⚡ Load Balancers in Portugal

Load balancers are software components or network devices that distribute incoming traffic across multiple backend servers, improving application availability, scalability, and fault tolerance by preventing any single server from becoming a bottleneck.

Portugal is a Southern European country with a population of around 10.3 million people.

According to our statistics, load balancers are detected on 4.8% of websites from Portugal.

Statistics based on 17K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top load balancers in Portugal in 2026, based on market share.

The most popular is Google Cloud Load Balancing with a share of 21.3%, followed by Varnish with 17.2% and AWS Elastic Load Balancer with 14.7%.

Google Cloud Load Balancing 21.3%
Varnish 17.2%
AWS Elastic Load Balancer 14.7%
Application Request Routing 13.3%
F5 BIG-IP 9.7%
Envoy 7%
Azure Front Door 5.9%
Azure Application Gateway 5.9%
Caddy 5.3%
Istio 3.6%
Google Front End 2.8%
Sucuri CloudProxy 1.2%
HAProxy 0.7%
NetScaler 0.6%
Kong Gateway 0.4%

🚀 Highlights

Here is a list of the top load balancers that are more popular in Portugal than worldwide.
Differences between global and country rankings are shown in parentheses.

1. Google Cloud Load Balancing ^(-1)
4. Application Request Routing ^(-1)
6. Envoy ^(-1)
7. Azure Front Door ^(-2)
8. Azure Application Gateway ^(-2)
10. Istio ^(-2)
13. HAProxy ^(-3)
15. Kong Gateway ^(-4)
16. Barracuda Load Balancer ADC ^(-2)
18. Ngrok ^(-2)

✨ Best Load Balancers

Below is a more detailed list of 18 load balancers used on sites from Portugal, ranked by their market share.

Rank	Name	Market share
1	Google Cloud Load Balancing Mountain View, California, United States A managed load balancing service that distributes application traffic across virtual machines and containers on Google Cloud. $0.025+/unit/hour	21.3%
2	Varnish Stockholm, Sweden An open-source HTTP accelerator and reverse caching proxy that caches content from web servers to reduce load times, and supports native TLS termination and Kubernetes deployments. FreeOpen source$$$	17.2%
3	AWS Elastic Load Balancer Seattle, Washington, United States AWS Elastic Load Balancer automatically distributes incoming traffic across multiple targets, such as EC2 instances, containers, and IP addresses. Free$$$	14.7%
4	Application Request Routing Redmond, Washington, United States A module for Internet Information Server that can load-balance between multiple servers in a server farm.	13.3%
5	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	9.7%
6	Envoy San Francisco, California, United States A high-performance, open-source edge and service proxy designed for cloud-native applications and large microservice "service mesh" architectures. FreeOpen source	7%
7	Azure Front Door Redmond, Washington, United States A content delivery network service from the Microsoft Azure cloud that offers more than 100 edge locations, Layer 7 load-balancing capabilities, and TCP splitting paired with a private global Microsoft backbone network. $35+/month	5.9%
8	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	5.9%
9	Caddy Vienna, Austria An open-source multi-platform web server written in Go with built-in support for automatic HTTPS and modern web protocols. FreeOpen source	5.3%
10	Istio San Francisco, California, United States An open-source service mesh that secures, connects, and monitors services in Kubernetes, virtual machines, and multi-cloud environments. FreeOpen source	3.6%
11	Google Front End Mountain View, California, United States Google's globally distributed reverse proxy that accepts client connections at the network edge and routes requests to Google services. $$$	2.8%
12	Sucuri CloudProxy Tempe, Arizona, United States A website application firewall that stops bad actors, speeds up load times, and increases website availability.	1.2%
13	HAProxy Newton, Massachusetts, United States An open-source load balancer and reverse proxy for TCP and HTTP-based applications. FreeOpen source$$$	0.7%
14	NetScaler Fort Lauderdale, Florida, United States An application delivery and security platform that provides load balancing, application acceleration, and application protection for web applications and APIs. $11,000+/year	0.6%
15	Kong Gateway San Francisco, California, United States An API gateway that manages, secures, and routes API traffic using a cloud-native, platform-agnostic architecture. FreeOpen source$105+/month	0.4%
16	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	0.4%
17	Heroku Vegur San Francisco, California, United States Open-source proxy and load balancing software. FreeOpen source	0.2%
18	Ngrok San Francisco, California, United States A globally distributed reverse proxy platform that creates encrypted tunnels and consolidates load balancing, API gateway, and firewall capabilities for applications, APIs, and network services. Free$10+/month	0.1%

👉 See Also

🌎 Load Balancers 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 17,020 websites from Portugal.
We currently track the presence of 24 load balancers across the web.
Of these, 18 were detected on websites from Portugal.
Statistics were last calculated on November 3, 2026.
For more details, see our methodology and disclaimer.