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Stream-sock-3f5

By Faiz Vadakkumpadath

Developer Tools
South Korea Estimated origin: South Korea

Added April 9, 2026 · Last analysed April 10, 2026 · via Hacker News

Own this Launch?
Screenshot of Stream-sock-3f5

StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored 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.

Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.

Stream-sock-3f5 looks production-ready overall, with a thorough launch checklist and clean crawl signals. Visible gaps: no Permissions-Policy, incomplete legal pages, and no email security records.

Launched on Hacker News on April 8, 2026. The site is hosted on AWS S3 and served through Cloudflare. We've detected 55 technologies on this site, covering advertising, analytics, media handling, and social embeds. The stack includes Contentful, Google OAuth, and Google Sign-In.

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
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 (55)

Infrastructure
CDN Cloudflare (4)
Hosting AWS S3
Protocol HTTP/3 (2)
Security HSTS (2)
Storage Box
Google Cloud Storage
Email
Email marketing Customer.io
Build & Framework
Auth Google OAuth
Google Sign-In
Captcha Cloudflare Turnstile
hCaptcha
CMS Contentful
Developer tools GitHub Gist
Jam
Maps Google Maps
VersaTiles
Media Embedly
GIPHY
Unsplash
Video Mux
Vimeo
YouTube
Analytics & Marketing
Advertising Google Ads
Podscribe
Tapad
X (Twitter) Ads
Analytics Amplitude
Google Analytics
Naver Analytics
Sprig
Consent Transcend
Feature flags Statsig
Marketing automation Metadata.io
Personalisation TailorHQ
Publishing Gist
Social Google Search
Twitter Widgets
X (Twitter)
Tag management Google Tag Manager
Commerce & Payments
Payments Stripe
Business Tools
Chat Smooch (Sunshine Conversations)
Zendesk Chat
Communication Slack
Community Common Room
Error tracking Sentry
Forms Typeform
Productivity Bynder
Notion (4)
Recruiting Greenhouse
Scheduling Cal.com
Chili Piper
Support Forethought
Zendesk
AI & Emerging
AI agent Decagon
Sierra

Infrastructure

Network
NOTION-WEB - Notion Labs, Inc., US
AS33191 · US
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
Google Trust Services
Valid 21 Feb 2026 to 22 May 2026
Certificate as captured in this snapshot, not a live check.

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.

Storage (1)

Cookies (1)
NameLifetimeDetected as
notion_browser_id 23h Notion
HTTP cookies only. This snapshot pre-dates 21 Apr 2026 when StackScope started capturing JavaScript-set cookies, localStorage, IndexedDB, and Cache Storage.

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)

AI Stance

Welcomes AI crawlers
✓ 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 (23 URLs)
✓ security.txt
✓ llms.txt
✗ ads.txt
✗ humans.txt

Legal

? Privacy Policy not detected
? Terms of Service not detected
✓ Consent manager: Transcend
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)

Performance

437ms response time
Faster than 38% of sites
1 third-party domains loaded

Build

0 JS files
0 CSS files
1 Third-party domains
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.