Varnish Cache assistance

Varnish Cache ®

Remote assistance on Varnish Cache server on premise or at service providers, implementation, performance tuning and optimization.

Contact us without obligation for a preliminary consultation.
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More than 5000 companies have used our services
Due to NDA agreements and confidentiality requirements, we cannot disclose all brands.
These are some of the companies that use or have used our services, including through third parties.

Do you need support on Varnish Cache ®?

Getting support for Varnish Cache is easy and extremely profitable

Varnish Cache is an advanced open source tool, designed as an HTTP reverse proxy to accelerate web applications. It offers fast performance and flexibility, allowing customization for various goals, including caching of typically "uncacheable" items, effective routing, and manipulation of HTTP traffic. For more details on Varnish Cache's capabilities, you can check out the open source project.

Additionally, our team of expert consultants offers consulting services for enterprise organizations on Varnish Cache, including custom solution development, implementation planning and execution, migration management, technical support, professional training, and system integrations. Our goal is to maximize the use of Varnish Cache features for our customers.
Marco Marcoaldi - Founder Managed Server Srl
Marco Marcoaldi
Founder & Systems Engineer Managed Server

Using Varnish Cache ®

Why is Varnish Cache simpler and more powerful?

Our specialized consultancy is centered on Varnish Cache, a service designed to improve website performance and enhance the online presence of companies. Thanks to our experience and expertise, we offer guidelines for the customization and implementation of Varnish Cache, a powerful and flexible tool intended to significantly increase the speed of sites.

Employing Varnish Cache results in a more fluid and engaging user experience, which stimulates customer satisfaction and, consequently, increases the conversion rate. Additionally, Varnish Cache enables businesses to have better control over web traffic, effectively handling traffic spikes without impacting site performance. We work together to ensure that companies' online presence always lives up to expectations, thus helping to strengthen their success in the digital world.

Implementation on the main CMS

We are experts in implementing, configuring and optimizing Varnish Cache for a wide range of Open Source CMS.

This expertise extends to highly sought-after platforms such as WordPress, WooCommerce, Joomla, Drupal, PrestaShop and Magento.

Our goal is to maximize the speed and efficiency of your website, dramatically improving loading times and providing an unparalleled user experience.

With our assistance, your website will not only be faster, but also more reliable and capable of handling high traffic volumes, ensuring that visitors remain satisfied

Varnish installation on Open Source CMS
PHP Framework Zend Laravel Yii CakePHP - Ruby Technologies - Python - Go - Java - Net

Varnish Cache implementation on Custom systems and applications.

Extensive experience in implementing Varnish Cache with custom and proprietary applications built with i major PHP frameworks, including Laravel, Symfony, CodeIgniter, Zend Framework, and CakePHP.

Additionally, our expertise extends beyond PHP, encompassing technologies such as Ruby on Rails, Django for Python, Angular for front-end applications, Java for enterprise systems and ASP.NET for Microsoft solutions.

With such a spectrum of technological prowess, we can boost the performance of a wide variety of applications, ensuring they are fast, efficient and ready to scale to your business needs.

Advanced Cache Configuration is dedicated to providing you with complete support for configuring Varnish Cache, with the aim of significantly increasing the speed of your website. Thanks to Varnish Cache's ability to store dynamic content and HTML documents, accessing web pages becomes faster and more efficient.

Our offer includes a real-time monitoring system that oversees Varnish Cache metrics and logs. This tool allows you to monitor the efficiency of the caching process, promptly detect and resolve any problems, ensuring the best performance of your website at all times.

In addition, our consulting service offers you the opportunity to make and approve changes to the Varnish Cache Control Language (VCL). This gives you the ability to customize cache settings to suit your specific needs, taking advantage of the flexibility and adaptability that Varnish Cache offers.

Varnish VCL Support
Debug Varnish Cache VCL

Debugging and error correction

If you run into an error while using Varnish Cache, including those related to the syntax or logical operation of the VCL (Varnish Cache Language), our team of experts is at your disposal to provide assistance.

We adopt an accurate and proactive approach in diagnosing the problem: first we reproduce and analyze the error to understand its causes and, subsequently, we commit to solving it. In situations where a direct solution may not be immediately available, we are able to propose an alternative solution that allows you to keep your operations operational with minimal inconvenience or delays.

Our goal is respond and initiate an investigation for critical issues as quickly as possible, in line with our Service Level Agreement (SLA). We are fully aware of the importance of a timely response, especially when dealing with critical issues that could affect the performance of your website.

Security notifications

Security issues with Varnish Cache, while rare and unlikely, do happen. We are attentive to this possibility. In these circumstances, the protection of your data and that of your customers, together with the continuity of the functioning of your site or web application, becomes our priority.

