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Fastly versus Limelight

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

Fastly logo Limelight logo


Company Fastly Limelight
Short profile Founded in 2011, Fastly has grown into a mature CDN provider. Fastly offers a range of services including streaming media delivery and private CDN but Fastly is best known for being a 'real-time CDN', meaning changes happen instantly and the platform can deliver 'uncacheable' content well. Limelight (NASDAQ: LLNW) has been a strong player in the CDN market since 2001. Limelight has a large, high-capacity network with POPs on many continents and offers digital content delivery, live and on-demand video, cloud security and edge computing services.


  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Unknown = Unknown
Product Fastly Limelight
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Yes Yes Web Acceleration Services
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Yes Yes Content Delivery Services
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Yes Yes Content Delivery Services
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Yes Yes Realtime and Live Streaming
Video on demandDelivery of on demand video Yes Video on Demand Yes Video Delivery Services
Image OptimizationAutomatic image transformation/compression/optimization Yes Image Optimizer Extra costs Image Optimization
DNSAuthoritative DNS for customer domain No Yes Managed DNS Services
WAFWeb Application Firewall Yes Web application firewall Yes Web Application Firewall
Anti-DDoSDDoS attack protection. Specific product(s) for this. Yes DDoS Mitigation Yes DDoS Attack Interceptor
Private CDNDedicated edge resources & custom configs Yes Fastly Managed CDN Yes Global Private CDN
Edge ComputeRun your code on CDN edge servers Unknown Compute@Edge Yes Network-Enhanced Edge Compute


Region Fastly Limelight
North America 17 20
Latin America 6 9
Europe 13 15
Russia & CIS 0 0
Asia excl. China 7 16
China 0 10
Oceania 6 3
Middle-East 1 9
Africa 2 3


Pricing & contract duration Fastly Limelight
Minimum contract term None 12 months
Minimum monthly costs $50 Varies by product and service
Requests costsCustomers pay for client to CDN requests $0.0075 - $0.016 per 10k requests None
Ingress costsCustomers pay for origin-to-CDN bytes transferred None Yes
NA/EU traffic (low volume) $0.12 per GB Confidential, market competitive
APAC traffic (low volume) $0.19 per GB Confidential, market competitive
LATAM traffic (low volume) $0.28 per GB Confidential, market competitive


  • Yes = Yes
  • Sortof/partially = Sort of/partially
  • No = No
  • Extra costs = Extra costs
  • Unknown = Unknown
Web acceleration Fastly Limelight
Instant setupSign up, configure, start testing. Yes Yes
Change propagation delayHow fast do config changes propagate to all POPs? Yes Instant! Sortof/partially A few minutes
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s):// Yes Global anycast IPs are available Extra costs Alias support optional
HTTP/2 Yes Yes
IPv6Do the edge servers have IPv6? Yes IPv6 at Fastly Yes
Compression CDN Guide: CompressionReduce file size for faster delivery Yes Resend from origin, or compress on edge. Brotli! Yes Resend from origin, or compress on edge
Origin pull - protocolHTTP only or HTTPS possible too? Yes HTTP and HTTPS Yes HTTP and HTTPS.
tooltip Match protocol
Origin pull - Host headerUse client > edge value? Set specific value? Yes Can be different from origin host 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 Yes Also available as separate product (Media Shield) Yes Self-service control
Push / uploadStore your content directly on CDN, no customer origin No Extra costs Origin Storage. Upload via UI or API
Cache control - CDN caching Yes Full and granular control Yes
Cache control - client caching Yes Full and granular control Yes
Serve Stale CDN Guide: Serve StaleCDN serves cached but expired content in case origin is in trouble Yes Cache-Control extensions support Yes
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Yes Instant! Yes Instant
Purge - capabilities Yes Purge all and by key Yes Purge by path, all, pattern, wildcard.
Analytics Yes Real-time! Yes
Log files Yes Real-time streaming of logs to your server Extra costs Download logs via FTP, SFTP, rsync and scp
tooltip Delay is ~10 minutes
API Yes Purge, analytics, configuration Yes Purge, analytics, configuration, OVP, origin storage
HTTPS & Content Protection Fastly Limelight
CDN domain HTTPSUse the CDN's domain, like Yes Free for first 5 domains, $20 per additional domain Yes Free. SNI
Customer domain HTTPSYour domain in the CDN's certificate Extra costs $100/m per FQDN, $275/m for wildcard domain Extra costs
Customer cert HTTPSYour certificate on the CDN Extra costs EV cert possible. Extra costs
Token authentication Yes Enabling URL token validation Yes MediaVault. Highly customizable
Geo blocking Yes Yes IP access control by Geo and IP
Hotlink protectionThird parties cannot deeplink to your content Yes Creating and using Edge Dictionaries Yes MediaVault. Highly customizable
Basic authenticationUser logs in on the CDN to get content Yes Authenticating before returning a request Yes MediaVault. Highly customizable
IP white/blacklisting Yes About Edge ACLs Yes MediaVault. Highly customizable


Customer support Fastly Limelight
Documentation Yes Yes, public Sortof/partially Yes, but not public
Humans Yes Email support during business hours is free. Pay extra if you need more/better. Two paid plans available Yes All customers get 24/7 email and phone support. Customers who purchase Advanced Services have access to a designated Limelight Advanced Services team member.