NGINX vs. Apache: Which web server is better for performance and scalability?
When comparing NGINX vs. Apache, architecture plays the biggest role. Here’s how the two web servers differ in terms of architecture, performance, flexibility, and security, so you can choose the option that best fits your hosting needs:
- Architecture. NGINX uses an event-driven worker model that manages multiple connections simultaneously. Apache relies on Multi-Processing Modules (MPMs), which create a thread or process for each connection.
- Performance. NGINX handles static content and high traffic more efficiently because it uses fewer resources. Apache performs similarly for dynamic content when configured properly.
- Flexibility. Apache supports .htaccess files for directory-level overrides and uses a wide range of dynamic modules. NGINX keeps everything in a centralized configuration, which improves performance but reduces per-directory control.
- Security. NGINX reduces risk by centralizing configuration and offering built-in rate limiting. Apache provides more granular control through modules such as mod_security.
Key differences between NGINX and Apache
| Feature | NGINX | Apache |
| Architecture | Event-driven and asynchronous | Multi-Processing Module (MPM)–based |
| Static performance | Excellent (fast, low memory use) | Good (higher resource usage) |
| Dynamic performance | Requires an external processor such as PHP-FPM | Native support through in-process modules |
| Flexibility | Limited due to centralized configuration | High flexibility with .htaccess support |
| Best use cases | High-traffic sites, reverse proxying, load balancing | Shared hosting, dynamic CMSs, custom configurations |
NGINX is better when you need to serve static files quickly or handle thousands of concurrent connections with minimal memory usage.
Apache is better when you need granular directory-level control or want to run dynamic applications without requiring additional services.
What are the advantages of using NGINX over Apache?
NGINX’s architecture delivers several performance and operational advantages:
- Superior performance and efficiency. NGINX uses a master-worker architecture, where each worker operates a single-threaded, non-blocking event loop. This lets it handle thousands of concurrent connections with minimal memory usage and helps solve the C10K problem, the challenge of supporting 10,000 simultaneous client connections that older server architectures struggled with.
- Faster static content delivery. NGINX serves static files much faster because its architecture is optimized for this task and doesn’t need to parse .htaccess files on every request. The performance gap becomes more noticeable as concurrent traffic increases.
- Lower resource consumption. Its efficient architecture reduces RAM and CPU usage, making NGINX a strong fit for containerized apps, cloud deployments, and hosting environments where resource usage affects operating costs.
- Scalability and load balancing. NGINX often works as a reverse proxy to distribute traffic across multiple backend servers. This setup improves reliability and performance under heavy load. Large platforms like Netflix use NGINX for this purpose.
- Stronger security defaults. NGINX offers stronger default security because its centralized configuration prevents users from unintentionally overriding critical settings through directory-level files.
What are the disadvantages of using NGINX over Apache?
NGINX’s performance-focused design does come with certain trade-offs:
- No native dynamic content processing. NGINX can’t process dynamic content such as PHP or Python on its own. It must pass these requests to an external interpreter like PHP-FPM, which adds configuration steps and increases complexity.
- Less flexibility. NGINX doesn’t support .htaccess files, so all configuration happens at the server level. This requires root access and a server reload whenever you make changes.
- Module compilation requirements. Although NGINX introduced dynamic module support in 2016, many third-party modules still require compiling NGINX from source. Apache avoids this issue because its modules load dynamically by default.
- Steeper learning curve. For beginners, the lack of .htaccess and the need to configure external processors for dynamic content make NGINX harder to set up than Apache.
What are the advantages of using Apache over NGINX?
Apache offers several advantages that stem from its modular, user-friendly architecture:
- Flexibility and ease of use. Apache’s .htaccess files allow decentralized, directory-level configuration. This gives users control over their site settings without editing the main server configuration.
- Rich module system. Apache includes a large set of modules that you can load dynamically. This makes customization easier and removes the need to recompile the server when adding new features.
- Dynamic content handling. Apache processes dynamic content natively. It’s often preferred for dynamic applications such as PHP because it can integrate processors directly into its worker processes through modules like mod_php.
- Well-suited for shared hosting. Apache fits shared hosting environments better because it lets multiple users manage their own site-level configurations without requiring root access.
- Broad operating system support. Apache offers mature, production-ready support on all major operating systems, including Windows, Linux, macOS, and other Unix variants. This makes it a strong choice for organizations with mixed infrastructure or Windows-based deployments that require cross-platform consistency.
What are the disadvantages of using Apache over NGINX?
Apache’s advantages create some challenges for high-concurrency and modern deployment scenarios:
- Higher resource consumption under concurrent load. Apache, particularly with older MPM configurations, uses more memory and CPU per connection than NGINX. While Event MPM significantly improves concurrency handling, Apache still typically consumes more resources under heavy load, especially when serving static files.
- More complex optimization. Achieving strong performance from Apache requires selecting the right MPM, configuring modules, and fine-tuning settings. Event MPM helps, but it still needs more setup than event-driven servers designed for high concurrency out of the box.
- .htaccess overhead. Apache must search for and parse .htaccess files in every parent directory on each request, even when those files don’t exist, which adds unnecessary filesystem lookups that centralized configuration avoids.
- Less aligned with modern infrastructure patterns. Apache is less common in containerized or microservices environments that rely on lightweight, high-concurrency servers for reverse proxying and load balancing.
Which one performs better: NGINX or Apache?
