Software Alternatives, Accelerators & Startups

Apache HTTP Server VS Varnish

Compare Apache HTTP Server VS Varnish and see what are their differences

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Apache HTTP Server logo Apache HTTP Server

Apache httpd has been the most popular web server on the Internet since April 1996

Varnish logo Varnish

High-performance HTTP accelerator
  • Apache HTTP Server Landing page
    Landing page //
    2021-10-21
  • Varnish Landing page
    Landing page //
    2023-05-09

Apache HTTP Server features and specs

  • Open Source
    Apache HTTP Server is open source, meaning it is freely available for anyone to use, modify, and distribute. This promotes a large, active community that contributes to its maintenance and improvement.
  • Cross-Platform
    Apache is compatible with a variety of operating systems, including Unix, Linux, and Windows, providing flexibility and widespread usability.
  • Highly Customizable
    It offers a modular architecture that allows users to enable or disable features as needed, and to extend functionality through modules.
  • Robust Documentation
    Apache provides comprehensive and detailed documentation, which makes it easier for users to install, configure, and troubleshoot the server.
  • Widespread Adoption
    With its long history and widespread use, Apache has proven to be reliable and trusted by many organizations worldwide, ensuring a level of trust and stability.
  • Rich Feature Set
    Apache includes many features out-of-the-box, such as SSL/TLS support, URL redirection, authentication, load balancing, and more.

Possible disadvantages of Apache HTTP Server

  • Performance Overhead
    Compared to some lightweight web servers like Nginx, Apache can have higher memory and CPU usage, which may not be ideal for high concurrency needs.
  • Complex Configuration
    Apache's extensive customization options can lead to a complex configuration process, which may be challenging for beginners or those without specific expertise.
  • Less Efficient in Serving Static Content
    While Apache is highly capable, it may be less efficient at serving static content compared to specialized web servers like Nginx.
  • Initial Learning Curve
    Due to its rich features and configurability, new users might face a steep learning curve when first setting up and using Apache HTTP Server.
  • Module Compatibility Issues
    Sometimes, third-party modules may not always be compatible with the latest versions of Apache, causing potential integration issues.

Varnish features and specs

  • Caching Efficiency
    Varnish is highly efficient at caching, which significantly reduces the load on the web server by serving cached content quickly, improving response times for users.
  • Flexibility with VCL
    Varnish Configuration Language (VCL) allows for flexible and powerful configurations, enabling users to customize caching policies and behaviors to meet specific needs.
  • High Performance
    Varnish is designed to handle a large number of requests per second, making it suitable for high-traffic websites seeking to improve their performance and scalability.
  • HTTP Support
    Varnish supports HTTP/1.1 and can be configured to work with HTTP/2, effectively caching HTTP protocol responses and requests.
  • Grace Mode
    Grace Mode is a feature in Varnish that allows serving stale content while fetching fresh content from the server, minimizing downtime during backend failures.

Possible disadvantages of Varnish

  • Steep Learning Curve
    Varnish's powerful configuration options, specifically VCL, can be complex for new users to learn and manage effectively, potentially leading to misconfigurations.
  • Lack of SSL/TLS Support
    Varnish does not natively support SSL/TLS termination, requiring additional tools like Nginx or Hitch for handling HTTPS connections.
  • Limited Built-in Security Features
    Varnish lacks built-in security features such as web application firewall (WAF) capabilities, requiring additional layers to secure web applications.
  • Resource Intensive
    Depending on the configurations and traffic patterns, Varnish can be resource-intensive, necessitating careful management of system resources.
  • Complex Debugging
    Debugging issues in Varnish can be challenging due to its complex configurations and log outputs, often requiring in-depth knowledge and specific tools.

Apache HTTP Server videos

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Varnish videos

Product Review 33 - AK Interactive Ultra Matte Varnish

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Category Popularity

0-100% (relative to Apache HTTP Server and Varnish)
Web And Application Servers
Proxy Server
0 0%
100% 100
Web Servers
100 100%
0% 0
Key-Value Database
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Apache HTTP Server and Varnish

Apache HTTP Server Reviews

9 Best XAMPP Alternatives Cross Platform Web Server
However, compared to XAMPP and other popular web servers in the market Apache HTTP Server is a bit more complicated and is a little difficult to navigate for a complete newbie, but if you want to understand web development from the very fundamentals and understand how Apache as a web server software works then this software can be of great help to you.
Litespeed vs Nginx vs Apache: Web Server Showdown
The most commonly used Web Server is by far Apache HTTP Server from the Software Apache Foundation. Created in 1995 by Rob McCool and Brian Behlendorf, among others. The name is a pun for A PatCHy server, as at the time of it’s inception, Apache was based on some existing code, along with some perhaps “hacky or clunky” software packages, enabling it to run. Additionally, the...
Source: chemicloud.com
10 Best alternatives of XAMPP servers for Windows, Linux and macOS
Apache is an open-source and free web server software that owns about 46% of websites worldwide. The official name is Apache HTTP Server and is maintained and developed by the Apache Software Foundation. This allows website owners to serve content on the web – hence the name “webserver”.
Top 5 open source web servers
As the Apache HTTP Server has been the most popular web server since 1996, it "benefits from great documentation and integrated support from other software projects." You can find more information on the Apache Foundation project page.
Source: opensource.com

