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

rs-online.com

https://rs-online.com

Performance 63Accessibility 96SEO 83Best Practices 96

8 technologies detected · Last audited Apr 21, 2026

View full audit

Technology stack

Analytics

Ensighten Tealium iAdvize

Frontend

Bootstrap Google Search Console Priority Hints React Tailwind CSS

Frequently asked questions about rs-online.com

What technology does rs-online.com use?

rs-online.com is built with Bootstrap, Google Search Console, Priority Hints, React, and Tailwind CSS.

Is rs-online.com fast?

Somewhat — rs-online.com scores 63/100 on Lighthouse mobile performance, below the median audited site.

Is rs-online.com accessible?

Yes — rs-online.com scores 96/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does rs-online.com use?

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

Where is rs-online.com hosted?

Hosting provider for rs-online.com could not be determined from the most recent audit.

Does rs-online.com use HTTPS?

Yes — rs-online.com serves traffic over HTTPS.

1 audits

Apr 21, 2026 22:51 UTC Latest

Worker: worker-madrid-spain-02

View full report →

Scores

Performance 63Accessibility 96Best Practices 96SEO 83PWA 0

Timing

LCP: 6.02 sFirst Contentful Paint: 3.31 sTTFB: 37 msTotal Time: 37 msCumulative Layout Shift: 0.000

Send Feedback