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Scalable reversi

scalable reversi: the (4+2n)**2grids reversi. infinite undo available via a1 style.

h1yapp.com · Added June 21, 2026 · Last analysed June 21, 2026 · via Hacker News · 73% unique tagline

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Screenshot of Scalable reversi

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 June 2026; the live site may have changed since.

Scalable reversi looks production-ready overall. Main gaps: missing Permissions-Policy and Strict-Transport-Security, incomplete legal pages, and no robots.txt.

Launched on Hacker News on June 21, 2026. The site is hosted on Cloudflare in the United States, with a domain registered 8 months before launch. We've detected 7 technologies on this site, covering advertising, CDN, DNS providers, and business email. The stack includes Brave Rewards, Cloudflare, and Cloudflare DNS.

It's more locked down than the typical Hacker News launch.

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

6.3
StackScope Score
Good
76/100 Launch Readiness
Well prepared
4/6 Security Headers
Decent
2/3 Legal
Partial
1/2 Web Standards
Partial
100/100 Performance
Fast
Vibe Score 0 · No AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (7)

Infrastructure
CDN Cloudflare (2)
DNS Cloudflare DNS
Protocol HTTP/3
Email
Business email Google Workspace
Email forwarding Cloudflare Email Routing (2)
Analytics & Marketing
Advertising Brave Rewards
SEO Google Search Console

Infrastructure

Network
CLOUDFLARENET - Cloudflare, Inc., US
AS13335 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Enabled
DNSKEY records published. DNS responses signed.
SSL Certificate
Google Trust Services
Valid 28 Apr 2026 to 27 Jul 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
8 months
Registered Oct 2025 · Cloudflare, Inc.

Email Security

✓
SPF -all Strict (-all). Strong.
?
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 (1)

Cookies (1)
NameLifetimeDetected as
cf_clearance 12mo Cloudflare

Readiness Breakdown How?

✓ Custom title and meta description
✓ Canonical URL declared
✓ Responsive viewport meta tag
✓ Favicon present
✓ Semantic HTML (nav, main, article)
- Open Graph tags (title, image, description)
- Twitter card meta tags

Performance How?

162 ms Server response
78% Faster than peers
332 ms Largest contentful paint
0.00 Cumulative layout shift
39 KB Page weight
1 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.

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 (148 URLs)
✗ security.txt
✗ llms.txt
✗ ads.txt
✗ humans.txt

Legal

✓ Privacy Policy
? Terms of Service not detected
98% unique

Security Headers (4/6)

✓
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

3 JS files
2 CSS files
1 Third-party domains

Brand Colours

App Manifest

scalable reversi by h1yapp
display: fullscreen 1 icon
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