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congress.gov

https://congress.gov

B80
Performance 87Accessibility 90SEO 36Best Practices 92

5 technologies detected · Last audited Apr 21, 2026

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Technology stack

Cdn

Cloudflare

Frontend

AngularJS Cloudflare Bot Management Cloudflare Turnstile Google Search Console

Frequently asked questions about congress.gov

What technology does congress.gov use?

congress.gov is built with AngularJS, Cloudflare Bot Management, Cloudflare Turnstile, Google Search Console, and Cloudflare.

Is congress.gov fast?

Mostly — congress.gov scores 87/100 on Lighthouse mobile performance, above average but with room to improve.

Is congress.gov accessible?

Yes — congress.gov scores 90/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does congress.gov use?

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

Where is congress.gov hosted?

congress.gov is served through Cloudflare.

Does congress.gov use HTTPS?

Yes — congress.gov serves traffic over HTTPS.

1 audits

Apr 21, 2026 19:10 UTC Latest

/

Worker: worker-madrid-spain-02

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Scores

Performance 87Accessibility 90Best Practices 92SEO 36PWA 0

Timing

LCP: 1.48 sFirst Contentful Paint: 973 msTTFB: 112 msTotal Time: 113 msCumulative Layout Shift: 0.003

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