⚡ Web Application Firewalls in the United States

Web Application Firewalls (WAF) are security solutions that inspect and filter incoming HTTP and HTTPS requests before they reach a web application.

The United States of America (USA) is a North American country with a population of over 341 million people.

According to our research, web application firewalls are detected on 4.5% of websites from the United States.

Statistics based on 655K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top WAF technologies in the United States in 2026, based on market share.

The most popular is Sucuri CloudProxy with an impressive share of 32.5%, followed by Wordfence with 21.3% and F5 BIG-IP with 16.1%.

Sucuri CloudProxy 32.5%
Wordfence 21.3%
F5 BIG-IP 16.1%
Azure Front Door 14.4%
Azure Application Gateway 5.5%
Imperva WAF 5%
Ivanti vADC 3.5%
SiteLock 1.5%
AWS WAF Captcha 0.5%
Barracuda Load Balancer ADC 0.5%
Oracle WAF 0.5%
F5 Distributed Cloud 0.3%
NetScaler 0.3%
FortiWeb 0.1%
All-In-One Security 0.08%

🚀 Highlights

Here is a list of the top technologies that are more popular in the United States than worldwide.
Differences between global and country rankings are shown in parentheses.

1. Sucuri CloudProxy ^(-2)
5. Azure Application Gateway ^(-1)
10. Barracuda Load Balancer ADC ^(-1)
11. Oracle WAF ^(-4)
16. AppTrana WAF ^(-2)
18. BitNinja ^(-1)
19. WP Cerber ^(-1)
21. Imunify360 ^(-1)
22. Prophaze WAF ^(-1)

✨ Best WAF Technologies

Below is a more detailed list of 22 WAF technologies used on sites from the United States, ranked by their market share.

Rank	Name	Market share
1	Sucuri CloudProxy Tempe, Arizona, United States A website application firewall that stops bad actors, speeds up load times, and increases website availability.	32.5%
2	Wordfence Seattle, Washington, United States A WordPress security plugin that provides a web application firewall and malware scanner to protect websites from hacking attempts, malicious traffic, and vulnerable code. Free$149+/year	21.3%
3	F5 BIG-IP Seattle, Washington, United States An enterprise-grade application delivery controller and full reverse proxy platform for managing, securing, and optimizing web and API traffic. $3,200+/year	16.1%
4	Azure Front Door Redmond, Washington, United States A cloud content delivery network service that offers Layer 7 load-balancing capabilities. $35+/month	14.4%
5	Azure Application Gateway Redmond, Washington, United States A managed web traffic load balancer and full reverse proxy that enables scalable, highly available, and secure web application delivery on Azure. $0.0255+/hour	5.5%
6	Imperva WAF San Mateo, California, United States Imperva Cloud WAF protects websites from automated vulnerability scans, Layer 7 DDoS attacks, and malicious bots. $7,000+/year	5%
7	Ivanti vADC South Jordan, Utah, United States A software-based application delivery controller solution that delivers applications with predictable performance and strong multi-layered security and includes Virtual Traffic Manager, Services Director and Web Application Firewall. $$$	3.5%
8	SiteLock Scottsdale, Arizona, United States A cloud-based website security service that monitors websites and protects them from malware, vulnerabilities, and malicious traffic. $19.99+/month	1.5%
9	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS Web Application Firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.5%
10	Barracuda Load Balancer ADC Campbell, California, United States A unified high-performance platform that helps organizations achieve their availability, acceleration, application control, and application security objectives. $7,000+/year	0.5%
11	Oracle WAF Austin, Texas, United States A cloud-based, PCI-compliant, global security service that protects applications from malicious and unwanted internet traffic. $5+/month	0.5%
⏳	F5 Distributed Cloud Seattle, Washington, United States A SaaS-based platform that provides security, networking, and application management services across multi-cloud, on-premises, and edge environments. $25,956+	0.3%
13	NetScaler Fort Lauderdale, Florida, United States An application delivery and security platform that provides high-performance load balancing, application delivery, and security solutions. $11,000+/year	0.3%
⏳	FortiWeb Sunnyvale, California, United States A web application firewall that protects web applications and APIs from known and unknown exploits and zero-day threats. $3,400+	0.1%
⏳	All-In-One Security Newport, Wales, United Kingdom A WordPress security and firewall plugin that protects websites from hackers, bots, and other cyber threats. Free$44.50+/year	0.08%
16	AppTrana WAF Vadodara, Gujarat, India An AI-powered, fully managed web application firewall with zero-day vulnerability protection. $99+/app/month	0.07%
17	Link11 Frankfurt, Germany Offers a cloud-based security platform that includes web application firewall, distributed denial-of-service protection, bot management, and API security. €613+/month	0.03%
18	BitNinja Debrecen, Hungary A server security suite with a centralized dashboard containing an AI-powered Linux malware scanner, IP reputation, WAF, and spam detection. Free$5+/month	0.02%
19	WP Cerber New York, United States A WordPress security plugin that protects websites from hacker attacks, spam, and malware. Free$99+/year	0.02%
20	Myra Munich, Germany A German security-as-a-service platform offering DDoS mitigation, a hyperscale web application firewall, deep bot management, CDN, secure DNS, and real-time traffic filtering. €290+/month	0.01%
21	Imunify360 Estero, Florida, United States A comprehensive security suite for Linux web servers that includes antivirus, firewall, WAF, and more. $12+/month	0.01%
22	Prophaze WAF Clappana, Kerala, India A native cloud web application firewall that protects web applications from malicious requests using behavioral threat detection algorithms. $$$	0.01%

👉 See Also

🌎 WAF in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 655,088 websites from the United States.
We currently track the presence of 23 WAF technologies across the web.
Of these, 22 were detected on websites from the United States.
Statistics were last calculated on October 7, 2026.
For more details, see our methodology and disclaimer.