Top websites: who runs their DNS and edge

The 100 highest-traffic websites, ranked by agreement across several public traffic and link lists, and the authoritative DNS provider of each site's domain and the CDN, WAF or cloud front door of the hostname people actually load.

Top 20 Top 100 Top 1,000

CDN & Security DNS

Top 100 fully scanned (2026-10-17). Updated weekly; the totals use each site's latest result.

CDN & Security Market Share, Top 100

Fastly 29%Cloudflare 22%Akamai 13%AWS 13%Self-hosted 12%Google Cloud 7.1%Azure 3.0%

Each site counts once; a site split across providers is split evenly (DNS: by nameserver count).

Sites

Azure · 3 of 99 sites

Rank	Site	Hostname scanned	CDN & security provider	DNS provider
13	github.com CDN Microsoft (own network) · DNS NS1 (IBM) 50% + AWS Route 53 50%	`github.com` scanned 2026-10-17	Microsoft (own network) M	NS1 (IBM) 50% + AWS Route 53 50% M
39	live.com CDN Microsoft (own network) · DNS Azure DNS	`outlook.live.com` scanned 2026-10-17	Microsoft (own network) M	Azure DNS
64	office.com CDN Microsoft (own network) · DNS Azure DNS	`outlook.office.com` scanned 2026-10-17	Microsoft (own network) M	Azure DNS

Unmarked labels are high confidence; M medium, L low (hover for details). Methodology.