In the unfortunate event of a security issue, We immediately put in place a series of measures to ensure that you are fully aware of the situation. We will inform you directly and promptly about the nature of the problem, including the possible consequences for your site or application. This ensures that you are fully aware of the unfolding situation and allows you to make informed decisions in the management of your site or application during the troubleshooting process.

Security Varnish Cache
Varnish Cache Software Updates - Update Varnish Cache

Software Updates

Varnish Cache is dedicated to providing frequent and timely updates to its users, ensuring a cutting-edge user experience. Through a dedicated customer support portal, we release new Varnish Cache builds and updated documentation on a quarterly basis, allowing you to stay up-to-date on the latest software features and improvements.

For open source releases, we are committed to providing updates on an approximately monthly basis, ensuring that users of these releases also have access to the latest optimizations and bug fixes.

In addition, we take responsibility for keeping your Varnish HTTP Cache software updated on your systems. This includes the entire process of recompiling from sources, officially distributed by the manufacturer, eliminating the need for intermediaries. This management frees users from a demanding technical task, allowing them to focus on other crucial aspects of their business, with the certainty that the Web accelerator is always updated with the latest version of Varnish Cache.

Documentation support

If you encounter any questions or problems while browsing the Varnish Cache documentation, we're here to help. We are ready to provide you with the answers you need. No matter how complex your question may be, we are committed to providing you with a precise and complete answer, respecting the times established in our Service Level Agreement (SLA).

Our goal is to support you in using Varnish Cache in the most efficient and smoothest way, ensuring maximum performance for your website or application.

Varnish Help and Documentation
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Operating on premise and on the major Cloud Providers.

On Premise assistance in your company or on Cloud systems.

Are you curious to understand the advantages of the cloud or are you considering migrating your infrastructure to the cloud? We are the ideal partner to guide you in this process. With our consolidated experience and deep knowledge of On Premise and Cloud solutions, we offer you safe and reliable guidance in every step of your digital transition. Our system support service, personalized by Linux experts and derivatives, it is available not only for On Premise solutions at your company facility, but also on the main global suppliers and Cloud providers.

You can count on our professional assistance on Cloud platforms such as Alibaba, Azure, AWS, Google Cloud, IBM Cloud, Hetzner, OVH, Linode, Digital Ocean and many more. Submit a support ticket to our helpdesk at any time, and our team will be ready to intervene wherever you are. With us, your infrastructure is always in expert hands.

Compliant with GDPR regulations

Do not risk penalties for non-compliance with the GDPR regulation on data protection.

Our company is a European entity and is committed to fully complying with the General Data Protection Regulation (GDPR). 

As part of the systems engineering and consultancy services on Varnish Cache, we pay the utmost attention to the protection of your data, your requests for technical assistance and tickets relating to your systems. We ensure that all this data is processed following the most rigorous privacy and security standards. Specifically, the data is stored exclusively within the borders of the European Union and is destroyed within 30 days of the processing being finalized.

These measures are taken to ensure the total compliance with Regulation (EU) 2016/679 of the European Parliament and its subsequent amendments, as well as industry best practices regarding data security and privacy.


Varnish Cache is an open source HTTP reverse proxy developed to accelerate the performance of web applications. It acts as an intermediary between the web server and clients, storing copies of requested web pages and then serving them to subsequent visitors more quickly. This reduces the load on the web server and increases page loading speed. Varnish is known for its high flexibility and can be customized for a wide range of needs, from advanced cache management to HTTP traffic optimization. It is an ideal solution for websites with high traffic and high performance requirements.

Varnish is a web application accelerator, also known as reverse proxy cache, that can significantly speed up a website by reducing the load on the web server. It works by caching static versions of web pages, allowing sites to serve these pages faster to users without having to generate the page each time through the slower process of running server-side scripts. This means faster page load times, which is a significant benefit to user experience and can help improve SEO. Additionally, by reducing the load on web servers, Varnish can help reduce operational costs and resource usage, improve scalability during traffic spikes, and increase website resilience against unexpected traffic spikes or DDoS attacks. Varnish is highly customizable and can be configured for a variety of caching scenarios, making it a powerful tool for optimizing the performance of dynamic websites.

We offer a complete package of Varnish Cache services that includes the creation of custom configurations designed to meet your specific needs for advanced caching and traffic optimization. We take care of the planning and implementation of Varnish Cache in your IT environment, and offer assistance with migration from other caching systems. Our technical support is designed to ensure optimal operation, with updates and resolution of any problems. We work with you to integrate Varnish Cache with other system components, such as web servers, databases and CMS. We will conduct performance analyzes to evaluate the impact of Varnish Cache and propose targeted improvements, ensuring through constant monitoring that the solution is always optimally configured. We also perform security audits to ensure your setup is secure and in line with industry best practices.

