Improve Speed Index
Overview
Speed Index (SI) is a metric that measures how fast your page is visually complete above-the-fold (what you can see without scrolling).
SI is a calculation that reflects your visitor’s page experience utilizing a frame-by-frame analysis of your page’s load behaviour.
How to improve Speed Index?
Most performance optimizations that result in a faster First Contentful Paint and Largest Contentful Paint are also likely to result in a faster Speed Index for your page.
Some of the optimizations here include:
- Reducing JavaScript execution time
- Minimizing main-thread work
- Replacing large JavaScript libraries with smaller alternatives
- Removing unused JavaScript
- Reducing the impact of third-party code
How to improve Speed Index with Staq
Under Staq Hosting > JavaScript > Site Optimizer you will see numerous opportunities to improve Speed Index such as Minify Javascript files, Minify JavaScript files, Combine all JavaScript etc.
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