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RBF-Attention

If you crack open the architecture of almost any modern Transformer, you will find Scaled Dot-Product Attention (SDPA) sitting at its core. We rarely second-guess it. It is heavily optimized by hardwa

Added April 7, 2026 · Last analysed April 10, 2026 · via Hacker News · 70% unique tagline

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 10 April 2026; the live site may have changed since.

RBF-Attention ships with the basics, with a thorough launch checklist and clean crawl signals. Visible gaps: missing several security headers, incomplete legal pages, and tracking cookies set before any opt-in.

Launched on Hacker News on April 7, 2026. The site is served through Fastly, with a domain registered in 2022. We've detected 12 technologies on this site, covering package cdn, analytics, CDN, and DNS providers. The stack includes cdnjs, Fastly, and Font Awesome.

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

5.3
StackScope Score
Fair
94/100 Launch Readiness
Launch ready
0/3 Legal
Missing
2/2 Crawl files
Complete
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 (12)

Infrastructure
CDN Fastly (2)
DNS Namecheap DNS
Protocol HTTP/3 (2)
Security HSTS (2)
Email
Business email Google Workspace
Build & Framework
Font Google Fonts
Icon font Font Awesome
Package CDN cdnjs
jsDelivr (2)
Static site generator Nikola
Analytics & Marketing
Analytics Google Analytics (2)
SEO Google Search Console

Infrastructure

Network
AS54113 · US
DNS
Namecheap DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Google Trust Services
Valid 29 Mar 2026 to 28 Jun 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
3.9 years
Registered Sep 2022 · NameCheap, Inc.

Email Security

SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC Not published. Receivers fall back to permissive defaults.
?
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.

Readiness Breakdown How?

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

Vibe Score Breakdown How?

SignalPoints
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

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (32 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
Detection works best on English language sites.

Security Headers (1/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Performance

201ms response time
Faster than 71% of sites
6 third-party domains loaded

Build

Code splitting
6 JS files
5 CSS files
6 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.