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crossref.org

https://crossref.org

C71
Performance 61Accessibility 76SEO 92Best Practices 96

25 technologies detected · Last audited Apr 22, 2026

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Technology stack

Analytics

Act-On Piwik PRO Core

Build

Usersnap

Cdn

AWS CloudFront Amazon CloudFront Amazon S3 cdnjs jsDelivr CDN

Frontend

Algolia Amazon Route 53 Bootstrap DataTables FancyBox Font Awesome Google Workspace Hugo Masonry MathJax Microsoft Open Graph RSS Vimeo jQuery

Hosting

AWS Amazon Web Services

Frequently asked questions about crossref.org

What technology does crossref.org use?

crossref.org is built with Algolia, Amazon Route 53, Bootstrap, DataTables, and FancyBox.

Is crossref.org fast?

Somewhat — crossref.org scores 61/100 on Lighthouse mobile performance, below the median audited site.

Is crossref.org accessible?

Mostly — crossref.org scores 76/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does crossref.org use?

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

Where is crossref.org hosted?

crossref.org is hosted on AWS.

Does crossref.org use HTTPS?

Yes — crossref.org serves traffic over HTTPS.

1 audits

Apr 22, 2026 21:07 UTC Latest

/

Worker: worker-madrid-spain-01

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Scores

Performance 61Accessibility 76Best Practices 96SEO 92PWA 0

Timing

LCP: 15.28 sFirst Contentful Paint: 3.94 sTTFB: 345 msTotal Time: 345 msCumulative Layout Shift: 0.004

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