Spanner — Invoice App for Tradies & Mechanics
Create GST invoices, collect Stripe card payments, and get paid faster. Free invoice app for tradies, mechanics, plumbers, and small business owners. Available on iOS and Android.
Estimated origin: Australia
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 30 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.
Spanner — Invoice App for Tradies & Mechanics scores highly overall, with complete legal pages, a thorough launch checklist, and clean crawl signals. Visible gaps: missing Permissions-Policy and Content-Security-Policy and incomplete email security.
The site is served through Fastly, with a domain registered 2 weeks before launch. We've detected 9 technologies on this site, covering transactional email, CDN, CSS frameworks, and DNS providers. The stack includes Astro, Tailwind CSS, and Fastly.
It's on one of the most common stacks we track, shared by 840 launches and more locked down than the typical StackScope Discovery launch.
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Tech Stack (9)
| CDN |
Fastly
|
| DNS |
Squarespace DNS
|
| Security | HSTS |
| CSS framework |
Tailwind CSS
|
| Font |
Google Fonts
|
| Meta-framework |
Astro
|
| SEO |
Google Search Console
|
Infrastructure
Email Security
Storage (0)
Readiness Breakdown How?
Performance How?
⚠ 9 images: 4 oversized, 6 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?
| Signal | Points |
|---|---|
| Placeholder branding | +10 |
| AI onboarding signals | +5 |
| AI palette signals | +5 |
| AI writing signals | +5 |
| AI code-structure signals | +20 |
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.