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nih.gov

https://pubmed.ncbi.nlm.nih.gov

C75
Performance 81Accessibility 100SEO 92Best Practices 100

4 technologies detected · Last audited Apr 21, 2026

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Technology stack

Cdn

Google Cloud CDN Nginx

Frontend

HSTS

Hosting

Google Cloud

Frequently asked questions about nih.gov

What technology does nih.gov use?

nih.gov is built with HSTS, Google Cloud, Google Cloud CDN, and Nginx.

Is nih.gov fast?

Mostly — nih.gov scores 81/100 on Lighthouse mobile performance, above average but with room to improve.

Is nih.gov accessible?

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

What CMS does nih.gov use?

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

Where is nih.gov hosted?

nih.gov is hosted on Google Cloud.

Does nih.gov use HTTPS?

Yes — nih.gov serves traffic over HTTPS.

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3 audits

Apr 21, 2026 18:47 UTC Latest

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Worker: worker-madrid-spain-01

View full report →

Scores

Performance 81Accessibility 100Best Practices 100SEO 92PWA 0

Timing

LCP: 2.44 sFirst Contentful Paint: 1.85 sTTFB: 223 msTotal Time: 232 msCumulative Layout Shift: 0.007
Apr 21, 2026 18:47 UTC

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Worker: worker-madrid-spain-03

View full report →

Scores

Performance 50Accessibility 91Best Practices 96SEO 92PWA 0

Timing

LCP: 10.08 sFirst Contentful Paint: 2.46 sTTFB: 310 msTotal Time: 310 msCumulative Layout Shift: 0.000
Apr 16, 2026 17:06 UTC

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Worker: worker-saopaulo-br-01

View full report →

Scores

Performance 47Accessibility 96Best Practices 96SEO 92PWA 0

Timing

LCP: 6.69 sFirst Contentful Paint: 3.55 sTTFB: 609 msTotal Time: 609 msCumulative Layout Shift: 0.001

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