# Fastly's Web Application and API Security vs Imperva Web Application Firewall (WAF) Comparison

| | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Star Rating** | 4.2 out of 5 | 4.7 out of 5 | 
| **Total Reviews** | 30 | 41 | 
| **Largest Market Segment** | Mid-Market (51.7% of reviews) | Enterprise (43.6% of reviews) | 
| **Entry Level Price** | No pricing available | Contact Us 1 $$ | 

---
## Top Pros & Cons

### Fastly's Web Application and API Security

Pros:
- Ease of Use (5 reviews)
- Security (5 reviews)

Cons:
- Expensive (3 reviews)
- Poor Customer Support (3 reviews)

### Imperva Web Application Firewall (WAF)

Pros:
- Protection (23 reviews)
- Cybersecurity (21 reviews)

Cons:
- Complex Configuration (4 reviews)
- Ineffective Blocking (4 reviews)

---
## Ratings Comparison
| Rating | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
  | **Meets Requirements** | 8.9 (25 reviews) | 9.5 (36 reviews) | 
  | **Ease of Use** | 9.1 (25 reviews) | 9.3 (35 reviews) | 
  | **Ease of Setup** | 9.1 (16 reviews) | 9.1 (18 reviews) | 
  | **Ease of Admin** | 9.2 (16 reviews) | 9.1 (17 reviews) | 
  | **Quality of Support** | 9.1 (25 reviews) | 9.0 (35 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.2 (16 reviews) | 9.1 (17 reviews) | 
  | **Product Direction (% positive)** | 9.5 (24 reviews) | 9.3 (33 reviews) | 

---
## Pricing

### Fastly's Web Application and API Security

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Imperva Web Application Firewall (WAF)

#### Entry-Level Pricing

Plan: Essentials

Price: Contact Us 1 $$

Key Features:
- Cloud-based WAF protection for OWASP/HTTP threats

[Browse all 3 editions](https://www.g2.com/products/imperva-web-application-firewall-waf/pricing)

#### Free Trial

No

---
## Features Comparison By Category

### Website Security

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Administration

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Content Delivery** | Not enough data | Not enough data | 
| **Dashboard & Reporting** | Not enough data | Not enough data | 
| **Alerting** | Not enough data | Not enough data | 

#### Risk Analysis

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Blacklist and Whitelist** | Not enough data | Not enough data | 
| **Vulnerability Assessment** | Not enough data | Not enough data | 
| **Security Auditing** | Not enough data | Not enough data | 

#### Threat Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Firewall** | Not enough data | Not enough data | 
| **DDoS Protection** | Not enough data | Not enough data | 
| **Malware Detection** | Not enough data | Not enough data | 
| **Malware Removal** | Not enough data | Not enough data | 

#### Generative AI

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

### Web Application Firewall (WAF)

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | 8.6/10 | 9 |
| **Imperva Web Application Firewall (WAF)** | 9.2/10 | 33 |

#### Analysis

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Logging and Reporting** | 9.1 (9 reviews) | 9.3 (28 reviews) | 
| **Issue Tracking** | 8.1 (7 reviews) | 8.9 (28 reviews) | 
| **Security Monitoring** | 9.1 (9 reviews) | 9.3 (29 reviews) | 

#### Controls

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Application-Layer Controls ** | 8.8 (8 reviews) | 9.2 (26 reviews) | 
| **Traffic Controls** | 8.1 (7 reviews) | 9.0 (29 reviews) | 
| **Network Controls** | 8.1 (7 reviews) | 9.3 (30 reviews) | 

#### Functionality

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **API / Integrations** | 9.1 (9 reviews) | 9.1 (26 reviews) | 
| **Extensibility** | 8.1 (7 reviews) | 9.2 (28 reviews) | 
| **Bot Traffic** | Not enough data | Not enough data | 

#### Generative AI

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

### DDoS Protection

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Management

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **IT Alerting** | Not enough data | Not enough data | 
| **Network Capacity** | Not enough data | Not enough data | 
| **Logging** | Not enough data | Not enough data | 
| **API / Integrations** | Not enough data | Not enough data | 

#### Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **DNS Protection** | Not enough data | Not enough data | 
| **Website Protection** | Not enough data | Not enough data | 
| **Infrastructure Protection** | Not enough data | Not enough data | 

#### Resolution

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Attack Mitigation** | Not enough data | Not enough data | 
| **Network Monitoring** | Not enough data | Not enough data | 
| **Security Monitoring** | Not enough data | Not enough data | 
| **Anomoly Detection** | Not enough data | Not enough data | 
| **Resolution Automation** | Not enough data | Not enough data | 

### Cloud Security Monitoring and Analytics

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Activity Monitoring

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Usage Monitoring** | Not enough data | Not enough data | 
| **Database Monitoring** | Not enough data | Not enough data | 
| **API Monitoring** | Not enough data | Not enough data | 
| **Activity Monitoring** | Not enough data | Not enough data | 

#### Security

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Compliance Monitoring** | Not enough data | Not enough data | 
| **Risk Analysis** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 

