SEO線上AI規劃器
By default, references to external JavaScript files will block the page from rendering while they are fetched and executed. Often, these files can be loaded in a different manner, freeing up the page to visually render sooner.
When files block the main thread, users are unable to interact with the page content. Typically, parsing and executing large JavaScript files, as well as running long JavaScript tasks can block the main thread and should be avoided. These files had high thread blocking times:
建議你縮短剖析、編譯及執行 JavaScript 所耗費的時間。提供較小的 JavaScript 酬載可能會有幫助。
網頁的資源過多，因此妨礙了首次顯示畫面的時間。建議你先載入重要的內嵌 JavaScript/CSS，並延後載入不重要的 JavaScript/樣式。
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