我使用 google pagespeed insight 分析了我的页面速度并得到了以下建议。任何人都可以帮助我如何实现它。
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://www.googletagmanager.com/gtm.js?id=GTM-TVSKP6 (16.2 minutes)