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haveibeenpwned.com

https://haveibeenpwned.com

Performance 68Accessibility 81SEO 100Best Practices 81

14 technologies detected · Last audited Apr 21, 2026

View full audit

Technology stack

Analytics

PayPal Vercel Speed Insights

Cdn

Cloudflare cdnjs

Frontend

Bootstrap Cloudflare Bot Management Cloudflare Turnstile Google Search Console HSTS HTTP/3 Open Graph Priority Hints RSS Tailwind CSS

Frequently asked questions about haveibeenpwned.com

What technology does haveibeenpwned.com use?

haveibeenpwned.com is built with Bootstrap, Cloudflare Bot Management, Cloudflare Turnstile, Google Search Console, and HSTS.

Is haveibeenpwned.com fast?

Somewhat — haveibeenpwned.com scores 68/100 on Lighthouse mobile performance, below the median audited site.

Is haveibeenpwned.com accessible?

Mostly — haveibeenpwned.com scores 81/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does haveibeenpwned.com use?

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

Where is haveibeenpwned.com hosted?

haveibeenpwned.com is served through Cloudflare.

Does haveibeenpwned.com use HTTPS?

Yes — haveibeenpwned.com serves traffic over HTTPS.

1 audits

Apr 21, 2026 21:50 UTC Latest

Worker: worker-newyork-us-01

View full report →

Scores

Performance 68Accessibility 81Best Practices 81SEO 100PWA 0

Timing

LCP: 6.02 sFirst Contentful Paint: 3.64 sTTFB: 29 msTotal Time: 30 msCumulative Layout Shift: 0.000

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