Figuring out whether you need Varnish support depends on various factors, including the specific needs of your web project, in-house technical expertise, and performance goals. However, it is important to note that Varnish is applicable to a wide range of online platforms: from services to blogs, through e-commerce, information portals and online newspapers.

  1. Technical Complexity: If your site has a complex structure or uses advanced technologies, professional assistance can be crucial to implementing Varnish effectively.

  2. High Traffic: If your website or application has a high volume of traffic, a support service can help you manage performance and scalability more effectively.

  3. Lack of Internal Experts: If you don't have an internal team with specific Varnish expertise, a support service can fill this gap.

  4. Continuous Optimization: Even if you already have Varnish installed, a support service can provide ongoing optimization and advice on how to adapt the configuration to changing needs.

  5. Security and Compliance: To ensure your Varnish installation is safe and compliant with best practices, a professional service can perform audits and provide recommendations.

Given its near-universal applicability, it would be intuitive and logical that almost any type of online platform could benefit from implementing Varnish. If you do not currently have Varnish installed, considering support may be a step towards an improved user experience and optimized performance.

Certainly, Varnish Cache is compatible and can be implemented to significantly improve the performance of sites built on CMS such as WordPress, Joomla, Drupal, Magento and PrestaShop. Our team of experts is able to customize Varnish Cache configurations, creating VCL (Varnish Configuration Language) rules tailored to each specific CMS. This allows you to optimize caching and effectively manage traffic, which translates into an improved user experience thanks to reduced loading times and smoother navigation on the site.

An optimized Varnish Cache setup also contributes to SEO, as search engines tend to reward websites that load quickly and offer a good user experience. Varnish helps reduce server response time and speed up content display, which are especially important for metrics like Largest Contentful Paint (LCP), one of the Core Web Vitals of Google.

Each CMS has its own specifics in terms of cache management; for example, WordPress has different types of plugins and themes that may require special caching rules, while Magento may have different types of dynamic content that need different treatment. We customize Varnish VCLs for each CMS to ensure that caching is effective and dynamic pages are handled correctly, without compromising functionality or content freshness.

Our goal is to ensure that your online presence is fast, reliable and optimized not only for users but also for search engine ranking criteria, ensuring that your website can get the visibility it deserves.

Yes, Varnish Cache can also be used effectively with websites and custom applications built using a wide range of programming technologies and frameworks such as Python, Java, Go, Node.js or PHP-based frameworks. Our experience is not limited to implementing Varnish Cache at the infrastructure level, but also includes working closely with the developers on your team to refine the application's business logic so that it works harmoniously with Varnish.

Let's tackle the Varnish integration process in the round, working on both the caching system configuration and the application code. We create specific routines and write custom code to ensure that caching rules reflect the business logic of your site or application. This means that caching behavior can be adapted and optimized to handle user sessions, authentication, dynamic and transactional content that are typical of applications built with languages ​​such as Python or Java, or sites based on Node.js or Go.

Code customization could include developing middleware, hooks, or filters that interact with Varnish to intelligently handle cache invalidation, ensuring that updated data is served to users when needed, while static, less frequent content can be served by cache to reduce server load and improve response speed.

For each specific framework or technology, we consider best practices for integrating with Varnish. For example, in a Node.js application, we can implement a middleware layer to interface Varnish with the application, while for a Python application, we could integrate Varnish with WSGI or work together with frameworks like Django or Flask to optimize caching .

Our collaboration extends beyond the initial setup, providing ongoing optimization and technical support to ensure your application remains fast, scalable and secure over time, with Varnish as a key component in your custom site's caching and performance strategy .

First and foremost, Varnish requires a compatible operating system to function optimally. It is designed to run on various Unix-based operating systems, including Linux and FreeBSD. These systems provide a set of tools and features that Varnish can use to best express its performance. Your choice of operating system may depend on various factors, such as your familiarity with it, the hardware resources available, and the specific needs of your website or application.

Another fundamental prerequisite for using Varnish is a stable and reliable Internet connection. Varnish acts as an HTTP reverse proxy, thus handling requests to and from the web. A solid Internet connection is therefore essential to ensure that Varnish can interact effectively with web clients and servers.

Last but not least, installing and configuring Varnish requires some technical expertise. You must have a good understanding of Unix-based operating systems and the ability to execute commands from a shell. Setting up Varnish can be a complicated process that requires detailed knowledge of networks, HTTP protocols, and server performance. If these aspects seem difficult to you, you may consider the option of hiring a professional or using a specialized support service to help you install and configure Varnish.

Of course, Varnish is designed to be extremely flexible and therefore can be used with a variety of web servers, such as NGINX, Apache and IIS. When you integrate Varnish with a web server, it acts as an intermediary between the server and clients making requests to the website. This allows Varnish to cache server responses, so that subsequent requests for the same resources can be served more quickly, directly from Varnish's cache.

