Websites Powered by C

218,456 websites tracked using C (Programming languages) · www.open-std.org

C is a programming language the site's backend is built in. Its official site is open-std.org. PoweredBy tracks the websites that use C across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the programming languages ecosystem.

Usage trend

Core Web Vitals

Median site among 29,296 C sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 8,996

Germany 5,362

India 5,056

Russia 4,894

United Kingdom 4,559

Japan 4,108

France 3,964

Netherlands 3,864

Sites using C by audience country, Chrome UX Report.

Usage by industry

Share of each industry's websites with a detected stack that use C; industries come from what sites declare in their own structured data.

Top sites by authority

The share of the web's most authoritative domains, by Open Page Rank tier, seen running C in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using C

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

Compare C

• C vs PHP
• C vs Node.js
• C vs Java
• C vs TypeScript
• C vs Ruby

Related Programming languages

• PHP
• Node.js
• Java
• TypeScript
• Ruby