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clinicaltrials.gov

https://clinicaltrials.gov

C77
Performance 42Accessibility 97SEO 100Best Practices 96

15 technologies detected · Last audited Apr 21, 2026

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Technology stack

Analytics

Google Analytics Google Tag Manager

Backend

TypeScript

Cdn

Envoy Google Cloud CDN

Frontend

Angular Google Domains Google Font API Google Search Console HSTS Open Graph Zone.js core-js web-vitals

Hosting

Google Cloud

Frequently asked questions about clinicaltrials.gov

What technology does clinicaltrials.gov use?

clinicaltrials.gov is built with Angular, Google Domains, Google Font API, Google Search Console, and HSTS.

Is clinicaltrials.gov fast?

No — clinicaltrials.gov scores 42/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is clinicaltrials.gov accessible?

Yes — clinicaltrials.gov scores 97/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does clinicaltrials.gov use?

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

Where is clinicaltrials.gov hosted?

clinicaltrials.gov is hosted on Google Cloud.

Does clinicaltrials.gov use HTTPS?

Yes — clinicaltrials.gov serves traffic over HTTPS.

1 audits

Apr 21, 2026 19:54 UTC Latest

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Worker: worker-saopaulo-br-01

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Scores

Performance 42Accessibility 97Best Practices 96SEO 100PWA 0

Timing

LCP: 9.26 sFirst Contentful Paint: 2.76 sTTFB: 139 msTotal Time: 143 msCumulative Layout Shift: 0.035

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