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QSenda

Transfer files directly between devices using QR codes. No account, pairing, or cloud file upload required.

Productivity

Added August 28, 2026 · Last analysed August 28, 2026 · via

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 28 August 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.

QSenda ships with the basics, with a thorough launch checklist. What needs work: missing several security headers, incomplete legal pages, and no robots.txt.

Launched on Product Hunt on August 28, 2026. The site is hosted on Xserver Inc. in Japan, with a domain registered in 2025. We've detected 4 technologies on this site, covering analytics, frameworks, servers, and tag management. The stack includes Flutter, Google Analytics, and Google Tag Manager.

It's one of 73 launches on this exact stack.

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

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 (4)

Infrastructure
Server nginx
Build & Framework
Framework Flutter (2)
Analytics & Marketing
Analytics Google Analytics (4)
Tag management Google Tag Manager (2)

Infrastructure

Network
AS131965 · JP
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
Let's Encrypt
Valid 22 Aug 2026 to 20 Nov 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
1 year
Registered Jun 2025 · GoDaddy.com, LLC

Email Security

SPF ~all (via apex mintier.dev) Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=none (via apex mintier.dev) 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 (2)

Cookies (2)
NameLifetimeDetected as
_ga 1y Google Analytics
_ga_T766ZRM1MX 1y Google Analytics

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description) (partial) missing og:image
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Meta description is 168 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?

1278 ms Server response
7% Faster than peers
823 ms Largest contentful paint
0.00 Cumulative layout shift
3.4 MB Page weight
2 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
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (5 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/legal/privacy_policy/privacy_policy.html
? Terms of Service not detected
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
96% unique

Security Headers (0/6)

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

Build

Code splitting
4 JS files
0 CSS files
2 Third-party domains

Brand Colours

App Manifest

qsenda
display: standalone 4 icons
theme #0175C2
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.