#### Administration

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Security Automation** | Not enough data | Not enough data | 
| **Security Integration** | Not enough data | Not enough data | 
| **Multicloud Visibility** | Not enough data | Not enough data | 

#### Agentic AI - Cloud Security Monitoring and Analytics

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### API Security

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### API Management 

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **API Discovery** | Not enough data | Not enough data | 
| **API Monitoring** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Change Management** | Not enough data | Not enough data | 

#### Security Testing

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Compliance Monitoring** | Not enough data | Not enough data | 
| **API Verification** | Not enough data | Not enough data | 
| **API Testing** | Not enough data | Not enough data | 

#### Security Management

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Security and Policy Enforcement** | Not enough data | Not enough data | 
| **Anomoly Detection** | Not enough data | Not enough data | 
| **Bot Detection** | Not enough data | Not enough data | 

### Cloud Edge Security

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Management

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Multicloud Management** | Not enough data | Not enough data | 
| **DLP Configuration** | Not enough data | Not enough data | 
| **Dynamic Scaling** | Not enough data | Not enough data | 
| **Policy Enforcement** | Not enough data | Not enough data | 

#### Monitoring

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Data Center Networking** | Not enough data | Not enough data | 
| **Multicloud Visibility** | Not enough data | Not enough data | 
| **Anomaly Detection** | Not enough data | Not enough data | 

#### Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Firewall-as-a-Service** | Not enough data | Not enough data | 
| **Cloud Application Brokerage** | Not enough data | Not enough data | 
| **Web Gateway** | Not enough data | Not enough data | 
| **Adaptive Access Control** | Not enough data | Not enough data | 

### Client-Side Protection

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Threat Detection and Protection - Client-Side Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Continuous Scanning** | Not enough data | Not enough data | 
| **Signature-Based Detection** | Not enough data | Not enough data | 
| **Threat Protection** | Not enough data | Not enough data | 
| **Risk Prioritization** | Not enough data | Not enough data | 
| **Heuristic Analysis** | Not enough data | Not enough data | 

#### Data Security - Client-Side Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **First-Party JavaScript Obfuscation** | Not enough data | Not enough data | 
| **Browser Security** | Not enough data | Not enough data | 
| **Encryption** | Not enough data | Not enough data | 
| **Obfuscation** | Not enough data | Not enough data | 
| **Data Loss Prevention (DLP)** | Not enough data | Not enough data | 
| **Third-Party Security** | Not enough data | Not enough data | 
| **Endpoint Security** | Not enough data | Not enough data | 

#### Logging and Monitoring - Client-Side Protection

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Event Logging** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 

### Bot Detection and Mitigation

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Bot Detection & Classification - Bot Detection and Mitigation

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Bot Traffic Analytics** | Not enough data | Not enough data | 
| **Good Bot Identification** | Not enough data | Not enough data | 
| **Malicious Bot Detection** | Not enough data | Not enough data | 

#### Protection & Mitigation - Bot Detection and Mitigation

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Automated Bot Mitigation** | Not enough data | Not enough data | 
| **API Abuse Protection** | Not enough data | Not enough data | 
| **Account Takeover Protection** | Not enough data | Not enough data | 

#### AI-Powered Detection & Intelligence - Bot Detection and Mitigation

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **AI-Powered Bot Detection** | Not enough data | Not enough data | 
| **AI Agent & LLM Traffic Management** | Not enough data | Not enough data | 
| **Adaptive AI Threat Response** | Not enough data | Not enough data | 

### Threat Intelligence

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Orchestration

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Asset Management** | Not enough data | Not enough data | 
| **Security Workflow Automation** | Not enough data | Not enough data | 
| **Deployment** | Not enough data | Not enough data | 
| **Sandboxing** | Not enough data | Not enough data | 

#### Information

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Proactive Alerts** | Not enough data | Not enough data | 
| **Malware Detection** | Not enough data | Not enough data | 
| **Intelligence Reports** | Not enough data | Not enough data | 

#### Personalization

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Endpoint Intelligence** | Not enough data | Not enough data | 
| **Security Validation** | Not enough data | Not enough data | 
| **Dynamic/Code Analysis** | Not enough data | Not enough data | 

#### Generative AI

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 
| **Generate Attack Scenarios** | Not enough data | Not enough data | 
| **Generate Threat Detection Rules** | Not enough data | Not enough data | 
| **Generate Threat Summaries** | Not enough data | Not enough data | 

#### Agentic AI - Threat Intelligence

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Cloud Security

| Product | Score | Reviews |
|---|---|---|
| **Fastly's Web Application and API Security** | N/A | N/A |
| **Imperva Web Application Firewall (WAF)** | N/A | N/A |

#### Cloud Visibility

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Data Discovery** | Not enough data | Not enough data | 
| **Cloud Registry** | Not enough data | Not enough data | 
| **Cloud Gap Analytics** | Not enough data | Not enough data | 

#### Security

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Data Security** | Not enough data | Not enough data | 
| **Data loss Prevention** | Not enough data | Not enough data | 
| **Security Auditing** | Not enough data | Not enough data | 

