我使用谷歌页面速度洞察分析了我的页面速度,并得到了以下建议。有人可以帮助我如何实施它吗?
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)