Cambridge Prep

Practice for your B2 First (FCE) and C1 Advanced (CAE) exams with free interactive, self-correcting Use of English & Reading exercises. Start today!

www.cambridgeprep.eu · Added June 5, 2026 · Last analysed June 5, 2026 · via · 75% unique tagline

Own this Launch?

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 5 June 2026; the live site may have changed since.

Cambridge Prep ships with the basics, with a thorough launch checklist, well-configured email security, and clean crawl signals. Worth fixing first: missing several security headers, incomplete legal pages, and analytics without a consent banner.

Launched on Product Hunt on June 5, 2026. The site is hosted on Amazon.com in the United States. We've detected 9 technologies on this site, covering analytics, CSS frameworks, DNS providers, and business email. The stack includes Next.js, React, and Tailwind CSS.

It's running the same core stack as 6,671 other launches.

If you own this site, refresh the snapshot and see the full fix list any time →

5.5

StackScope Score

Fair

100/100 Launch Readiness

Launch ready

1/6 Security Headers

Poor

0/3 Legal

Missing

2/2 Web Standards

Complete

78/100 Performance

Fast

Vibe Score 8 · Few AI signals

Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (9)

Infrastructure

DNS	Cloudflare DNS
Hosting	Vercel
Security	HSTS

Business email	Zoho Mail

Build & Framework

CSS framework	Tailwind CSS
Framework	React
Meta-framework	Next.js

Analytics & Marketing

Analytics	Umami
SEO	Google Search Console

Infrastructure

Network

AMAZON-02 - Amazon.com, Inc., US

AS16509 · US

DNS

Cloudflare DNS

Authoritative nameserver

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

SSL Certificate

Let's Encrypt

Valid 28 May 2026 to 26 Aug 2026

Certificate as captured in this snapshot, not a live check.

Email Security

✓

SPF ~all Soft-fail (~all). Common and accepted.

DKIM Not detected at common selectors. Your provider may use a custom one.

✓

DMARC p=quarantine Quarantine (moderate)

MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.

TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (0)

This site uses no client-side storage we could detect on page load.

Readiness Breakdown How?

✓ Custom title and meta description

✓ Open Graph tags (title, image, description)

✓ Twitter card meta tags

✓ Canonical URL declared

✓ Responsive viewport meta tag

✓ Favicon present

✓ Semantic HTML (nav, main, article)

⚠

Meta description is 166 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Performance How?

669 ms Server response

24% Faster than peers

1588 ms Largest contentful paint

0.00 Cumulative layout shift

2.0 MB Page weight

1.7 MB Image weight

2 Third-party domains

0 Console errors

0 Failed requests

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

Vibe Score Breakdown How?

Signal	Points
AI copy signals	+5
AI iconography signals	+3

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

No AI stance declared

✗ llms.txt published

✓ No AI bots blocked in robots.txt

Content-Signal

? No directive declared

Link headers

? None advertised

Well-Known Files

✓ robots.txt

✓ sitemap.xml (14 URLs)

✗ security.txt

✗ llms.txt

✗ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

? Consent manager not detected

Analytics detected; tracking fires without visitor opt-in.

Detection works best on English language sites.

Security Headers (1/6)

✗

Referrer-Policy

✗

X-Frame-Options

✗

Permissions-Policy experimental (check browser support)

✗

X-Content-Type-Options

✗

Content-Security-Policy

✓

Strict-Transport-Security

–

X-XSS-Protection deprecated (use Content-Security-Policy)

Build

✓ HTML minified

✗ CSS minified

✗ JS minified

✓ Code splitting

13 JS files

1 CSS files

2 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.