Browse & Analyze

History

Browse recent website audits and performance trends

Technologies

Explore technology stacks detected across the web

Compare

Side-by-side technology comparisons and market share

Stacks

Curated technology stacks and the sites that use them

Reports

Editorial deep-dives on the state of web performance

Favicons

Browse and download favicons from analyzed websites

Learn

FAQ

Common questions about BeaverCheck scores and checks

How We Score

How we calculate scores across 100+ checks

About

The story behind BeaverCheck and the team

Learn

Practical guides to fix common web performance issues

Migration Guides

Step-by-step guides for moving between web technologies

Glossary

Definitions for performance, SEO, and web platform terms

Contrast Checker

Check WCAG color contrast ratios between any two colors

HTTP Headers

Inspect HTTP response headers for any URL

SSL Checker

Analyze SSL/TLS certificate details and chain

DNS Lookup

Look up DNS records for any domain

Redirect Checker

Trace the full redirect chain for any URL

INP Checker

Real-user INP and Core Web Vitals from Google's Chrome UX Report.

API

RESTful API for programmatic website audits

Badge

Embed an auto-updating health score badge on your site

pennycalc.com

https://Pennycalc.com

Performance 96Accessibility 91SEO 100Best Practices 100

10 technologies detected · Last audited May 10, 2026

View full audit

Technology stack

Analytics

Google AdSense Google Analytics Google Tag Manager

Cdn

Cloudflare

Frontend

Astro Funding Choices Google Search Console HTTP/3 Open Graph Tailwind CSS

Frequently asked questions about pennycalc.com

What technology does pennycalc.com use?

pennycalc.com is built with Astro, Funding Choices, Google Search Console, HTTP/3, and Open Graph.

Is pennycalc.com fast?

Yes — pennycalc.com scores 96/100 on Lighthouse mobile performance, in the top tier of audited sites.

Is pennycalc.com accessible?

Yes — pennycalc.com scores 91/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does pennycalc.com use?

No CMS fingerprint was detected on pennycalc.com — it may use a static site generator or a custom application.

Where is pennycalc.com hosted?

pennycalc.com is served through Cloudflare.

Does pennycalc.com use HTTPS?

Yes — pennycalc.com serves traffic over HTTPS.

1 audits

May 10, 2026 11:31 UTC Latest

Worker: worker-madrid-spain-04

View full report →

Scores

Performance 96Accessibility 91Best Practices 100SEO 100PWA 0

Timing

LCP: 1.63 sFirst Contentful Paint: 962 msTTFB: 157 msTotal Time: 157 msCumulative Layout Shift: 0.000

Send Feedback