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Radi8

UpLink was a 491-gram high altitude balloon payload with a custom 3D printed enclosure, a LoRa image downlink, and two independent trackers. It reached the stratosphere, sent back hundreds of pictures, and we never recovered it.

Added August 20, 2026 · Last analysed August 20, 2026 · via Hacker News

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Screenshot of Radi8

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

Radi8 is early-stage. What needs work: missing several security headers, incomplete legal pages, and no sitemap.

Launched on Hacker News on August 20, 2026. The site is served through Cloudflare, with a domain registered in 2023. We've detected 13 technologies on this site, covering analytics, CDN, DNS providers, and business email. The stack includes htmx, Bluesky, and Cloudflare.

It's one of 35 launches on this exact stack.

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

3.2
StackScope Score
Poor
76/100 Launch Readiness
Well prepared
0/6 Security Headers
Poor
0/3 Legal
Missing
1/2 Crawl files
Partial
70/100 Performance
Fast
Vibe Score 0 · No 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 (2)
DNS Cloudflare DNS
Security TCPShield
Email
Business email Zoho Mail (2)
Email forwarding Cloudflare Email Routing
Transactional email Mailjet (2)
Build & Framework
Framework htmx (2)
Package CDN unpkg
Analytics & Marketing
Analytics Cloudflare Web Analytics (2)
Shynet
SEO Google Search Console
Social Bluesky
Business Tools
SaaS Zoho

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
3.4 years
Registered Apr 2023 · Namecheap 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 (1)

Cookies (1)
NameLifetimeDetected as
cf_clearance 1y Cloudflare

Readiness Breakdown How?

✓ Custom title and meta description
✓ Open Graph tags (title, image, description)
✓ Twitter card meta tags
✓ Responsive viewport meta tag
✓ Semantic HTML (nav, main, article)
⚠
Page title is 61 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 228 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.
- Canonical URL declared
- Favicon present

Performance How?

344 ms Server response
49% Faster than peers
540 ms Largest contentful paint
0.00 Cumulative layout shift
3.3 MB Page weight
2.7 MB Image weight
3 Third-party domains
0 Console errors
0 Failed requests

⚠ 27 images: 21 oversized, 27 without width/height, 1 missing alt text

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

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
✗ 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 (0/6)

✗
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
0 CSS files
3 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.