Apr 2, 2026 · Written by: Netspare Team
Nginx vs Apache for Reverse Proxy, PHP, and Static File Serving
Nginx uses an event-driven worker model suited to many concurrent keep-alive connections with modest memory. Apache’s process/thread MPMs shine when .htaccess per-directory overrides are mandatory for shared hosting.
Modern PHP deployments typically use php-fpm behind either web server; the choice is often operational familiarity and config style, not raw throughput alone.
Concurrency models
C10K-class workloads historically favored nginx’s async model; Apache event MPM narrowed the gap but tuning differs.
Slow clients can tie up Apache worker threads; nginx buffers upstream more gracefully in reverse proxy mode—still monitor upstream timeouts.
.htaccess and shared hosting
AllowOverride enables per-directory rules without server reload—great for multi-tenant cheap hosting, expensive on high-traffic sites due to per-request directory scans.
If you control the full vhost, prefer explicit config includes over deep .htaccess chains.
Reverse proxy patterns
- Terminate TLS at nginx, HTTP/2 to clients, HTTP/1.1 or HTTP/2 to upstream app servers.
- Set `X-Forwarded-*` headers carefully; apps must trust proxies only from known IPs.
- WebSocket upgrades need explicit proxy headers in both servers.
Static files and caching headers
Serve immutable assets with long `Cache-Control: max-age` and fingerprinted filenames; HTML stays short TTL.
Compare `sendfile` and `aio` behavior on your filesystem when benchmarking static throughput.
Frequently asked questions
Apache obsolete?
Both together?
Netspare Team
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