Varnish Reviews

We have no reviews of Varnish yet.
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Social recommendations and mentions

Based on our record, Apache HTTP Server should be more popular than Varnish. It has been mentiond 66 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Apache HTTP Server mentions (66)

  • Unveiling GNU Free Documentation License 1.3: A Comprehensive Exploration of Its Depths, Applications, and Future Trends
    Example: Various technical documentation projects on platforms like Apache HTTP Server have implemented GFDL clauses to safeguard documentation integrity. - Source: dev.to / about 14 hours ago
  • Open Source: A Goldmine for Indie Hackers
    Open source software is built on the democratic idea that everyone should be able to inspect and contribute to the source code. Major projects like Linux, WordPress, and the Apache HTTP Server have shown how collaborative efforts can produce robust, scalable solutions. Indie hackers, often working with limited budgets, gain access to highly dependable tools such as Python and MySQL, which were originally developed... - Source: dev.to / 7 days ago
  • Unveiling a Licensing Legend: The Netscape Public License 1.1
    The Netscape Public License 1.1 served as a crucial stepping stone for modern open source licensing models. Developed by Netscape Communications Corporation, it was designed to encourage global community collaboration while safeguarding intellectual property. During the rise of the open source movement, the license provided a much-needed balance between transparency and control, making it a frequent subject of... - Source: dev.to / about 2 months ago
  • Unveiling GNU FDL 1.2: A Deep Dive into Free Documentation Licensing
    Adoption, Use Cases, and Comparative Analysis: Projects ranging from community manuals to major software endeavors like the Apache HTTP Server have adopted the GNU FDL 1.2 to preserve the spirit of open documentation. While its copyleft nature ensures that every modification remains free, critics argue that the rigidity of the license may deter commercial integration. This is contrasted with alternative licensing... - Source: dev.to / about 2 months ago
  • Unveiling GNU FDL 1.1: A Deep Dive into Free Documentation Licensing
    GNU FDL 1.1 was created by the Free Software Foundation (FSF) with the intent of bringing the same freedoms found in free software to documentation. Many notable projects, including those under the aegis of the Apache HTTP Server, have benefited from a documentation license that guarantees continued openness and proper attribution. Throughout our exploration, we will delve into the evolution, strengths, and... - Source: dev.to / about 2 months ago
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Varnish mentions (18)

  • How to Increase API Performance
    Caching helps minimize backend strain, reduce delays, and handle more requests, which translates to better scalability, smoother user interactions, and smarter resource use. Tools like Redis and Varnish have shown impressive results in high-demand API setups [1]. - Source: dev.to / 3 months ago
  • API Caching: Techniques for Better Performance
    Varnish Cache — A web application accelerator that serves as an intermediary between web clients and servers. It provides logging, request inspection, authentication and authorization, and throttling. Varnish can also enhance security as a web application firewall, hotlinking protector, and DDoS attack defense tool. - Source: dev.to / 7 months ago
  • Varnish Cache
    Varnish Cache is a tool that provides a caching HTTP reverse proxy in order to accelerate your web applications. Once Varnish Cache is installed in front of any server that understands HTTP and configured to cache the contents, delivery speeds are typically enhanced by a factor of 300-1000x, depending on architecture. Kilobyte22 finds this tool along with HAProxy to be a winning combo. Source: almost 2 years ago
  • Leveraging Cache to improve Web Performance
    In this case, caching mechanism is situated in the proxy server or reverse proxy server like Nginx, Apache, or Varnish, and most probably it is a part of ISP (Internet Service Provider). - Source: dev.to / about 2 years ago
  • Beyond Changing Technology: Scaling Your Applications Efficiently
    To handle this level of traffic, you can use tools such as Varnish HTTP Cache, which caches the information of a news article starting from the first user who accesses and makes the request. Once Varnish caches the page, subsequent users will receive a response that is saved in memory. This process allows you to avoid unnecessary synchronous requests and send a quick response to users. - Source: dev.to / about 2 years ago
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What are some alternatives?

When comparing Apache HTTP Server and Varnish, you can also consider the following products

Microsoft IIS - Internet Information Services is a web server for Microsoft Windows

Squid Proxy - Website Content Acceleration and Distribution. Thousands of web-sites around the Internet use Squid to drastically increase their content delivery. Squid can reduce your server load and improve delivery speeds to clients.

Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies

Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

LiteSpeed Web Server - LiteSpeed Web Server (LSWS) is a high-performance Apache drop-in replacement.

memcached - High-performance, distributed memory object caching system