How to cache js, or what else is necessary PageSpeed?

Hello, to test your website speed using Google PageSpeed Insight. Now he gives that we need to cache the scripts loading social buttons (picture below). I already made a htaccess caching like this article


How to cache these scripts? And anyway, what does he want? It is advisable to give examples of code.

Thank you!
September 26th 19 at 06:04
1 answer
September 26th 19 at 06:06
Alas, there's nothing you can do about it. These are the resources that are downloaded from your server and influencing caching you can't.
Thank you! - triston65 commented on September 26th 19 at 06:09

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