Comparison Google PageSpeed vs Varnish

Google PageSpeed Insights (PSI) is a Google service available for use on both desktops and smartphones. It provides detailed reports on the performance of the web pages. Its objective is to help empower its user base to optimize the performance of its web pages. It gives users access to lab data and field data along with real-user experience data. Google PageSpeed Insights provides users with an accurate assessment of the performance of the webpages based on three classifications, namely, good, needs improvement and poor. It provides vital performance signals along with performance diagnostics through ‘Lighthouse’. It provides information on the audits passed by the page as well.

Varnish is a software development company based in Stockholm, Sweden. It was founded in 2010. It mainly works with content providers to provide optimization of online experiences for their audiences. Varnish has different pricing plans available and it also provides customized pricing. Varnish provides a caching technology along with an HTTP accelerator to help content providers face the common issues encountered in their field. It comes with an API as well. Varnish is designed to help content providers deliver high-quality UX. It gives them a higher degree of control by way of the Varnish Private CDN. It is also available in the form of Varnish Edge Cloud.