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CacheFly versus Imperva

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

CacheFly logo Imperva logo

Company

Company CacheFly Imperva
Short profile Launched in 2002, CacheFly developed the world's first TCP-anycast based content delivery network. CacheFly has a focus on optimizing the CDN for throughput and has steadily built out the network to now have ~40 POPs on 6 continents. Imperva's CDN (formerly Incapsula) makes your websites and applications faster, more reliable and safer. A global network of servers provides content caching, load balancing and failover, while an enterprise-grade cloud web application firewall and DDoS protection safeguard your site from the latest threats.

Products

Product CacheFly Imperva
Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... Not available/supported Available/supported
Small file deliveryStatic object delivery; caching of small files (file size <1 MB) Available/supported Available/supported
Large file deliveryStatic object delivery; caching of large files (file size >1 MB) Available/supported Available/supported
Live videoDelivery of live video. RTMP? Transcoding/transmuxing? Available/supported Not available/supported
Video on demandDelivery of on demand video Available/supported Not available/supported
Image OptimizationAutomatic image compression/optimization Not available/supported Available/supported
DNSAuthoritative DNS for customer domain Not available/supported Partially
WAFWeb Application Firewall Not available/supported Available/supported
Anti-DDoSDDoS attack protection. Specific product(s) for this. Not available/supported Available/supported
Private CDNDedicated edge resources & custom configs Not available/supported Not available/supported

Network

Region CacheFly Imperva
North America 11 11
Latin America 2 2
Europe 14 12
Russia & CIS 1 1
Asia, excl China 7 11
China 0 0
Oceania 3 3
Middle-East 4 3
Africa 1 1

Pricing

Pricing & contract duration CacheFly Imperva
Minimum contract term 1 month Unknown
Minimum monthly costs $500 Unknown
Requests costsCustomers pay for client to CDN requests Unknown Unknown
Ingress costsCustomers pay for origin-to-CDN bytes transferred None Unknown
NA/EU traffic (low volume) Unknown Unknown
APAC traffic (low volume) Unknown Unknown
LATAM traffic (low volume) Unknown Unknown

Features

Web acceleration CacheFly Imperva
Instant setupSign up, configure, start testing. Not available/supported Available/supported
Change propagation delayHow fast do config changes propagate to all POPs? Unknown Available/supported Instant
Apex/root domain OK Blog: Root domain on CDN and performanceNo performance degradation when using http(s)://domain.com Available/supported Global Anycast Available/supported Anycasted network (regional)
HTTP/2 Available/supported Available/supported FAQ
IPv6Do the edge servers have IPv6? Unknown Available/supported IPv6 support
Compression CDN Guide: CompressionReduce file size for faster delivery Resend from origin Compress on the edge
Origin pull - protocolHTTP only or HTTPS possible too? Available/supported HTTP and HTTPS
tooltip Match client to edge request protocol is possible. Can't use an IP address.
Available/supported HTTP and HTTPS.
tooltip Can be IP address
Origin pull - Host headerUse client > edge value? Set specific value? Available/supported Set specific Host header value or forward value from client to edge request Available/supported Can configure specific other Host header.
tooltip Forward client request Host header is possible
Origin shieldOne POP pulls from origin, other POPs pull from the shield POP Available/supported Extra costs
Push / uploadStore your content directly on CDN, no customer origin Extra costs FTP, SFTP, SCP, rsync. Storage costs apply Not available/supported
Cache control - CDN caching Available/supported Origin headers are honored. Can config overrides Available/supported Granular control/override rules possible
Cache control - client caching Available/supported Origin headers are forwarded to client Available/supported Granular control/override rules possible
Serve stale CDN Guide: Serve staleCDN serves cached but expired content in case origin is in trouble Not available/supported Available/supported
Purge CDN Guide: PurgeInvalidate or delete cached objects on CDN Available/supported Instant Available/supported Instant
Purge - capabilities Partially Purge all but not purge by directory or tag or header Available/supported Purge all, by directory, by file extension, by tag(s)
Analytics Available/supported Near real-time, lots of metrics Available/supported Real time perf and security events dashboard
Log files Available/supported FTP, SCP, rsync
tooltip Logs are 24h delayed
Available/supported Available via UI, API, or full SIEM integration
tooltip Logs are not delayed
API Partially Purge and analytics, not for configuration Available/supported Purge, analytics, configuration
HTTPS & Content Protection CacheFly Imperva
CDN domain HTTPSUse the CDN's domain, like cloudfront.net Available/supported Free Available/supported CDN and SSL/TLS
Customer domain HTTPSYour domain in the CDN's certificate Extra costs Custom pricing for each customer Available/supported
Customer cert HTTPSYour certificate on the CDN Not available/supported Available/supported
Token authentication Available/supported Available/supported Via authentication header
Geo blocking Not available/supported Available/supported
Hotlink protectionThird parties cannot deeplink to your content Available/supported Available/supported
Basic authenticationUser logs in on the CDN to get content Not available/supported Available/supported Two Factor Authentication
IP white/blacklisting Not available/supported Available/supported IP address/ranges/subnets, self-service in UI

Support

Customer support CacheFly Imperva
Documentation Available/supported Yes, public Available/supported Yes, public
Humans Available/supported All customers get 24/7 email and phone support Available/supported Imperva’s team of support engineers deliver technical assistance 24x7x365 via phone, email, or online via the self service portal