Websites Using Clerk

Clerk is a user authentication and identity management platform that provides pre-built components and APIs for implementing sign-in, sign-up, and user profile features. It offers modern authentication methods including social logins, multi-factor authentication, and session management.

Categories: Security

Official website: https://clerk.com

106 websites using Clerk

Clerk is ranked #73 of 316 in Security by website adoption.

Security alternatives ranked by popularity

HSTS — 127,643 websites
Cloudflare WAF — 52,384 websites
Cloudflare Bot Management — 32,541 websites
reCAPTCHA — 31,130 websites
Cloudflare DDoS Protection — 24,882 websites
reCAPTCHA Enterprise — 17,344 websites
hCaptcha — 7,159 websites
Akamai Kona Site Defender — 5,720 websites
Cloudflare Turnstile — 5,485 websites
DDoS-Guard — 2,925 websites

Technologies commonly used with Clerk

React — 96% co-occurrence
Node.js — 95% co-occurrence
Next.js — 95% co-occurrence
Priority Hints — 89% co-occurrence
Open Graph — 85% co-occurrence
HSTS — 77% co-occurrence
Vercel — 65% co-occurrence
Vercel Edge Network — 65% co-occurrence

How WhatStack detects Clerk

WhatStack detects Clerk by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.

Frequently Asked Questions

What is Clerk?: Clerk is a user authentication and identity management platform that provides pre-built components and APIs for implementing sign-in, sign-up, and user profile features. It offers modern authentication methods including social logins, multi-factor authentication, and session management.
How many websites use Clerk?: WhatStack has detected Clerk on 106 websites in our database.
How do you detect Clerk?: We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify Clerk with high accuracy using signature-based pattern matching.