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Write Bubble

A private platform where writers share early manuscripts and reviewers give structured, honest feedback. Free beta reader tools, structured critique, and reviewer reputation tracking.

United Kingdom Estimated origin: United Kingdom

Added July 9, 2026 · Last analysed July 9, 2026 · via · 60% 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 9 July 2026; the live site may have changed since.

Write Bubble looks production-ready overall, with complete legal pages, a thorough launch checklist, and fast page loads. Visible gaps: missing several security headers and incomplete email security.

Launched on Product Hunt on July 9, 2026. The site is hosted on AWS S3 and served through AWS CloudFront, with a domain registered 11 weeks before launch. We've detected 19 technologies on this site, covering video, advertising, analytics, and CDN. The stack includes Usercentrics, Amazon SES, and Amazon Web Services.

It's on one of the most common stacks we track, shared by 323 launches.

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

Vibe Score 25 · Some 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 (19) · Scale-up stack

Infrastructure
CDN AWS CloudFront
Cloud Amazon Web Services
DNS AWS Route 53
Hosting AWS S3
Security Google reCAPTCHA
Email
Email marketing HubSpot
Transactional email Amazon SES (2)
Build & Framework
Developer tools Vite
JavaScript library React Router
Maps Mapbox
Video Bitmovin
Twitch
Analytics & Marketing
Advertising Bing Ads
Analytics Google Analytics (4)
Consent Usercentrics (3)
Social Instagram
Tag management Google Tag Manager (4)
Business Tools
Product demos Storylane (3)
Scheduling Calendly

Infrastructure

Network
AS16509 · US
DNS
AWS Route 53
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
Amazon
Valid 23 Apr 2026 to 6 Nov 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
2 months
Registered Apr 2026 · Gandi

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
?
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 (6)

Cookies (2)
NameLifetimeDetected as
_ga 1y Google Analytics
_ga_Z4LJ9BJW5G 1y Google Analytics
Local storage (3)
KeySizeDetected as
uc_settings 2.3 KB -
uc_ui_version 7 B -
uc_user_interaction 5 B -
Session storage (1)
KeySizeDetected as
uc_user_country 55 B Usercentrics

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 70 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 231 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.

Performance How?

101 ms Server response
94% Faster than peers
1056 ms Largest contentful paint
0.00 Cumulative layout shift
2.6 MB Page weight
636 KB Image weight
6 Third-party domains
0 Console errors
0 Failed requests

3 images: 3 oversized, 3 without width/height

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 copy signals +5
AI onboarding signals +5
AI palette signals +5
AI writing signals +5
AI layout 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

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

Well-Known Files

robots.txt
sitemap.xml (7 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/terms
Consent manager: Usercentrics
88% unique

Security Headers (0/6)

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

Build

Code splitting
10 JS files
1 CSS files
6 Third-party domains

Brand Colours

App Manifest

WriteBubble
display: standalone 3 icons
theme #4f8ff7
productivity books
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.