List of websites using Google PageSpeed

Turbo

Turbo is a JavaScript framework for building fast web applications.

Turbolinks

Turbolinks is a Rails feature, available as a gem and enabled by default in new Rails apps. It is intended to speed up navigating between pages of your application.

Autoptimize

Autoptimize is a WordPress plugin that optimises website performance by aggregating, minifying, and compressing HTML, CSS, and JavaScript files.

Azure Monitor

Azure Monitor collects monitoring telemetry from a variety of on-premises and Azure sources. Azure Monitor helps you maximise the availability and performance of your applications and services.

a3 Lazy Load

a3 Lazy Load is a mobile oriented, very simple to use plugin that will speed up sites page load speed.

mod_jk

Mod_jk is an Apache module used to connect the Tomcat servlet container with web servers such as Apache, iPlanet, Sun ONE (formerly Netscape) and even IIS using the Apache JServ Protocol. A web server waits for client HTTP requests.

mod_perl

Mod_perl is an optional module for the Apache HTTP server. It embeds a Perl interpreter into the Apache server. In addition to allowing Apache modules to be written in the Perl programming language, it allows the Apache web server to be dynamically configured by Perl programs.

mod_wsgi

mod_wsgi is an Apache HTTP Server module that provides a WSGI compliant interface for hosting Python based web applications under Apache.

LazySizes

LazySizes is a JavaScript library used to delay the loading of images (iframes, scripts, etc) until they come into view.

LazySizes unveilhooks plugin

LazySizes unveilhooks plugin extends lazySizes to lazyload scripts/widgets, background images, styles and video/audio elements.

LiteSpeed Cache

LiteSpeed Cache is an all-in-one site acceleration plugin for WordPress.

Lozad.js

Lozad.js is a lightweight lazy-loading library that's just 535 bytes minified & gzipped.