Measure and optimize with mod_pagespeed experiments- Google Developers Blog
Jul 30, 2012

Summary
Introduces mod_pagespeed experiments, enabling A/B testing of page optimization strategies directly on the server. This allows for measuring the impact of various mod_pagespeed filters on user experience and performance metrics, facilitating data-driven optimization decisions.
More from the Website Optimization and Experimentation APIs trail
- Introducing Autotrack for analytics.js- Google Developers Blog
- IISpeed accelerates visitnapavalley.com, with PageSpeed optimization by Google- Google Developers Blog
- Crawling the infinite scroll- Google Developers Blog
- Measuring network performance with Resource Timing API- Google Developers Blog
- Speeding up mobile pages with mod_pagespeed and ngx_pagespeed- Google Developers Blog