mod_pagespeed 1.1 Documentation
ModPageSpeed 2.0 docsEverything you need to install, configure, and run mod_pagespeed 1.1 on nginx, Apache, IIS, and Envoy.
Getting Started
What's New in 1.1
Everything that changed since Google's final 2020 release of mod_pagespeed. Security patches, Cyclone Cache, multi-platform support, and more.
Getting Started
Install mod_pagespeed 1.1 on nginx, Apache, IIS, or Envoy. Platform-specific setup instructions, verification steps, license activation, and next steps.
Upgrading from Open-Source
Step-by-step guide to replacing Google's open-source mod_pagespeed with the maintained 1.1 release. Drop-in compatible — keep your existing config.
Downloads & Licensing
Download mod_pagespeed 1.1 packages for nginx, Apache, IIS, and Envoy. Pre-built .deb, .rpm, and tar.gz binaries. 14-day free trial included.
Configuration
Configuration
Configure mod_pagespeed 1.1 for nginx, Apache, IIS, and Envoy. Module states, configuration directives, virtual hosts, and reverse proxy setup.
Filter Selection
Choose which mod_pagespeed 1.1 filters to enable. RewriteLevel presets, CoreFilters defaults, EnableFilters, DisableFilters, and tuning thresholds.
Domain Configuration
Authorize and map domains in mod_pagespeed 1.1. Domain authorization, MapOriginDomain, MapRewriteDomain, ShardDomain for nginx, Apache, IIS, and Envoy.
HTTPS Configuration
Configure HTTPS resource fetching in mod_pagespeed 1.1. FetchHttps with SSL certificates, MapOriginDomain to HTTP backend, and LoadFromFile.
Caching
Configure caching in mod_pagespeed 1.1. Cyclone Cache setup, shared memory metadata, memcached and Redis integration, cache purging, and IPRO.
Filters
Filters Overview
All mod_pagespeed 1.1 optimization filters organized by category. Image, CSS, JavaScript, HTML, and caching filters with quick descriptions.
Image Filters
Configure image optimization in mod_pagespeed 1.1. Recompression, format conversion, resizing, WebP transcoding, lazy loading, and responsive images.
CSS Filters
Configure CSS optimization filters in mod_pagespeed 1.1. Minification, combining, inlining, critical CSS extraction, and CSS restructuring.
JavaScript Filters
Configure JavaScript optimization in mod_pagespeed 1.1. Minification, combining, inlining, deferring execution, and source map preservation.
HTML Filters
Configure HTML optimization filters in mod_pagespeed 1.1. Whitespace removal, comment stripping, attribute elision, DNS prefetch, and resource preloading.
Caching & URL Filters
Configure cache extension and URL management filters in mod_pagespeed 1.1. Cache-extended URLs, domain rewriting, and resource instrumentation.
Operations
Admin Console
Access mod_pagespeed 1.1 admin pages for statistics, configuration inspection, cache management, and message history. Setup for nginx, Apache, and IIS.
Security
Security considerations for mod_pagespeed 1.1. Admin page access control, untrusted content, XSS prevention, cache poisoning, and domain authorization.
Troubleshooting
Diagnose and fix common mod_pagespeed 1.1 issues. Missing response headers, broken pages, 404 errors on optimized resources, cache problems, and debugging.
IIS
IIS Tuning
Optimize IIS performance alongside mod_pagespeed 1.1. Static vs dynamic gzip, MIME types, CDN integration, Application Request Routing, and TCP slow start.
IIS Configuration
The pagespeed.config file format for mod_pagespeed 1.1 on IIS. Directive syntax, path-based regex matching, server and site-level config, environment variables.
Reference
Filter Reference
Complete reference table of all 56 mod_pagespeed 1.1 filters. Names, categories, CoreFilter status, safety ratings, and descriptions at a glance.
Directive Index
Alphabetical reference of all mod_pagespeed 1.1 configuration directives with Apache and nginx syntax, default values, and links to full documentation.
Frequently Asked Questions
Frequently asked questions about mod_pagespeed 1.1. Installation, configuration, licensing, caching, troubleshooting, and 1.1 vs 2.0 comparison.