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Cloudflare versus CenturyLink

Easily compare Cloudflare and CenturyLink for POP locations, products, pricing, features & support. We hope this helps you better understand the similarities and differences between these content delivery networks.

Cloudflare logo CenturyLink logo

Company

Company Cloudflare CenturyLink
Short profile Cloudflare provides a global CDN with unique performance capabilities and a strong focus on security. The company has a global infrastructure built from the ground up using only next-generation, high-performance equipment—no legacy software or hardware. The result is a CDN that's easy to set up, affordable, and built to continuously adapt and integrate emerging technologies to meet future needs of everyone's Internet properties. CenturyLink owns and operates a global Tier-1 network and - logically - their CDN runs on top of it. CenturyLink CDN has POPs on all continents and their product focus is on video and large object delivery. CenturyLink CDN is part of the Google Cloud CDN Interconnect.

Products

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Unknown = Unknown
Product Cloudflare CenturyLink
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Yes No
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Yes Yes
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Yes Yes
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? No Yes CDN Mesh Delivery
Video on demandDelivery of on demand video Yes Stream Yes CDN Mesh Delivery
Image OptimizationAutomatic image transformation/compression/optimization Yes Image Resizing, Mirage, Polish No
DNSAuthoritative DNS for customer domain Yes DNS No
WAFWeb Application Firewall Yes Cloud Web Application Firewall No
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes DDoS Protection Yes
Private CDNDedicated edge resources & custom configs No No
Edge ComputeRun your code on CDN edge servers Yes Workers Unknown

Network

Region Cloudflare CenturyLink
North America 43 29
Latin America 11 9
Europe 37 36
Russia & CIS 5 0
Asia excl. China 16 7
China 21 0
Oceania 5 4
Middle-East 10 4
Africa 9 3

Pricing

Pricing & contract duration Cloudflare CenturyLink
Minimum contract term None 12 months
Minimum monthly costs $0 Unknown
Requests costsCustomers pay for client to CDN requests None None
Ingress costsCustomers pay for origin-to-CDN bytes transferred None None
NA/EU traffic (low volume) $0 Unknown
APAC traffic (low volume) $0 Unknown
LATAM traffic (low volume) $0 Unknown

Features

  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration Cloudflare CenturyLink
Instant setupSign up, configure, start testing. Yes No Can't sign up and get started. Must talk to sales.
Change propagation delayHow fast do config changes propagate to all POPs? Yes Instant Unknown
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Yes Global Anycast network No No global Anycast
HTTP/2 Yes No
IPv6Do the edge servers have IPv6? Yes Unknown
Compression CDN Guide: CompressionReduce file size for faster delivery Yes Resend from origin, or compress on edge Sortof/partially Resend from origin only
tooltip Does not compress on the edge
Origin pull - protocolHTTP only or HTTPS possible too? Yes HTTP and HTTPS Yes HTTP and HTTPS.
Origin pull - Host headerUse client > edge value? Set specific value? Yes Can be an IP address Yes Configure specific other Host header
tooltip CDN can also forward client request Host header to origin
Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP Extra costs Tiered Cache; part of the paid add-on Argo Extra costs
Push / uploadStore your content directly on CDN, no customer origin No Extra costs FTP, SFTP, rsync. Storage costs apply
Cache control - CDN caching Yes Page rules for overriding caching headers Sortof/partially
Cache control - client caching Yes Sortof/partially
Serve Stale CDN Guide: Serve StaleCDN serves cached but expired content in case origin is in trouble Sortof/partially Only 'stale while revalidate' Unknown
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes ~ 5 seconds Yes Instant
Purge - capabilities Sortof/partially Purge per file and purge all Sortof/partially Purge all but not purge by directory or tag or header
Analytics Yes Web analytics, threats and more Yes
Log files Extra costs Only for Enterprise customers Yes
tooltip Logs are 24h delayed
API Yes Purge, analytics, configuration Sortof/partially Purge, analytics, configuration (but limited)
HTTPS & Content Protection Cloudflare CenturyLink
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Yes SNI No
Customer domain HTTPSYour domain in the CDN's certificate Extra costs More info Extra costs
Customer cert HTTPSYour certificate on the CDN Extra costs Extra costs
Token authentication Yes More info Extra costs
Geo blocking Yes Access Rules Extra costs
Hotlink protectionThird parties cannot deeplink to your content Yes Unknown
Basic authenticationUser logs in on the CDN to get content Unknown Unknown
IP white/blacklisting Yes Access Rules Unknown

Support

Customer support Cloudflare CenturyLink
Documentation Yes Yes, public. Cloudflare Community. Sortof/partially Yes, but not public
Humans Sortof/partially Email support for all. Phone only for Enterprise customers Yes All customers get 24/7 email and phone support