In the case of NGINX or Apache, which are especially popular on Linux platforms, integration is often considered easier due to extensive documentation and active developer communities. For example, you can use NGINX for SSL termination, while Varnish manages HTTP caching, providing a complete and performant system.

With IIS, which is a web server from Microsoft, integration can be a little more complex due to differences in operating system architectures. However, even in this scenario, it is entirely possible to make Varnish work with IIS to improve website performance and efficiency.

Each web server has its own specifics, so configuring Varnish may require unique steps for each case. But overall, Varnish's adaptability makes it a great addition to any web server, helping optimize performance and improve user experience.

On May 25, 2018, the new General Data Protection Regulation (GDPR) came into force, a regulation with which the European Commission intends to standardize the protection of personal data of citizens of the European Union. The regulation applies to all companies that process data of European citizens, even if they are not based within the Union. Managed Server delivers its services by correctly applying the provisions of the new legislation (EU Regulation 2016/679).

Disclaimer and legal notices: Varnish Cache® and Linux® are registered trademarks. In particular, Varnish Cache® is a registered trademark of Varnish Software, based in Nydalsveien 28, 0484 Oslo, Norway. Linux® is a registered trademark of Linus Torvalds in the United States and other countries. MANAGED SERVER SRL is not affiliated, sponsored, or otherwise associated with either Varnish Software or Linus Torvalds, and does not represent either of these entities in any way. All rights to the brands and product names mentioned are the property of their respective copyright holders.

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Managed Server Srl is a leading Italian player in providing advanced GNU/Linux system solutions oriented towards high performance. With a low-cost and predictable subscription model, we ensure that our customers have access to advanced technologies in hosting, dedicated servers and cloud services. In addition to this, we offer systems consultancy on Linux systems and specialized maintenance in DBMS, IT Security, Cloud and much more. We stand out for our expertise in hosting leading Open Source CMS such as WordPress, WooCommerce, Drupal, Prestashop, Joomla, OpenCart and Magento, supported by a high-level support and consultancy service suitable for Public Administration, SMEs and any size.

Red Hat, Inc. owns the rights to Red Hat®, RHEL®, RedHat Linux®, and CentOS®; AlmaLinux™ is a trademark of AlmaLinux OS Foundation; Rocky Linux® is a registered trademark of the Rocky Linux Foundation; SUSE® is a registered trademark of SUSE LLC; Canonical Ltd. owns the rights to Ubuntu®; Software in the Public Interest, Inc. holds the rights to Debian®; Linus Torvalds holds the rights to Linux®; FreeBSD® is a registered trademark of The FreeBSD Foundation; NetBSD® is a registered trademark of The NetBSD Foundation; OpenBSD® is a registered trademark of Theo de Raadt. Oracle Corporation owns the rights to Oracle®, MySQL®, and MyRocks®; Percona® is a registered trademark of Percona LLC; MariaDB® is a registered trademark of MariaDB Corporation Ab; REDIS® is a registered trademark of Redis Labs Ltd. F5 Networks, Inc. owns the rights to NGINX® and NGINX Plus®; Varnish® is a registered trademark of Varnish Software AB. Adobe Inc. holds the rights to Magento®; PrestaShop® is a registered trademark of PrestaShop SA; OpenCart® is a registered trademark of OpenCart Limited. Automattic Inc. owns the rights to WordPress®, WooCommerce®, and JetPack®; Open Source Matters, Inc. owns the rights to Joomla®; Dries Buytaert holds the rights to Drupal®. Amazon Web Services, Inc. holds the rights to AWS®; Google LLC holds the rights to Google Cloud™ and Chrome™; Microsoft Corporation holds the rights to Microsoft®, Azure®, and Internet Explorer®; Mozilla Foundation owns the rights to Firefox®. Apache® is a registered trademark of The Apache Software Foundation; PHP® is a registered trademark of the PHP Group. CloudFlare® is a registered trademark of Cloudflare, Inc.; NETSCOUT® is a registered trademark of NETSCOUT Systems Inc.; ElasticSearch®, LogStash®, and Kibana® are registered trademarks of Elastic NV Hetzner Online GmbH owns the rights to Hetzner®; OVHcloud is a registered trademark of OVH Groupe SAS; cPanel®, LLC owns the rights to cPanel®; Plesk® is a registered trademark of Plesk International GmbH; Facebook, Inc. owns the rights to Facebook®. This site is not affiliated, sponsored or otherwise associated with any of the entities mentioned above and does not represent any of these entities in any way. All rights to the brands and product names mentioned are the property of their respective copyright holders. Any other trademarks mentioned belong to their registrants. MANAGED SERVER® is a trademark registered at European level by MANAGED SERVER SRL, Via Enzo Ferrari, 9, 62012 Civitanova Marche (MC), Italy.

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