: Leverage Browser Caching - third party resources I am optimising a website based on PageSpeed Insights guidelines. And one of the points is to Leverage Browser Caching. And in this case - for

I am optimising

And in this case
I already added this
# Expires headers
<IfModule mod_expires.c>
ExpiresActive on

ExpiresDefault
# cache.appcache needs ExpiresByType text/cache-manifest
# Your document html
ExpiresByType text/html
# Data
ExpiresByType text/xml ExpiresByType application/xml ExpiresByType application/json
# Feed
ExpiresByType application/rss+xml ExpiresByType application/atom+xml
# Favicon (cannot be renamed)
ExpiresByType image/x-icon
# Media: images, video, audio
ExpiresByType image/gif ExpiresByType image/png ExpiresByType image/jpeg ExpiresByType video/ogg ExpiresByType audio/ogg ExpiresByType video/mp4 ExpiresByType video/webm
# HTC files
ExpiresByType text/x-component
# Webfonts
ExpiresByType application/x-font-ttf ExpiresByType font/opentype ExpiresByType application/x-font-woff ExpiresByType application/x-font-woff2 ExpiresByType image/svg+xml ExpiresByType application/v
# CSS and JavaScript
ExpiresByType text/css ExpiresByType application/javascript
</IfModule>

What should i add a website based on PageSpeed Insights guidelines. And one of the points is to Leverage Browser Caching.
- for the third party resources - like Google Analytics and Tag Manager.
code to .htaccess file:
"access plus 2 days"
re-requests in FF 3.6
"access plus 0 seconds"
"access plus 0 seconds"
"access plus 0 seconds"
"access plus 0 seconds"
"access plus 0 seconds"
"access plus 1 hour"
"access plus 1 hour"
"access plus 1 week"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
"access plus 1 month"
nd.ms-fontobject "access plus 1 month"
"access plus 1 year"
"access plus 1 year"
to this code? And what is the recommended period for browser caching for Google Analytics and Google Tag Manager?

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@Jamie184

As @TimFountain says, you have "no control" over resources served from a third party. The request goes to the third party server, not your server - so any code you place on your server is simply never processed when the third party resource is requested.

Google Analytics and Tag Manager are served from Google's servers. Only Google controls Google's servers!

However, if Google has decided not to cache these resources then there may be a very good reason why it has chosen not to do so. Not everything should be cached.

Attempting to implement caching on these "Google" resources (perhaps by serving these resources from your own server instead - not recommended) - whilst satisfying the PageSpeed test - could have a negative effect on your user experience and Analytics data. The PageSpeed tool is a guide only. You shouldn't blindly accept the recommendations.

This question over on StatckOverflow specifically discusses Google Analytics and PageSpeed Insights:

stackoverflow.com/questions/29162881/pagespeed-insights-99-100-because-of-google-analytics-how-can-i-cache-ga

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@Cooney921

Your htaccess rules will only affect assets served from your server. There is nothing you can do to affect caching of assets served from third party servers - you have no control over these.

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: Leverage Browser Caching - third party resources I am optimising a website based on PageSpeed Insights guidelines. And one of the points is to Leverage Browser Caching. And in this case - for

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