⚡ Proxy Caching

Proxy caching solutions act as intermediary servers between clients and origin servers, storing and delivering cached responses to reduce latency and backend load.

They typically support HTTP reverse proxy caching, request routing, cache invalidation rules, load balancing, and high-concurrency traffic handling to improve performance and reliability for web applications.

⭐ Most Popular in 2026

The following chart shows the leading proxy caching solutions on the web in 2026, based on market share.

The most popular is Nginx, which dominates the market with an overwhelming 70.8% share.
It is followed by Varnish with 4.8% and Envoy with 1%.

Nginx 70.8%
Varnish 4.8%
Envoy 1%
Apache Traffic Server 0.1%
HAProxy 0.09%
Squid 0.02%

🚀 Country Highlights

Here is a list of solutions that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

Varnish is #2 in Denmark ^(-2)
Apache Traffic Server is #2 in the Czech Republic ^(-17)
Envoy is #5 in Israel ^(-6)

✨ Best Proxy Caching Solutions

Below is a more detailed list of 6 proxy caching solutions we track, ranked by their market share.

Available filters: Proxy WordPress

Rank	Name	Market share
1	Nginx Seattle, Washington, United States A lightweight, high-performance open-source HTTP server and reverse proxy. FreeOpen source$3,500+/year	70.8%
2	Varnish Stockholm, Sweden An open-source web application accelerator, also known as a caching HTTP reverse proxy. FreeOpen source$1,500+/year	4.8%
3	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	1%
4	Apache Traffic Server Wilmington, Delaware, United States A fast, scalable, and extensible web proxy cache that improves performance by caching frequently accessed information at the edge of the network. FreeOpen source	0.1%
5	HAProxy Newton, Massachusetts, United States A high-performance reverse proxy and load balancer for TCP- and HTTP-based applications. FreeOpen source$$$	0.09%
6	Squid Westminster, Colorado, United States A caching proxy for the web that supports HTTP, HTTPS, FTP, and more. FreeOpen source	0.02%

Data is based on the analysis of 3,324,982 websites.
Statistics were last calculated on March 30, 2026.
For details, see our methodology and disclaimer.