PageSpeed: Preconnect to Required Origin

Pages with key requests that aren’t yet prioritising fetch requests with link rel=preconnect to establish early connections to important third-party origins. Establishing connections often involves significant time in slow networks.

How to Analyse in the SEO Spider

To populate this filter the PageSpeed Insights API must be connected via ‘Config > API Access > PSI’.

View URLs with this issue in the ‘PageSpeed’ tab and filter and use the lower ‘PageSpeed Details’ tab to click on the issue on the left-hand side, and see details of the third-party origins on the right-hand side.

What Triggers This Issue

This issue is triggered when pages have key requests that are not prioritising fetch requests using link rel=”preconnect” to establish early connections to important third-party origins.

How To Fix

Consider adding preconnect or dns-prefetch resource hints to establish early connections to important third-party origins. In general, try to use <link rel=”preload”>, as it’s a more comprehensive performance tweak.