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What is WhatStack?

WhatStack is a technology detection and website profiling platform. Discover what CMS, frameworks, analytics, ad tech, payment processors, and hosting providers any website uses. Our detection engine analyzes HTTP headers, HTML patterns, JavaScript globals, DNS records, cookies, and ads.txt to identify 8,000+ web technologies with high accuracy.

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Lead generation for agencies and SaaS companies. Competitive analysis and market research. Technology adoption tracking across industries. Sales prospecting based on technology stack. Website auditing and technology profiling for consulting.

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Detecting 8,000+ web technologies across CMS, ecommerce, analytics, advertising, and more.

CentOS — Websites Using CentOS | WhatStack

Websites Using CentOS

CentOS is a Linux distribution that provides a free, enterprise-class, community-supported operating system derived from Red Hat Enterprise Linux sources. It offers long-term stability and compatibility for servers, though the traditional version ended in 2021 in favor of CentOS Stream.

Categories: Operating system

Official website: https://www.centos.org

1221 websites using CentOS

CentOS is ranked #4 of 20 in Operating system by website adoption.

Operating system alternatives ranked by popularity

Windows Server — 16,107 websites
Ubuntu — 9,661 websites
Debian — 2,478 websites
UNIX — 647 websites
AlmaLinux — 0 websites
Alpine Linux — 0 websites
Darwin — 0 websites
Fedora — 0 websites
FreeBSD — 0 websites
Gentoo — 0 websites

Technologies commonly used with CentOS

Apache HTTP Server — 91% co-occurrence
Apache — 91% co-occurrence
PHP — 84% co-occurrence
OpenSSL — 68% co-occurrence
Google Analytics — 48% co-occurrence
Open Graph — 43% co-occurrence
jQuery — 43% co-occurrence
Google Analytics 4 — 36% co-occurrence

How WhatStack detects CentOS

WhatStack detects CentOS 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 CentOS?: CentOS is a Linux distribution that provides a free, enterprise-class, community-supported operating system derived from Red Hat Enterprise Linux sources. It offers long-term stability and compatibility for servers, though the traditional version ended in 2021 in favor of CentOS Stream.
How many websites use CentOS?: WhatStack has detected CentOS on 1221 websites in our database.
How do you detect CentOS?: We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify CentOS with high accuracy using signature-based pattern matching.