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circleci.com

https://circleci.com

Performance 55Accessibility 94SEO 85Best Practices 96

17 technologies detected · Last audited Apr 7, 2026

View full audit

Technology stack

Analytics

Google Tag Manager

Cdn

AWS CloudFront Amazon CloudFront

Cms

Contentful

Frontend

Amazon Route 53 Apple Cookie Control Cookiebot Google Font API Google Search Console HSTS Open Graph Proofpoint Segment Tailwind CSS

Hosting

AWS Amazon Web Services

Frequently asked questions about circleci.com

What technology does circleci.com use?

circleci.com is built with Contentful, Amazon Route 53, Apple, Cookie Control, and Cookiebot.

Is circleci.com fast?

Somewhat — circleci.com scores 55/100 on Lighthouse mobile performance, below the median audited site.

Is circleci.com accessible?

Yes — circleci.com scores 94/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does circleci.com use?

circleci.com runs on Contentful.

Where is circleci.com hosted?

circleci.com is hosted on AWS.

Does circleci.com use HTTPS?

Yes — circleci.com serves traffic over HTTPS.

1 audits

Apr 7, 2026 20:29 UTC Latest

Worker: worker-santaclara-us-01

View full report →

Scores

Performance 55Accessibility 94Best Practices 96SEO 85PWA 0

Timing

LCP: 5.82 sFirst Contentful Paint: 4.19 sTTFB: 114 msTotal Time: 131 msCumulative Layout Shift: 0.102

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