Calcolo.tools

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Health

Added August 5, 2026 · Last analysed August 5, 2026 · via

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 August 2026; the live site may have changed since.

Calcolo.tools is largely in shape, with a thorough launch checklist and clean crawl signals. Worth fixing first: missing several security headers, incomplete legal pages, and broken MTA-STS configuration.

Launched on Product Hunt on August 5, 2026. The site is served through Cloudflare, with a domain registered 7 months before launch. The crawl picked up 14 technologies on this site, covering advertising, consent tooling, seo, and analytics. The stack includes Google, Google Funding Choices, and Tailwind CSS.

For context, it's running the same core stack as 6,727 other launches.

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

6.4

StackScope Score

Good

100/100 Launch Readiness

Launch ready

3/6 Security Headers

Decent

0/3 Legal

Missing

2/2 Crawl files

Complete

86/100 Performance

Fast

Vibe Score 5 · Few 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 (14)

Infrastructure

CDN	Cloudflare
DNS	Cloudflare DNS
Protocol	HTTP/3

Build & Framework

API	Google APIs
CSS framework	Tailwind CSS
Font	Google Fonts

Analytics & Marketing

Advertising	Google Ads
Advertising	Google AdSense (3)
Analytics	Google Analytics (3)
Consent	Google
Consent	Google Funding Choices (2)
SEO	Bing Webmaster
SEO	Google Search Console
Tag management	Google Tag Manager (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 3 Jul 2026 to 1 Oct 2026

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

Domain Age

7 months

Registered Jan 2026 · Porkbun LLC

Email Security

✓

SPF -all Strict (-all). Strong.

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

✓

DMARC p=reject Reject (strict). Strong.

⚠

MTA-STS Misconfigured. DNS record is published but the mta-sts policy host is unreachable, so receivers ignore the policy entirely.

✓

TLS-RPT Reporting endpoint configured. Receivers can tell you about TLS failures.

Storage (1)

Cookies (1)

Name	Lifetime	Detected as
FCCDCF	1y	Google Funding Choices

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)

⚠

Page title is 65 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.

Performance How?

564 ms Server response

27% Faster than peers

668 ms Largest contentful paint

0.00 Cumulative layout shift

1.9 MB Page weight

0 KB Image weight

5 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 writing 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

Blocks AI crawlers

✗ llms.txt published

✗ 9 AI bots blocked in robots.txt

Content-Signal

✗ ai-train = no

✓ search = yes

? ai-input (not declared)

Link headers

? None advertised

Well-Known Files

✓ robots.txt

✓ sitemap.xml (10 URLs)

✗ security.txt

✗ llms.txt

✓ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

✓ Consent manager: Google

Detection works best on English language sites.

Security Headers (3/6)

✓

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

✓ Code splitting

7 JS files

5 CSS files

5 Third-party domains

Brand Colours

App Manifest

Calcolo.tools

display: standalone 2 icons

theme #4f46e5

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