Data Calculator

Work out exactly how many GB you need for your trip across Europe in 30 seconds. France, Germany, Spain, Italy and 39+ destinations. Free, based on real traveller usage.

Added August 21, 2026 · Last analysed August 21, 2026 · via

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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 21 August 2026; the live site may have changed since.

Data Calculator is largely in shape, with a complete set of security headers, a thorough launch checklist, and clean crawl signals. What needs work: incomplete legal pages and incomplete email security.

Launched on Product Hunt on August 21, 2026. The site is served through Cloudflare, with a domain registered 9 weeks before launch. The crawl picked up 13 technologies on this site, covering directory, maps, analytics, and CDN. The stack includes CARTO, Cloudflare, and Cloudflare DNS.

For context, it's tighter on security headers than most Product Hunt launches.

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

7.6

StackScope Score

Good

90/100 Launch Readiness

Launch ready

6/6 Security Headers

Strong

0/3 Legal

Missing

2/2 Crawl files

Complete

100/100 Performance

Fast

Vibe Score 56 · Many AI signals

How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (13)

Infrastructure

CDN	Cloudflare
DNS	Cloudflare DNS
Security	HSTS

Business email	OVH Email (2)

Build & Framework

Maps	CARTO
	OpenStreetMap

Analytics & Marketing

Analytics	Cloudflare Web Analytics
SEO	Google Search Console

Commerce & Payments

Payments	Stripe

Other

Directory	EasyDoFollow (2)
	FoundrList (2)
	Puthusu (2)
	SaaSBison (2)

Infrastructure

Network

CLOUDFLARENET - Cloudflare, Inc., US

AS13335 · US

DNS

Cloudflare DNS

Authoritative nameserver

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

Green hosting

Green hosted

Host runs on renewable energy. Data from The Green Web Foundation.

SSL Certificate

Google Trust Services

Valid 13 Aug 2026 to 11 Nov 2026

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

Domain Age

2 months

Registered Jun 2026 · OVH sas

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=none None (p=none). Monitoring only.

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) (partial) missing og:title, og:description

✓ Twitter card meta tags

✓ Canonical URL declared

✓ Responsive viewport meta tag

✓ Favicon present

✓ Semantic HTML (nav, main, article)

⚠

Page title is 67 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.

⚠

Meta description is 169 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?

186 ms Server response

70% Faster than peers

800 ms Largest contentful paint

0.00 Cumulative layout shift

283 KB Page weight

38 KB Image weight

5 Third-party domains

0 Console errors

0 Failed requests

⚠ 4 images: 1 oversized

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 palette signals	+5
AI writing signals	+5
AI iconography signals	+3
Recognised AI builder signature	+30
AI CSS signals	+8
AI code-structure signals	+5

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

Welcomes AI crawlers

✓ 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 (2 URLs)

✗ security.txt

✓ llms.txt

✗ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).

Detection works best on English language sites.

Security Headers (6/6)

✓

Referrer-Policy

✓

X-Frame-Options

✓

Permissions-Policy experimental (check browser support)

✓

X-Content-Type-Options

✓

Content-Security-Policy ⚠ CSP violation detected: your policy is blocking 1 of your own resource

✓

Strict-Transport-Security

–

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

Build

1 JS files

3 CSS files

5 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.