Fastly DDoS Protection vs Imperva DDoS Protection

Fastly DDoS Protection9.1Visit Imperva DDoS Protection8.9Visit

Higher score Fastly DDoS Protection #3 in DDoS Protection Software 9.1/10 Free plan Free plan✓ 0 of 2 features Visit Fastly

vs

Imperva DDoS Protection #5 in DDoS Protection Software 8.9/10 Pricing on request ✓ 1 of 2 features Visit Imperva

• Fastly DDoS Protection fits best

  Usage-based web and API protection

• Imperva DDoS Protection fits best

  Organizations needing cloud DDoS and WAF alignment

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Side by side

Feature	Fastly DDoS Protection 9.1/10 Visit ↗	Imperva DDoS Protection 8.9/10 Visit ↗
At a glance
Editor score	9.1	8.9
Ranking	#3 in DDoS Protection Software	#5 in DDoS Protection Software
Best for	Usage-based web and API protection	Organizations needing cloud DDoS and WAF alignment
Pricing model	Free plan + paid	Paid
Starting price	$0.01/unit/mo	—
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Email, Phone, Community, Docs
Built for	Small business, Mid-market, Enterprise	Enterprise
Features Fastly DDoS Protection 0/2 · Imperva DDoS Protection 1/2
Managed mitigation	Not checked yet	✓ (best)
WAF included	—	Not checked yet
Specs
Attack layers	Both	Both
Mitigation mode	Always-on	Hybrid
Deployment model	Cloud	Cloud
Protection capacity	Not checked yet	Not checked yet
Our review
Pros	Covers both network-layer and application-layer attacks Near-real-time mitigation with continuous anomaly detection Zero-attack-fee billing for mitigated attack spikes	Protects both network-layer and application-layer traffic Offers automated mitigation, Anycast routing, and 13 Tbps capacity Connects with SIEM systems and Imperva cloud WAF
Cons	WAF protection is not included The free tier does not specify a request allowance Pricing is based on monthly request volume	Requires sales contact for pricing Deployment options may require GRE or cross-connect configuration Web platform only, with no free plan
Our verdict	Fastly DDoS Protection is a cloud-based service for detecting and mitigating distributed denial-of-service attacks against applications, APIs, and infrastructure. It is designed for teams protecting web and API traffic across cloud,… Read the review →	Imperva DDoS Protection is a cloud-based service for organizations defending websites, APIs, network infrastructure, DNS servers, and internet-facing IPs. It covers Layer 3/4 volumetric and protocol attacks alongside Layer 7 application… Read the review →

Strengths and trade-offs

• Fastly DDoS Protection — where it wins

  • Covers both network-layer and application-layer attacks
  • Near-real-time mitigation with continuous anomaly detection
  • Zero-attack-fee billing for mitigated attack spikes

  Where it doesn't

  • WAF protection is not included
  • The free tier does not specify a request allowance
  • Pricing is based on monthly request volume

• Imperva DDoS Protection — where it wins

  • Protects both network-layer and application-layer traffic
  • Offers automated mitigation, Anycast routing, and 13 Tbps capacity
  • Connects with SIEM systems and Imperva cloud WAF

  Where it doesn't

  • Requires sales contact for pricing
  • Deployment options may require GRE or cross-connect configuration
  • Web platform only, with no free plan

• Fastly DDoS Protection9.1/10 · Free plan

  Usage-priced protection for network and application-layer DDoS attacks.

  Visit FastlyFull verdict →
• Imperva DDoS Protection8.9/10 · Pricing on request

  Managed Layer 3/4 and Layer 7 protection with always-on or on-demand mitigation.

  Visit ImpervaFull verdict →