⚡ Web Application Firewalls in the United Kingdom

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

The United Kingdom of Great Britain and Northern Ireland (UK) is a Western European country with a population of over 67 million people.

According to our research, web application firewalls are detected on 3% of websites from the United Kingdom.

Statistics based on 184K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Wordfence with an impressive share of 41.3%, followed by Azure Front Door with 16.8% and Azure Application Gateway with 10.2%.

Wordfence 41.3%
Azure Front Door 16.8%
Azure Application Gateway 10.2%
F5 BIG-IP 10.1%
Sucuri CloudProxy 9.8%
Imperva WAF 8.8%
Ivanti vADC 1.6%
AWS WAF Captcha 0.9%
SiteLock 0.9%
Barracuda Load Balancer ADC 0.5%
F5 Distributed Cloud 0.3%
FortiWeb 0.3%
Oracle WAF 0.2%
All-In-One Security 0.1%
Link11 0.1%

🚀 Highlights

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

2. Azure Front Door ^(-2)
3. Azure Application Gateway ^(-3)
8. AWS WAF Captcha ^(-1)
10. Barracuda Load Balancer ADC ^(-1)
13. Oracle WAF ^(-2)
15. Link11 ^(-2)
18. BitNinja ^(-1)
20. Imunify360 ^(-2)

✨ Best WAF Technologies

Below is a more detailed list of 21 WAF technologies used on sites from the United Kingdom, ranked by their market share.

Rank	Name	Market share
1	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	41.3%
2	Azure Front Door Redmond, Washington, United States A cloud content delivery network service that offers Layer 7 load-balancing capabilities. $35+/month	16.8%
3	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	10.2%
4	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	10.1%
5	Sucuri CloudProxy Tempe, Arizona, United States A website application firewall that stops bad actors, speeds up load times, and increases website availability.	9.8%
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	8.8%
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. $$$	1.6%
8	AWS WAF Captcha Seattle, Washington, United States A feature of the AWS Web Application Firewall that helps protect web applications by requiring requests that match specific criteria to solve a captcha puzzle or silent challenge before proceeding. $$$	0.9%
9	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	0.9%
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%
⏳	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%
⏳	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+	0.3%
13	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	0.2%
⏳	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	0.1%
15	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	0.1%
16	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	0.05%
17	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	0.04%
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	0.04%
19	AppTrana WAF Vadodara, Gujarat, India An AI-powered, fully managed web application firewall with zero-day vulnerability protection. $99+/app/month	0.04%
20	Imunify360 Estero, Florida, United States A comprehensive security suite for Linux web servers that includes antivirus, firewall, WAF, and more. $12+/month	0.04%
21	WP Cerber New York, United States A WordPress security plugin that protects websites from hacker attacks, spam, and malware. Free$99+/year	0.02%

👉 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 184,124 websites from the United Kingdom.
We currently track the presence of 23 WAF technologies across the web.
Of these, 21 were detected on websites from the United Kingdom.
Statistics were last calculated on October 7, 2026.
For more details, see our methodology and disclaimer.