Top "Expires-header" questions

a HTTP Response Entity Header Field that specifies the date and time after which a response should be considered stale

ETag vs Header Expires

I've looked around but haven't been able to figure out if I should use both an ETag and an Expires …

http caching etag expires-header
Add Expires headers

Add Expires headers There are 21 static components without a far-future expiration date. http://static.doers.lk/examples-offline.css http://static.…

html yslow expires-header
Setting expire headers for fonts not working

I am using the below code in my .htaccess file to try and set the expire headers for some fonts, …

apache .htaccess fonts webfonts expires-header
Adding Expires Headers and .htaccess

I'm trying to optimise a WordPress site of mine - Type & Music based on reports I've been getting from …

.htaccess optimization browser-cache expires-header
Why is "Expires" 1981?

My CRON Job returned an error that CRON job did not work. In that this was there: Set-Cookie: PHPSESSID=2t2…

php session expires-header
How to set expires headers to all images in a bucket in Amazon S3

We have around 10,000+ images in a bucket in Amazon S3, how can I set the expires header on all of …

amazon-s3 expires-header
How to Add Expires headers

I'm using this code in .htaccess <IfModule mod_expires.c> ExpiresActive on ExpiresDefault "access plus 1 month" ExpiresByType image/…

wordpress .htaccess expires-header w3-total-cache
IE 11 ignoring Cache Control header in response

I am setting Expires filter in web.xml of Tomcat. The header comes correctly in response but still IE is …

tomcat caching cache-control expires-header
Browser Won't Request Latest PDF from Server

I have a PDF on Windows Server IIS web server, where users request it with IE8/9/10 using HTTP call like …

internet-explorer pdf caching browser-cache expires-header
Expires header for Facebook JS SDK and Google Analytics

We all know adding a far-future expiration date to static resources is a good practice to increase our websites' page …

facebook google-analytics webserver pagespeed expires-header