Easily compare CDNetworks 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.
Company
| Company | CDNetworks | Imperva |
|---|---|---|
| Short profile | As a leading network with over 2,800 global Points of Presence and more than 20 years of technology experience, CDNetworks has made huge leaps forward in edge computing, from basic CDN services to elastic, stable, and secure content delivery services and all-in-one WAAP Protection Solution. Recognized in Gartner Competitive Landscape: CDN and Edge Services in 2022. | 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 | CDNetworks | Imperva |
|---|---|---|
| Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... | Dynamic Web Acceleration | Content Delivery Network |
| Small file deliveryStatic object delivery; caching of small files (file size <1 MB) | Content Acceleration | Content Caching |
| Large file deliveryStatic object delivery; caching of large files (file size >1 MB) | Content Acceleration | |
| Live videoDelivery of live video. RTMP? Transcoding/transmuxing? | Media Acceleration Live Broadcast | |
| Video on demandDelivery of on demand video | Media Acceleration VoD | |
| Image OptimizationAutomatic image transformation/compression/optimization | Image Processing | Image Compression |
| DNSAuthoritative DNS for customer domain | Cloud DNS+ |
Name Server (NS) Protection
Name Server (NS) Protection is a secure proxy in front of your authoritative DNS
|
| WAFWeb Application Firewall | Application Firewall | Web Application Firewall |
| Anti-DDoSDDoS attack protection. Specific product(s) for this. | Flood Shield | DDoS Protection |
| Private CDNDedicated edge resources & custom configs | ||
| Edge ComputeRun your code on CDN edge servers | Edge Computing Platform |
Network
How many POP locations do CDNetworks and Imperva have in different parts of the world?
| Region | CDNetworks | Imperva |
|---|---|---|
| North America | 13 | 12 |
| Latin America | 6 | 5 |
| Europe | 14 | 12 |
| Russia & CIS | 27 | 0 |
| Asia excl. China | 35 | 12 |
| China | 66 | 0 |
| Oceania | 3 | 3 |
| Middle East | 10 | 3 |
| Africa | 7 | 2 |
Pricing
| Pricing & contract duration | CDNetworks | Imperva |
|---|---|---|
| Minimum contract term | 12 months | Unknown |
| Minimum monthly costs | Unknown | Unknown |
| Requests costsCustomers pay for client to CDN requests | Unknown | Unknown |
| Ingress costsCustomers pay for origin-to-CDN bytes transferred | Unknown | Unknown |
| NA/EU traffic (low volume) | Unknown | Unknown |
| APAC traffic (low volume) | Unknown | Unknown |
| LATAM traffic (low volume) | Unknown | Unknown |
Features
| Web acceleration | CDNetworks | Imperva |
|---|---|---|
| Instant setupSign up, configure, start testing. | CDN Pro has self signup and getting started. For other products you must talk to sales | |
| Change propagation delayHow fast do config changes propagate to all POPs? | ~ 15 minutes | Instant |
Apex/root domain OK  No performance degradation when using http(s)://domain.com |
Anycasted network (regional) | |
| HTTP/2 | Docs | FAQ |
| HTTP/3 | ||
| WebSockets | Docs | WebSockets docs |
| IPv6Do the edge servers have IPv6? | Docs | IPv6 support |
| Compression Reduce file size for faster delivery |
Resend from origin, or compress on edge | Compress on the edge |
| Origin pull - protocolHTTP only or HTTPS possible too? | HTTP and HTTPS |
HTTP and HTTPS.
Can be IP address
|
| Origin pull - Host headerUse client > edge value? Set specific value? |
Configure specific other Host header
CDN can also forward client request Host header to origin
|
Can configure specific other Host header.
Forward client request Host header is possible
|
| Origin ShieldOne POP pulls from origin, other POPs pull from the shield POP | Multiple POPs can act as shield | |
| Waiting RoomDuring peak traffic, route users to a virtual waiting room | Waiting Room | |
| Push / uploadStore your content directly on CDN, no customer origin | ||
| Cache control - CDN caching | Full and granular control | Granular control/override rules possible |
| Cache control - client caching | Full and granular control | Granular control/override rules possible |
| Serve Stale CDN serves cached but expired content in case origin is in trouble |
||
| Purge Invalidate or delete cached objects on CDN |
Completion time is 5 - 10 minutes | Instant |
| Purge - capabilities | Purge all, by directory, by cache tag | Purge all, by directory, by file extension, by tag(s) |
| Analytics | Real time perf and security events dashboard | |
| Log files |
Available via UI, API, or full SIEM integration
Logs are not delayed
|
|
| API | Purge, analytics, configuration | Purge, analytics, configuration |
| HTTPS & Content Protection | CDNetworks | Imperva |
|---|---|---|
| CDN domain HTTPSUse the CDN's domain, like cloudfront.net | CDN and SSL/TLS | |
| Customer domain HTTPSYour domain in the CDN's certificate | ||
| Customer cert HTTPSYour certificate on the CDN | ||
| Token authentication | Via authentication header | |
| Geo blocking | ||
| Hotlink protectionThird parties cannot deeplink to your content | ||
| Basic authenticationUser logs in on the CDN to get content | Two Factor Authentication | |
| IP white/blacklisting | IP address/ranges/subnets, self-service in UI |
Support
| Customer support | CDNetworks | Imperva |
|---|---|---|
| Documentation | Yes, public | Yes, public |
| Humans | All customers get 24/7 email and phone support | Imperva’s team of support engineers deliver technical assistance 24x7x365 via phone, email, or online via the self service portal |