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cncf.io

https://www.cncf.io

B80
Performance 79Accessibility 95SEO 100Best Practices 100

21 technologies detected · Last audited Apr 7, 2026

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Technology stack

Analytics

Flying Pages Google Tag Manager HubSpot HubSpot Analytics HubSpot WordPress plugin New Relic

Backend

PHP

Cdn

Fastly Nginx

Cms

WordPress

Frontend

Browser-Update.org Bulma HSTS MariaDB MySQL Open Graph Priority Hints Segment Varnish jQuery

Hosting

Pantheon

Frequently asked questions about cncf.io

What technology does cncf.io use?

cncf.io is built with WordPress, Browser-Update.org, Bulma, HSTS, and MariaDB.

Is cncf.io fast?

Mostly — cncf.io scores 79/100 on Lighthouse mobile performance, above average but with room to improve.

Is cncf.io accessible?

Yes — cncf.io scores 95/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does cncf.io use?

cncf.io runs on WordPress.

Where is cncf.io hosted?

cncf.io is hosted on Pantheon.

Does cncf.io use HTTPS?

Yes — cncf.io serves traffic over HTTPS.

1 audits

Apr 7, 2026 20:27 UTC Latest

/

Worker: worker-madrid-spain-02

View full report →

Scores

Performance 79Accessibility 95Best Practices 100SEO 100PWA 0

Timing

LCP: 4.26 sFirst Contentful Paint: 2.67 sTTFB: 147 msTotal Time: 148 msCumulative Layout Shift: 0.001

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