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TradeCalc

92 free calculators for construction, electrical, HVAC, plumbing, framing, concrete, landscaping, home improvement, and unit conversion. No signup required. NEC 2023 compliant.

86% unique tagline

tradecalc.org · Added April 10, 2026 · Last analysed April 10, 2026· via Product Hunt

This analysis is a snapshot taken on 10 April 2026. The site may have changed since then and results may not reflect its current state.
6.7
StackScope Score
Good
5/100 Vibe Score
Few AI signals
60/100 Launch Readiness
Well prepared
blocking
AI Stance
Blocks AI crawlers

Tech Stack (9)

Infrastructure
Cloudflare Cdn http_header_name http_header_value
Cloudflare DNS DNS ns_host
HTTP/3 Protocol http_header_value
Analytics & Marketing
Cloudflare Web Analytics Analytics script_src
Google Ads Advertising script_src
Google AdSense Advertising script_src
Google Analytics Analytics cookie_name script_src
Google Funding Choices Consent cookie_name script_src
Google Search Console Seo meta_name txt_prefix

Infrastructure

Hosting
AS13335 · US
SSL Certificate
Google Trust Services
Expires 26 Jun 2026

Readiness Breakdown How?

Canonical URL declared
Responsive viewport meta tag
Custom title and meta description
Semantic HTML (nav, main, article)
Privacy policy page present
- Open Graph tags (title, image, description)
- Source maps not exposed in production
- Error tracking service installed
- Twitter card meta tags
- Favicon present

Vibe Score Breakdown How?

SignalPoints
Distinctive iconography conventions +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.

Well-Known Files

llms.txt
security.txt
ads.txt
humans.txt

Legal

88% unique
Mentions:
GDPR Cookies

Security Headers (0/6)

Referrer-Policy
X-Frame-Options
Permissions-Policy
X-Content-Type-Options
Content-Security-Policy
Strict-Transport-Security
X-XSS-Protection (legacy)

Performance

95ms response time
Faster than 94% of sites
5 third-party domains loaded

Build

HTML minified
6 JS files
5 Third-party domains
Is this your site? 4 tips to improve your score
- Add a /.well-known/security.txt so security researchers can reach you. Learn more
- Consider adding a llms.txt file to help AI models understand your site. Not yet a standard, but gaining adoption. Learn more
- Improve your security headers. Scan your site at securityheaders.com to see what's missing.
- Add Open Graph tags so your site looks good when shared on social media. Learn more
Embed this score on your site
StackScope Score
<a href="https://stackscope.dev/launch/vis4jvvs/tradecalc"><img src="https://stackscope.dev/badge/vis4jvvs.svg" alt="StackScope Score" height="28" /></a>