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ModPageSpeed 2.0: AVIF, WebP, and critical CSS — up to 69% less page weight on the live demo

Pick your integration. Install in a few minutes.

Install and run it unlicensed to evaluate — it fully optimizes either way. A commercial license is required for production use.

After install, open the admin console at /pagespeed_global_admin on your server, then activate a license you already own or purchase one from the same page.

ASP.NET Core

Two ways to optimize a .NET app: the ModPageSpeed 2.0 middleware runs in-process on Windows, Linux, and macOS; the mod_pagespeed 1.15 sidecar adds the nginx optimizer to a Kestrel app on Linux.

ModPageSpeed 2.0 for .NET

ASP.NET Core

NuGet middleware

Two lines in Program.cs add the optimization pipeline to any ASP.NET Core app. No separate sidecar, no Docker required. Runs in-process on Windows, Linux, and macOS.

.NET 8 or .NET 10, ASP.NET Core on Windows, Linux, or macOS.

Install guide

mod_pagespeed 1.15 for .NET

ASP.NET Core Sidecar Now GA

NuGet · Linux

Want the 1.x nginx module behavior under .NET? WeAmp.PageSpeed.Sidecar adds mod_pagespeed 1.15 to your Kestrel app via middleware, with a bundled nginx + ngx_pagespeed optimizer on loopback behind it. A single dotnet add package pulls the bundled engine.

.NET 8 or .NET 10 on Linux (linux-x64, linux-arm64).

Sidecar guide

Apache, nginx, and IIS

mod_pagespeed 1.15 runs as a native in-process module inside your HTTP server — no sidecar, no extra hop. Same ModPagespeed directives, same filters as open-source mod_pagespeed, actively maintained.

On nginx? Pick the 1.15 native module to run in-process inside your existing nginx. Pick the 2.0 Docker reverse proxy if you want container-native ops in front of any origin.

v1.15.0 see release notes

Apache

mod_pagespeed 1.15

Native module

apt-get install on Debian and Ubuntu. RPM for RHEL-family systems. Drop-in replacement for the open-source build.

Debian 11, Debian 12, Ubuntu 22.04, Ubuntu 24.04, RHEL 9, AlmaLinux 9, Rocky 9, Apache 2.4+

Install guide

nginx

mod_pagespeed 1.15

Native module

Prebuilt signed dynamic module via packages.modpagespeed.com / apt for Debian and Ubuntu, pinned to each distro's stock nginx. Loads alongside your existing nginx binary — no rebuild, no traffic detour.

Debian 11/12/13, Ubuntu 22.04/24.04, amd64 + arm64. Each module is pinned to its distro's exact stock nginx — running a different nginx version? Contact us for a matching build.

Install guide

IIS

mod_pagespeed 1.15

Native module

MSI installer for Windows Server. Enable in IIS Manager, iisreset, and the optimization pipeline is live.

Running IISpeed? Uninstall it first — both modules cannot coexist on the same host.

Windows Server 2019 or later, IIS 10+, x64

Install guide

nginx (Docker)

ModPageSpeed 2.0

Reverse proxy

Run the 2.0 worker as a Docker container in front of nginx. Same optimization pipeline, zero changes to your nginx binary or config.

Greenfield deployments and teams that prefer container-native ops should start here.

Any host with Docker 24+ (Linux, macOS, Windows). nginx version irrelevant — runs as a sidecar.

Install guide

Direct downloads

v1.15.0

Mirrored from our archive — no GitHub account needed. Verify with the published SHA256SUMS or the GPG signing key.

Apache

Prefer a managed repo? Use the signed apt / yum repository for one-line install and automatic updates. On cPanel, see the cPanel / EasyApache 4 guide.

IIS (Windows)

Each binary is GPG-signed; .asc next to every file (e.g. …msi.asc). nginx is GA — install it from the signed apt / yum repository. Need debug symbols? Contact us.

Two products. Pick by deployment fit.

Want a native HTTP-server module? mod_pagespeed 1.15 v1.15.0 covers Apache, nginx, IIS, and Envoy. ModPageSpeed 2.0 v2.0.20 integrates as ASP.NET Core middleware or an nginx reverse proxy.

IISpeed customer? Your free license transfers to either product. Stay native inside IIS with mod_pagespeed 1.15, or move to ModPageSpeed 2.0 for ASP.NET Core. Claim your free license.

How billing works

Pricing
License purchased through FastSpring from inside the product console. $49/server/month (monthly) or $39/server/month (billed annually). No per-request fees, no bandwidth metering.
Evaluation
Install and run unlicensed for as long as you need to evaluate — the product fully optimizes and adds an X-PageSpeed-Warn: unlicensed header. When you buy, the subscription is billed immediately through FastSpring. A commercial license is required for production use.
Activation
Ed25519-signed license token, delivered by email. Set it as an environment variable. Signature validation runs offline at startup; subscription state refreshes every 12 hours.
Hosting
Runs on your servers. No third-party proxy, no CDN dependency, no external service in your request path. Source publication under BSL 1.1 is on the roadmap.
See full pricing