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letterboxd.com

https://letterboxd.com

C71
Performance 25Accessibility 83SEO 83Best Practices 77

36 technologies detected · Last audited Apr 21, 2026

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Technology stack

Analytics

Ad Lightning Amazon Advertising AppNexus Criteo DoubleClick Floodlight Google Analytics Google Publisher Tag Google Tag Manager ID5 OpenX Prebid Rubicon Project Tapad

Backend

PHP

Build

Webpack

Cdn

Cloudflare

Frontend

Admiral Apple Cloudflare Turnstile Facebook Funding Choices GSAP Google Play app Google Search Console Google Workspace HSTS Modernizr Nette Framework Open Graph PubSubJS Vite core-js iOS app jQuery jQuery UI

Hosting

Snowplow Analytics

Frequently asked questions about letterboxd.com

What technology does letterboxd.com use?

letterboxd.com is built with Admiral, Apple, Cloudflare Turnstile, Facebook, and Funding Choices.

Is letterboxd.com fast?

No — letterboxd.com scores 25/100 on Lighthouse mobile performance, indicating significant optimization opportunities.

Is letterboxd.com accessible?

Mostly — letterboxd.com scores 83/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does letterboxd.com use?

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

Where is letterboxd.com hosted?

letterboxd.com is hosted on Snowplow Analytics.

Does letterboxd.com use HTTPS?

Yes — letterboxd.com serves traffic over HTTPS.

1 audits

Apr 21, 2026 21:56 UTC Latest

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Worker: worker-santaclara-us-01

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Scores

Performance 25Accessibility 83Best Practices 77SEO 83PWA 0

Timing

LCP: 52.39 sFirst Contentful Paint: 18.56 sTTFB: 46 msTotal Time: 120 msCumulative Layout Shift: 0.000

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