Websites Using Varnish

Varnish is an HTTP accelerator and reverse proxy server that caches web content in memory to dramatically improve website performance and reduce server load. It sits between clients and web servers, serving cached content when possible to deliver fast response times for high-traffic websites.

Categories: Cache tool, Reverse proxy

Official website: https://varnish-cache.org

14606 websites using Varnish

Varnish is ranked #1 of 127 in Cache tool by website adoption.

Cache tool alternatives ranked by popularity

WP Rocket — 11,023 websites
LiteSpeed Cache — 10,651 websites
WP Fastest Cache — 4,490 websites
Redis Object Cache — 2,848 websites
WP Super Cache — 2,831 websites
WordPress Super Cache — 2,788 websites
NitroPack — 1,845 websites
Google PageSpeed — 1,239 websites
SG Optimizer — 758 websites
LazyLoad Plugin — 638 websites

Technologies commonly used with Varnish

Fastly — 32% co-occurrence
Open Graph — 26% co-occurrence
Schema.org — 20% co-occurrence
Google Tag Manager — 20% co-occurrence
HSTS — 20% co-occurrence
varnish-enterprise — 19% co-occurrence
PHP — 18% co-occurrence
Google Ad Manager — 18% co-occurrence

How WhatStack detects Varnish

WhatStack detects Varnish by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.

Frequently Asked Questions

What is Varnish?: Varnish is an HTTP accelerator and reverse proxy server that caches web content in memory to dramatically improve website performance and reduce server load. It sits between clients and web servers, serving cached content when possible to deliver fast response times for high-traffic websites.
How many websites use Varnish?: WhatStack has detected Varnish on 14606 websites in our database.
How do you detect Varnish?: We analyze HTTP headers, HTML source, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries to identify Varnish with high accuracy using signature-based pattern matching.