[null,null,["上次更新時間:2024-09-04 (世界標準時間)。"],[[["This PageSpeed Insights rule is triggered when additional network round trips are needed to render above-the-fold content."],["To optimize, prioritize loading critical above-the-fold content first by restructuring HTML and reducing resource sizes."],["Reduce data size by minifying resources, using CSS instead of images where possible, and enabling compression."],["This documentation refers to a deprecated version of PageSpeed Insights API; the latest version is 5."]]],["The core issue addressed is the delay in page loading caused by excessive data transfer required to render above-the-fold content. Key actions include structuring HTML to prioritize critical content, loading it first, and deferring non-essential parts. Recommendations involve reducing data size by minifying resources (HTML, CSS, JavaScript), using CSS instead of images when feasible, and enabling compression. The document advises optimizing content loading to avoid additional network round trips and improve page speed.\n"]]