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addthis.com

https://addthis.com

C72
Performance 55Accessibility 90SEO 92Best Practices 96

1 technologies detected · Last audited Apr 21, 2026

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Technology stack

Frontend

Proofpoint

Frequently asked questions about addthis.com

What technology does addthis.com use?

addthis.com is built with Proofpoint.

Is addthis.com fast?

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

Is addthis.com accessible?

Yes — addthis.com scores 90/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does addthis.com use?

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

Where is addthis.com hosted?

Hosting provider for addthis.com could not be determined from the most recent audit.

Does addthis.com use HTTPS?

Yes — addthis.com serves traffic over HTTPS.

1 audits

Apr 21, 2026 19:21 UTC Latest

/

Worker: worker-madrid-spain-03

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Scores

Performance 55Accessibility 90Best Practices 96SEO 92PWA 0

Timing

LCP: 11.97 sFirst Contentful Paint: 4.13 sTTFB: 35 msTotal Time: 36 msCumulative Layout Shift: 0.000

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