blackbox.ai

Readiness by lane

Green: blackbox.ai. Thin bar: Programming & Software peer median.

Priority fixes for blackbox.ai

Ordered by impact and by how common each practice is among peers.

1. Priority 1 · Accelerate

   No render-blocking scripts in <head>

   Observed: The homepage <head> loaded 1 external script without async or defer.

   Why it matters: A plain <script src> in the head stops the browser from showing anything until that file has downloaded and run.

   What to do: Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.

   On Next.js: Use the next/script component with an appropriate loading strategy.

   51% of Programming & Software peers do this. Limit: Based on the homepage HTML delivered to an automated client; scripts that run later were not executed.

   Guide: Control Third-Party Scripts Before They Control Your Page

2. Priority 2 · Harden

   Framing restricted

   Observed: The homepage did not send frame-ancestors or X-Frame-Options, so other sites may frame it.

   What to do: Send Content-Security-Policy: frame-ancestors 'self' (or a list of trusted origins). X-Frame-Options: SAMEORIGIN covers older browsers.

   On Next.js: Add it in next.config.js headers().

   47% of Programming & Software peers do this.

   Guide: A Practical Website Health Check for Owners

3. Priority 3 · Accelerate

   HTTP/3 advertised

   Observed: The homepage did not advertise HTTP/3 through an Alt-Svc header.

   What to do: Turn on HTTP/3 at your CDN. Browsers fall back to HTTP/2 automatically, so the risk is low.

   40% of Programming & Software peers do this.

   Guide: CDN Guide for Website Owners

4. Priority 4 · Harden

   Content Security Policy present

   Observed: The homepage response did not include a Content-Security-Policy header.

   What to do: Start with Content-Security-Policy-Report-Only to see what would break, tighten the policy over a few weeks, then enforce it.

   On Next.js: Next.js documents nonce-based CSP with middleware.

   32% of Programming & Software peers do this.

   Guide: Payment Security and PCI DSS: What Website Owners Need to Know

What blackbox.ai already does well

Practices fewer than half of Programming & Software peers use.

• CAA records limit who can issue certificatesCAA limits issuance to globalsign.com, letsencrypt.org, pki.goog and others.23% of peers
• HSTS kept for at least a yearHSTS with a 730-day max-age.40% of peers
• DMARC policy enforces quarantine or rejectDMARC policy p=quarantine.45% of peers

What we saw

Homepage checked

https://www.blackbox.ai/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

Let's Encrypt, 89-day validity, expiring 2026-12-26

CDN or edge

Vercel

Platform or framework

Next.js

DNS operators

GoDaddy DNS

HSTS

max-age 730 days

DMARC policy

p=quarantine

Homepage HTML

557 KB, br

Images on homepage

0

Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.

Stack and providers

Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.

All 31 checks

Select a gap for the method and fix. How each check works

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Programming & Software readiness benchmark