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e621.net

https://e621.net

B87
Performance 85Accessibility 96SEO 92Best Practices 96

10 technologies detected · Last audited May 10, 2026

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Technology stack

Backend

Ruby

Cdn

Cloudflare

Frontend

Google Search Console Google Workspace HSTS Open Graph RSS Ruby on Rails Stimulus jQuery

Frequently asked questions about e621.net

What technology does e621.net use?

e621.net is built with Google Search Console, Google Workspace, HSTS, Open Graph, and RSS.

Is e621.net fast?

Mostly — e621.net scores 85/100 on Lighthouse mobile performance, above average but with room to improve.

Is e621.net accessible?

Yes — e621.net scores 96/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does e621.net use?

No CMS fingerprint was detected on e621.net — it may use a static site generator or a custom application.

Where is e621.net hosted?

e621.net is served through Cloudflare.

Does e621.net use HTTPS?

Yes — e621.net serves traffic over HTTPS.

1 audits

May 10, 2026 14:18 UTC Latest

/

Worker: worker-madrid-spain-03

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Scores

Performance 85Accessibility 96Best Practices 96SEO 92PWA 0

Timing

LCP: 4.34 sFirst Contentful Paint: 1.62 sTTFB: 401 msTotal Time: 545 msCumulative Layout Shift: 0.004

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