Easily compare Kingsoft Cloud 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 | Kingsoft Cloud | Imperva |
|---|---|---|
| Short profile | Founded in 2012, Kingsoft Cloud owns data centers and POPs around the globe, provides users services and solutions for vertical industries. Relying on technology accumulation, they focus on video and file delivery and support varied protocols including RTMP, HLS, HDS, HTTP TS and HTTP FLV. | 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 | Kingsoft Cloud | Imperva |
|---|---|---|
| Dynamic content deliveryNon-cacheable content delivery. User login, shopping cart ... | Content Delivery Network | |
| Small file deliveryStatic object delivery; caching of small files (file size <1 MB) | Content Caching | |
| Large file deliveryStatic object delivery; caching of large files (file size >1 MB) | ||
| Live videoDelivery of live video. RTMP? Transcoding/transmuxing? | Live Stream Acceleration | |
| Video on demandDelivery of on demand video | Video On Demand Acceleration | |
| Image OptimizationAutomatic image transformation/compression/optimization | Need to enable Kingsoft Standard Storage Service | Image Compression |
| DNSAuthoritative DNS for customer domain |
Name Server (NS) Protection
Name Server (NS) Protection is a secure proxy in front of your authoritative DNS
|
|
| WAFWeb Application Firewall | Web Application Firewall | |
| Anti-DDoSDDoS attack protection. Specific product(s) for this. | DDoS Protection | |
| Private CDNDedicated edge resources & custom configs | ||
| Edge ComputeRun your code on CDN edge servers |
Network
How many POP locations do Kingsoft Cloud and Imperva have in different parts of the world?
| Region | Kingsoft Cloud | Imperva |
|---|---|---|
| North America | 5 | 12 |
| Latin America | 0 | 5 |
| Europe | 1 | 12 |
| Russia & CIS | 1 | 0 |
| Asia excl. China | 8 | 12 |
| China | 600 | 0 |
| Oceania | 0 | 3 |
| Middle East | 1 | 3 |
| Africa | 0 | 2 |
Pricing
| Pricing & contract duration | Kingsoft Cloud | Imperva |
|---|---|---|
| Minimum contract term | No minimum | Unknown |
| Minimum monthly costs | No minimum | Unknown |
| Requests costsCustomers pay for client to CDN requests | None | Unknown |
| Ingress costsCustomers pay for origin-to-CDN bytes transferred | None | Unknown |
| NA/EU traffic (low volume) | $0.03 per GB | Unknown |
| APAC traffic (low volume) | $0.07 per GB | Unknown |
| LATAM traffic (low volume) | $0.08 per GB | Unknown |
Features
| Web acceleration | Kingsoft Cloud | Imperva |
|---|---|---|
| Instant setupSign up, configure, start testing. | Account creation requires a Kingsoft Cloud employee's assistance | |
| Change propagation delayHow fast do config changes propagate to all POPs? | 5 minutes | Instant |
Apex/root domain OK  No performance degradation when using http(s)://domain.com |
Anycasted network (regional) | |
| HTTP/2 | FAQ | |
| HTTP/3 | ||
| WebSockets | WebSockets docs | |
| IPv6Do the edge servers have IPv6? | IPv6 support | |
| Compression Reduce file size for faster delivery |
Compress on the edge | |
| Origin pull - protocolHTTP only or HTTPS possible too? |
HTTP and HTTPS.
Match protocol
|
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 | Setup by a Kingsoft Cloud employee | |
| Waiting RoomDuring peak traffic, route users to a virtual waiting room | Waiting Room | |
| Push / uploadStore your content directly on CDN, no customer origin | Customers can use Kingsoft Standard Storage Service Product. Upload via API. $0.1 per GB stored | |
| Cache control - CDN caching |
By default, CDN honors origin headers
Full and granular control is possible
|
Granular control/override rules possible |
| Cache control - client caching |
By default, CDN honors origin headers
Full and granular control is possible
|
Granular control/override rules possible |
| Serve Stale CDN serves cached but expired content in case origin is in trouble |
Cache-Control extensions support | |
| Purge Invalidate or delete cached objects on CDN |
Avg. purge time is 40s, 99.97% completed within 5 minutes | Instant |
| Purge - capabilities | Purge all, purge by directory, soft purge | Purge all, by directory, by file extension, by tag(s) |
| Analytics | Real time perf and security events dashboard | |
| Log files | Accessible via UI and API. Free |
Available via UI, API, or full SIEM integration
Logs are not delayed
|
| API | Purge, configuration, analytics, logs | Purge, analytics, configuration |
| HTTPS & Content Protection | Kingsoft Cloud | Imperva |
|---|---|---|
| CDN domain HTTPSUse the CDN's domain, like cloudfront.net | SNI | CDN and SSL/TLS |
| Customer domain HTTPSYour domain in the CDN's certificate | SNI. Pricing is custom | |
| Customer cert HTTPSYour certificate on the CDN | SNI. Pricing is custom. EV cert possible | |
| Token authentication | Support is needed, custom pricing | Via authentication header |
| Geo blocking | Support is needed, custom pricing | |
| Hotlink protectionThird parties cannot deeplink to your content | Whitelist/blacklist on Referer header (max 100 entries) | |
| Basic authenticationUser logs in on the CDN to get content | Two Factor Authentication | |
| IP white/blacklisting | Whitelist/blacklist on IP (max 100 entries) | IP address/ranges/subnets, self-service in UI |
Support
| Customer support | Kingsoft Cloud | Imperva |
|---|---|---|
| Documentation | Good documentation but not public | Yes, public |
| Humans | Free, 24/7 email support and phone support | Imperva’s team of support engineers deliver technical assistance 24x7x365 via phone, email, or online via the self service portal |