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libretexts.org

https://libretexts.org

C75
Performance 66Accessibility 93SEO 85Best Practices 100

19 technologies detected · Last audited Apr 22, 2026

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Technology stack

Backend

PHP

Cdn

Cloudflare

Cms

Drupal

Frontend

AddToAny Bootstrap Clipboard.js Donorbox FancyBox Google Font API Google Search Console Google Workspace HSTS Isotope Masonry Microsoft OWL Carousel Popper Swiper jQuery

Frequently asked questions about libretexts.org

What technology does libretexts.org use?

libretexts.org is built with Drupal, AddToAny, Bootstrap, Clipboard.js, and Donorbox.

Is libretexts.org fast?

Somewhat — libretexts.org scores 66/100 on Lighthouse mobile performance, below the median audited site.

Is libretexts.org accessible?

Yes — libretexts.org scores 93/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does libretexts.org use?

libretexts.org runs on Drupal 10.

Where is libretexts.org hosted?

libretexts.org is served through Cloudflare.

Does libretexts.org use HTTPS?

Yes — libretexts.org serves traffic over HTTPS.

1 audits

Apr 22, 2026 23:37 UTC Latest

/

Worker: worker-singapore-sg-01

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Scores

Performance 66Accessibility 93Best Practices 100SEO 85PWA 0

Timing

LCP: 21.41 sFirst Contentful Paint: 2.92 sTTFB: 763 msTotal Time: 1.24 sCumulative Layout Shift: 0.017

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