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doi.gov

https://doi.gov

C75
Performance 56Accessibility 89SEO 92Best Practices 100

15 technologies detected · Last audited Apr 22, 2026

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Technology stack

Analytics

Google Analytics Google Tag Manager Siteimprove

Backend

PHP

Cdn

jsDelivr CDN

Cms

Drupal

Frontend

Cloudflare Day.js HSTS Microsoft 365 Open Graph Tailwind CSS USWDS jQuery web-vitals

Frequently asked questions about doi.gov

What technology does doi.gov use?

doi.gov is built with Drupal, Cloudflare, Day.js, HSTS, and Microsoft 365.

Is doi.gov fast?

Somewhat — doi.gov scores 56/100 on Lighthouse mobile performance, below the median audited site.

Is doi.gov accessible?

Mostly — doi.gov scores 89/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does doi.gov use?

doi.gov runs on Drupal 10.

Where is doi.gov hosted?

doi.gov is served through jsDelivr CDN.

Does doi.gov use HTTPS?

Yes — doi.gov serves traffic over HTTPS.

1 audits

Apr 22, 2026 21:32 UTC Latest

/

Worker: worker-madrid-spain-04

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Scores

Performance 56Accessibility 89Best Practices 100SEO 92PWA 0

Timing

LCP: 9.73 sFirst Contentful Paint: 3.80 sTTFB: 133 msTotal Time: 133 msCumulative Layout Shift: 0.000

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