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CDN & Security · head to head
Cloudflare vs Fastly
Cloudflare leads both: 12.3% of Fortune 500 CDN & security traffic and 20.5% of the top 1,000 websites.
Updated Oct 19 · 500 Fortune 500 companies tracked
Cloudflare
- Big companies using it
- 196
- CDN & security traffic
- 12.3%
- Share of hostnames
- 12.2%
- Top 1,000 websites
- 203 sites · 20.5%
- DNS share (big companies)
- 12.1%
Fastly
- Big companies using it
- 55
- CDN & security traffic
- 1.8%
- Share of hostnames
- 1.2%
- Top 1,000 websites
- 110 sites · 11.1%
- DNS share (big companies)
- no DNS product
Overlap
Big companies often run more than one CDN & security provider across their hostnames. No top website splits its traffic between them.
By sector
| Sector | Cloudflare | Fastly | Companies |
|---|---|---|---|
| Consumer | 9.7% | 0.0% | 120 (shares from 10) |
| Health Care | 15.6% | 6.7% | 47 (shares from 10) |
Traffic-weighted share within each sector. Sectors appear once 10 of their companies are fully scanned (not yet: Technology, Financials, Communication, Energy, Industrials, Materials, Real Estate, Utilities).
Biggest companies on each
Cloudflare 196 companies
- Walmart 4 of 36 hostnames found
- UnitedHealth Group 5 of 91 hostnames found
- Apple 1 of 142 hostnames found
- CVS Health 1 of 55 hostnames found
- Berkshire Hathaway 1 of 49 hostnames found
- McKesson 2 of 22 hostnames found
- ExxonMobil 1 of 40 hostnames found
- Cencora 1 of 9 hostnames found
- Microsoft 4 of 139 hostnames found
- Cigna Group 6 of 26 hostnames found
Fastly 55 companies
- Walmart 1 of 36 hostnames found
- UnitedHealth Group Main site 11 of 91 hostnames found
- Apple 3 of 142 hostnames found
- CVS Health 1 of 55 hostnames found
- Microsoft 1 of 139 hostnames found
- Costco Wholesale Main site 1 of 1 hostname found
- Cigna Group 1 of 26 hostnames found
- Kroger 1 of 11 hostnames found
- Valero Energy Main site 2 of 7 hostnames found
- Target Main site 1 of 1 hostname found
By Fortune rank.
Top websites on each
Cloudflare 203 of the top 1,000
Fastly 110 of the top 1,000
Numbers are site ranks.
Share = the CDN, WAF or cloud service visitors actually connect to, weighted by how much traffic each hostname gets. Shares count the sites and companies that answered our last scan: 988 of the top 1,000 and 49 Fortune 500 companies with complete data. How we measure.
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