I want my JavaScript that's referenced through <script> tags, my css, and various graphic files to be cached on the user browser for a given release of my site.  However, when I release an update to a file, I would like to ensure that the n...

I'm trying to load a Google Maps v3 that shows 5000 markers clickable. My JS contains 10 lines per place:                var myLatlng_4821 = new google.maps.LatLng(43.0754329,-71.4699752);               var contentString_4821 =  "<b>Pla...

@tools.pingdom.com I get a warning in leverage cache-control because of these resources:  http://code.jquery.com/jquery-1.6.2.min.js http://www.google-analytics.com/ga.js http://edge.sharethis.com/images/spinner.gif http://w.sharethis.com/button/butt...

Is there a way to force the clients of a webpage to reload the cache (i.e. images, javascript, etc) after a server has been pushed an update to the code base?  We get a lot of help desk calls asking why certain functionality no longer works.  A simpl...

I just discovered that Chrome doesn't cache images which are placed inside SVGs if their cache-control header is set to no-cache. Firefox & IE10 seem to ignore this setting.  I've created a little test page with a static SVG:  HTML:  <...

I'd like to create a button on my site that COMPLETELY clears my cache. As neither Safari's nor Chrome's features work at all it seems. Is this possible?...

Prelude  My Web-Application (Keywords: HTML, JavaScript, jQuery; Has to work in: IE8+, Chrome, FF) has to present live image data from a kind-of-WebCam. This "WebCam" integrates a webserver providing the live image data as BMP.  The image dat...

I have a mostly static HTML website served from CDN (plus a bit of AJAX to the server), and do want user's browsers to cache everything, until I update any files and then I want the user's browsers to get the new version.  How do I do achieve...

Take a look at the script they use for their widgets:  http://platform.linkedin.com/in.js  You see a cache-control with a very high number (right now: Cache-Control:max-age=29326).  So what happens if they screw up with a release, and everyone is stu...

When I go back with IE 8 I get the error     "Webpage has expired           Most likely cause: •The local copy of this webpage is out of date,   and the website requires that you   download it again.        What you can try:         Click on th...