Websites Powered by Section.io

16,998 websites tracked using Section.io (CDN) · www.section.io

Section.io is a content delivery network that serves assets from edge locations worldwide. Its official site is section.io. PoweredBy tracks the websites that use Section.io across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the cdn ecosystem.

Usage trend

Core Web Vitals

Median site among 8,528 Section.io sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 4,075

Sweden 2,149

United Kingdom 2,037

France 1,665

India 1,575

Spain 1,499

Germany 1,326

Finland 1,123

Sites using Section.io by audience country, Chrome UX Report.

Usage by industry

Share of each industry's websites with a detected stack that use Section.io; 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 Section.io in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using Section.io

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).

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