transport-Security header. Without it, returning visitors can still be downgraded to HTTP by an attacker on the network. One header makes browsers always use HTTPS.

    Security headers guide HSTS preload guide

  3. Add 6 missing security headers

    Recommended

    stremio-addons.net sends 0 of 6 recommended security headers — missing: HSTS, CSP, X-Frame-Options…. Most take one line of server config and protect against clickjacking, MIME sniffing and data leaks.

    How to set security headers What each header does

  4. Add a CAA DNS record

    Nice to have

    stremio-addons.net 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.

    What is a CAA record

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