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clerk.com

Clerk | Authentication and User Management

5 tech detected
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April 1, 2026

Executive Summary

Our system detected 5 technologies powering clerk.com. Some of the key ones include Tailwind CSS, PostHog, Vercel.

This website has a poor performance score of 39%, and it runs slow with a 12.1s load time. The page size is 2235 KiB with 128 requests. This means the site is balanced. It needs improvement to load faster. It also has very good SEO.

"The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”."

Tech Architecture

5 Layers

CSS Framework

1 Tech identified

Analytics Tools

1 Tech identified

Hosting Provider

1 Tech identified

Frontend Framework

1 Tech identified

Authentication Systems

1 Tech identified