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ParquetKit

Free online Parquet viewer, SQL workbench and converter. Everything runs locally in your browser — your files never leave your device.

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Added July 15, 2026 · Last analysed July 15, 2026 · via · 50% unique tagline

Own this Launch?
Screenshot of ParquetKit

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 15 July 2026; the live site may have changed since.

ParquetKit has the basics covered well, with a thorough launch checklist and clean crawl signals. Main gaps: no Content-Security-Policy, incomplete legal pages, and incomplete email security.

Launched on Product Hunt on July 15, 2026. The site is hosted on Vercel, with a domain registered 3 days before launch. Our crawler found 11 technologies on this site, covering analytics, CSS frameworks, DNS providers, and email forwarding. The stack includes Next.js, React, and Tailwind CSS.

It's also on one of the most common stacks we track, shared by 10,373 launches and more locked down than the typical Product Hunt launch.

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

7.4
StackScope Score
Good
100/100 Launch Readiness
Launch ready
5/6 Security Headers
Strong
0/3 Legal
Missing
2/2 Crawl files
Complete
100/100 Performance
Fast
Vibe Score 15 · 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 (11) · Indie stack

Infrastructure
DNS Vercel DNS
Hosting Vercel
Security HSTS
Email
Email forwarding ImprovMX (2)
Transactional email Resend
Build & Framework
CSS framework Tailwind CSS
Framework React
Meta-framework Next.js (5)
Analytics & Marketing
Analytics Cloudflare Web Analytics (2)
SEO Google Search Console
Business Tools
Error tracking Sentry

Infrastructure

Network
AMAZON-02 - Amazon.com, Inc., US
AS16509 · US
DNS
Vercel DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 12 Jul 2026 to 10 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
4 days
Registered Jul 2026 · Name.com, Inc.

Email Security

✓
SPF ~all Soft-fail (~all). Common and accepted.
✓
DKIM Detected via known email provider
✗
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)
✓ Twitter card meta tags
✓ Canonical URL declared
✓ Responsive viewport meta tag
✓ Favicon present
✓ Semantic HTML (nav, main, article)
⚠
Page title is 68 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?

265 ms Server response
61% Faster than peers
608 ms Largest contentful paint
0.00 Cumulative layout shift
567 KB Page weight
27 KB 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?

SignalPoints
AI writing signals +5
Default scaffold favicon +10

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
? 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 (5/6)

✓
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
14 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.