Websites Powered by C

218,677 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 29,606 C sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 8,940

Germany 5,289

India 5,058

Russia 4,980

United Kingdom 4,556

Japan 4,060

France 4,044

Netherlands 3,919

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