當PageSpeed Insights檢測到您正在使用同步版（而非異步版）腳本時，就會觸發(fā)此規(guī)則。

概覽

??? ????? ???? ???? ? ???? ????? ?? ????? ????? ??? ???? ?? ?? ??? ???? ? ???? ? ??? ???? ? ????. ???? ????? ????? ????? ???? ???.

雖然最初的大多數(shù)腳本是同步的，但較新版腳本均可實現(xiàn)異步加載。

建議

請確保您使用的是異步版腳本。以下熱門腳本均支持加載異步腳本：

• BuySellAds (s3.buysellads.com/ac/bsa.js):相關(guān)博文?- 默認情況下為異步腳本
• ChartBeat (static.chartbeat.com/js/chartbeat.js)：相關(guān)文檔、?? ???— ????? ???? ????
• Clicky (static.getclicky.com/js):?? ???
• Disqus (disqus.com/count.js, disqus.com/embed.js)：?? ??,相關(guān)博文?- 默認情況下為異步腳本
• Facebook (connect.facebook.net/.../all.js)：相關(guān)文檔、相關(guān)博文?- 默認情況下為異步腳本
• Google AdSense (pagead2.googlesyndication.com/pagead/show_ads.js) ：相關(guān)文檔、?? ???
• Google Analytics（分析）(google-analytics.com/ga.js)：相關(guān)文檔,?? ???— ????? ???? ????
• Google DFP廣告管理系統(tǒng)GPT (www.googletagservices.com/tag/js/gpt.js)：相關(guān)文檔
• Google+ (apis.google.com/js/plusone.js):相關(guān)文檔、相關(guān)博文
• New Relic (d7p9czrvs14ne.cloudfront.net/11/eum/rum.js):?? ???- 默認情況下為異步腳本
• Pinterest (assets.pinterest.com/js/pinit.js)：?? ??
• Shareaholic:相關(guān)文檔?- 默認情況下為異步腳本
• ShareThis (w.sharethis.com/button/buttons.js):相關(guān)文檔
• ScorecardResearch/Comscore (b.scorecardresearch.com/beacon.js):?? ??— ????? ???? ????
• StumbleUpon (platform.stumbleupon.com/.../widgets.js)
• Quantcast (quantserve.com/quant.js)：相關(guān)文檔?- 默認情況下為異步腳本
• ??? (platform.twitter.com/widgets.js):相關(guān)文檔?- 默認情況下為異步腳本
• Tynt (cdn.tynt.com/tc.js)
• Yandex (mc.yandex.ru/metrika/watch.js)

Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 3.0 License, and code samples are licensed under the?Apache 2.0 License. For details, see ourSite Policies.