NGINX generally delivers better performance for static content and high-concurrency workloads, particularly at scale, while Apache, when configured with Event MPM and PHP-FPM, performs similarly for dynamic content.
NGINX uses an event-driven, asynchronous architecture. Each worker runs a single-threaded event loop that efficiently handles multiple connections and avoids blocking during slow operations, such as disk I/O.
Apache with older MPM configurations assigns a thread or process to each connection, which increases resource usage. Event MPM improves this with event-driven handling, though NGINX generally remains more efficient at scale.
For dynamic content, though, Apache with Event MPM and PHP-FPM performs close to NGINX with PHP-FPM because most processing time occurs in the PHP runtime, not the web server.
Is NGINX or Apache better for hosting high-traffic websites?
NGINX is better for hosting high-traffic websites. Its architecture is designed to handle connection spikes without exhausting system resources.
In scenarios like ecommerce sales or streaming events, where thousands of users connect at once, NGINX’s non-blocking design keeps the server responsive.
It manages connections efficiently and hands off heavy processing to backend services only when needed.
Apache, especially with older MPM configurations, can hit process or thread limits, causing new connections to wait until resources become available.
The Event MPM improves this, but NGINX still offers better large-scale concurrency with lower resource overhead.
Which server is more flexible, NGINX or Apache?
Apache is more flexible because it supports .htaccess files for directory-level configuration.
In Apache, a developer can place an .htaccess file in a specific directory to override global settings immediately, without server restarts or root access.
This matters for applications like WordPress, which depend on these files for permalink structures and many security plugins.
NGINX prioritizes performance over this level of flexibility. All configuration changes must be made in centralized files that require root access and a server reload to take effect.
While this approach is less flexible for end users, it improves performance by avoiding filesystem scans for configuration overrides on every request.
Which web server offers more modules and extensibility: NGINX or Apache?
Apache offers a broader and more accessible module system than NGINX.
Apache lets you install and enable hundreds of official modules dynamically. For example, you can enable mod_rewrite for URL rewriting or mod_headers for security headers.
These modules are plug-and-play: you install the package, enable the module, and restart Apache. No compilation is needed.
NGINX added dynamic module support in version 1.9.11, but adding many third-party modules still requires downloading the source code, configuring it with the desired modules, compiling it, and replacing your existing NGINX installation.
The commercial edition, NGINX Plus, offers more flexible module loading, but the open-source version most developers use remains more limited.
Which server has stronger security: NGINX or Apache?
Both NGINX and Apache offer strong security, but they take different approaches.
NGINX is often considered “secure by default” because it uses centralized configuration. Since it doesn’t process local configuration files like .htaccess, it removes the risk of a user accidentally weakening security in a subdirectory.
NGINX also includes built-in rate-limiting directives (limit_req_zone, limit_conn_zone) that can throttle requests per IP or connection.
These help mitigate certain DDoS patterns, though full DDoS protection still requires additional layers beyond the web server.
Apache relies more heavily on its module ecosystem. ModSecurity, the industry-standard open-source Web Application Firewall (WAF), was initially built for Apache.
It provides granular request inspection and blocking capabilities. Although ModSecurity now supports NGINX and IIS, it has the longest history with Apache and remains widely deployed in Apache environments.
However, .htaccess flexibility can become a liability if mismanaged, since a compromised file in a user directory can override security settings.
Does NGINX offer better support and community than Apache?
NGINX and Apache both offer strong support and active communities, so the better option depends on your preferred support channels and specific needs.
Apache has been a market leader for decades. It offers a vast library of third-party tutorials, a large user base, and extensive community resources that cover nearly every scenario.
The Apache HTTP Server documentation is comprehensive and reflects decades of real-world use. Beginners can often find Apache-specific answers quickly.
NGINX has a highly active and modern community. Its official documentation is widely praised for being cleaner, more up-to-date, and better organized than Apache’s.
NGINX also offers a commercial tier, NGINX Plus, which includes enterprise-grade support with guaranteed SLAs – something that Apache doesn’t provide as a foundation-led project.
For enterprises that require guaranteed support contracts, this difference can be significant.
When to use NGINX vs. Apache for different hosting projects
Use NGINX if:
- You’re running a high-traffic website that serves a large amount of static content (images, video, CSS).
- You need a reverse proxy or load balancer in front of applications like Node.js, Python, or Java.
- You’re comfortable managing server configurations from the command line with root access.
- You’re using containerized environments, such as Docker, where NGINX’s small footprint is a significant advantage.
- You need maximum performance for concurrent connections with minimal server resources.
Use Apache if:
- You’re on a shared hosting environment and need directory-level configuration control.
- You want the convenience of .htaccess files for quick configuration changes without root access.
- You’re running a CMS like WordPress and want the easiest setup without configuring external PHP processors.
- You rely on legacy applications that depend on specific Apache modules.
- You need broad operating system compatibility, including production-ready Windows support.
However, many advanced setups now use a hybrid approach by placing NGINX in front as a reverse proxy to handle client connections and static files, then passing dynamic requests to Apache on the backend.
This hybrid setup gives you NGINX’s speed and concurrency handling alongside Apache’s flexibility and mature module ecosystem.
It’s widely used by organizations that need high performance and compatibility with Apache-specific applications.
Hostinger virtual private server hosting supports both web servers, so you can install whichever fits your project – or even run them together.
If you’re ready to get started, check out our complete guide about how to set up a VPS and host your websites or apps on your server.
