Varnish HTTP Cache — Varnish HTTP Cache
Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. It is designed to speed up web servers by caching their content. Varnish Cache is free and open-source software, released under a BSD license. It is used by some of the world's busiest websites to speed up content delivery and reduce server load.
240K
8000 / day
360K
12000 / day
3.8 min
2.5 pages per visit
45%
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Domain Rating
-
Domain Authority
-
Citation Level
2006
C, VCL (Varnish Configuration Language), etc
Website Key Features
High Performance
Varnish Cache is designed for high performance and can handle thousands of requests per second.
Flexible Configuration
It offers a flexible configuration language, VCL (Varnish Configuration Language), allowing for detailed control over caching behavior.
Scalability
Varnish Cache can scale horizontally to handle increased traffic by adding more servers.
Content Cache
It caches content in memory, significantly reducing the load on backend servers and speeding up content delivery.
Load Balancing
Varnish Cache can distribute traffic among several backend servers, improving reliability and performance.
Grace Mode
Allows serving stale content while fetching fresh content in the background, ensuring content is always available.
ESI Support
Edge Side Includes (ESI) support allows for the assembly of web pages from different cacheable components.
Health Checks
Performs health checks on backend servers to ensure traffic is only sent to healthy servers.
Logging and Monitoring
Provides detailed logging and monitoring capabilities for performance analysis and troubleshooting.
Security Features
Includes features to protect against common web vulnerabilities and attacks.
Similar Sites and Competitors
Additional information
License
BSD License
Community
Varnish Cache has a vibrant community of users and developers contributing to its development and offering support.
Documentation
Comprehensive documentation is available, including tutorials, guides, and a reference manual.
Commercial Support
Commercial support and services are available from Varnish Software, the company behind Varnish Cache.
Use Cases
Used by high-traffic websites, media companies, and e-commerce platforms to improve performance and scalability.
Integration
Easily integrates with existing web infrastructure and supports a wide range of backend technologies.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for varnish-cache.org