#### Identity

| Feature | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **SSO** | Not enough data | Not enough data | 
| **Governance** | Not enough data | Not enough data | 
| **User Analytics** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (3):** [Bot Detection and Mitigation Software](https://www.g2.com/categories/bot-detection-and-mitigation), [Web Application Firewalls (WAF)](https://www.g2.com/categories/web-application-firewall-waf), [DDoS Protection Solutions](https://www.g2.com/categories/ddos-protection)

**Unique to Fastly's Web Application and API Security (6):** [Cloud Edge Security Software](https://www.g2.com/categories/cloud-edge-security), [API Security Tools](https://www.g2.com/categories/api-security), [Cloud Security Monitoring and Analytics Software](https://www.g2.com/categories/cloud-security-monitoring-and-analytics), [Threat Intelligence Software](https://www.g2.com/categories/threat-intelligence), [Client-Side Protection Solutions](https://www.g2.com/categories/client-side-protection), [Website Security Software](https://www.g2.com/categories/website-security)



---
## Reviewer Demographics

### By Company Size

| Segment | Fastly's Web Application and API Security | Imperva Web Application Firewall (WAF) | 
|---|---|---|
| **Small-Business** | 13.8% | 38.5% | 
| **Mid-Market** | 51.7% | 17.9% | 
| **Enterprise** | 34.5% | 43.6% | 

### By Industry

#### Fastly's Web Application and API Security

- **Computer Software:** 17.2%
- **Information Technology and Services:** 13.8%
- **Computer & Network Security:** 6.9%
- **Financial Services:** 6.9%
- **Hospital & Health Care:** 6.9%
- **Automotive:** 3.4%
- **Banking:** 3.4%
- **Biotechnology:** 3.4%
- **Broadcast Media:** 3.4%
- **Entertainment:** 3.4%
- **Other:** 31.0%

#### Imperva Web Application Firewall (WAF)

- **Information Technology and Services:** 38.5%
- **Retail:** 12.8%
- **Banking:** 10.3%
- **Financial Services:** 5.1%
- **Computer & Network Security:** 5.1%
- **Writing and Editing:** 2.6%
- **Utilities:** 2.6%
- **Telecommunications:** 2.6%
- **Primary/Secondary Education:** 2.6%
- **Insurance:** 2.6%
- **Other:** 15.4%

---
## Alternatives

### Alternatives to Fastly's Web Application and API Security

- [Cloudflare Application Security and Performance](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) — 4.5/5 stars (616 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (826 reviews)
- [HAProxy](https://www.g2.com/products/haproxy/reviews) — 4.7/5 stars (900 reviews)
- [FortiCNAPP](https://www.g2.com/products/forticnapp/reviews) — 4.4/5 stars (386 reviews)
- [Postman](https://www.g2.com/products/postman/reviews) — 4.6/5 stars (1790 reviews)
- [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) — 4.6/5 stars (440 reviews)
- [Fingerprint](https://www.g2.com/products/fingerprintjs-fingerprint/reviews) — 4.7/5 stars (422 reviews)
- [Sumo Logic](https://www.g2.com/products/sumo-logic/reviews) — 4.3/5 stars (403 reviews)
- [Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews) — 4.4/5 stars (356 reviews)
- [Coralogix](https://www.g2.com/products/coralogix/reviews) — 4.6/5 stars (343 reviews)

### Alternatives to Imperva Web Application Firewall (WAF)

- [Cloudflare Application Security and Performance](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) — 4.5/5 stars (616 reviews)
- [HAProxy](https://www.g2.com/products/haproxy/reviews) — 4.7/5 stars (900 reviews)
- [Fingerprint](https://www.g2.com/products/fingerprintjs-fingerprint/reviews) — 4.7/5 stars (422 reviews)
- [Harness Platform](https://www.g2.com/products/harness-platform/reviews) — 4.6/5 stars (304 reviews)
- [FortiAppSec Cloud](https://www.g2.com/products/fortiappsec-cloud/reviews) — 4.4/5 stars (31 reviews)
- [DataDome](https://www.g2.com/products/datadome/reviews) — 4.7/5 stars (232 reviews)
- [AWS WAF](https://www.g2.com/products/aws-waf/reviews) — 4.3/5 stars (72 reviews)
- [HUMAN Sightline Cyberfraud Defense](https://www.g2.com/products/human-sightline-cyberfraud-defense/reviews) — 4.5/5 stars (213 reviews)
- [Radware Cloud WAF](https://www.g2.com/products/radware-cloud-waf/reviews) — 4.6/5 stars (136 reviews)
- [Azure Application Gateway](https://www.g2.com/products/azure-application-gateway/reviews) — 4.4/5 stars (161 reviews)

---
## Top Discussions

### Fastly's Web Application and API Security

No discussions available for this product.

### Imperva Web Application Firewall (WAF)

- Title: [Is imperva a Web application firewall?](https://www.g2.com/discussions/is-imperva-a-web-application-firewall) — 1 comment
  > **Top comment:** "Yes, Imperva is a well-known provider of web application firewall (WAF) solutions. Imperva offers a Web Application Firewall product, known as Imperva WAF,..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/fastly-s-web-application-and-api-security-vs-imperva-web-application-firewall-waf)