We are currently working in a private beta and so are still in the process of making fairly rapid changes, although obviously as usage is starting to ramp up, we will be slowing down this process. That being said, one issue we are running into is that after we push out an update with new JavaScript files, the client browsers still use the cached version of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrlF5 refresh to ensure that they get the up-to-date files from the server, but it would be preferable to handle this before that time. Our current thought is to simply attach a version number onto the name of the JavaScript files and then when changes are made, increment the version on the script and update all references. This definitely gets the job done, but updating the references on each release could get cumbersome. caching - How can I force clients to refresh JavaScript files caching - How can I force clients to refresh JavaScript files
It is up to the browser but they behave in similar ways. I have tested FF, IE7, Opera and Chrome. F5 usually updates the page only if it is modified. The browser usually tries to use all types of cache as much as possible and adds an "If-modified-since" header to the request. Opera differs by sending a "Cache-Control: no-cache". CTRL-F5 is used to force an update, disregarding any cache. http - What requests do browsers' "F5" and "Ctrl + F5" refreshes generate http - What requests do browsers' "F5" and "Ctrl + F5" refreshes generate
Static resource caching and cache-busting with ASP.NET MVC and AppHarbor | Eli Thompson's Blog Static resource caching and cache-busting with ASP.NET MVC and AppHarbor | Eli Thompson's Blog Serving static content (javascript, css, images) with headers specifying long cache expirations is easy. However, cache-busting those is hard. In this post, I’ll show how to deliver static content with cache-busting URLs.
ASP.NET (MVC) Serving images ASP.NET (MVC) Serving images I am creating a MVC 3 application (although just as applicable to other technologies e.g. ASP.NET Forms) and was just wondering if it is feasible (performance wise) to serve images from code rather than using the direct virtual path (like usual). The idea is that I improve the common method of serving files to:
HTTP ETag HTTP ETag The ETag or entity tag is part of HTTP, the protocol for the World Wide Web. It is one of several mechanisms that HTTP provides for web cache validation, and which allows a client to make conditional requests. This allows caches to be more efficient, and saves bandwidth, as a web server does not need to send a full response if the content has not changed. ETags can also be used for optimistic concurrency control,[1] as a way to help prevent simultaneous updates of a resource from overwriting each other. Deployment risks[edit] The use of ETags in the HTTP header is optional (not mandatory as with some other fields of the HTTP 1.1 header).
Jab2 - Static File Caching -Topten Software Jab2 - Static File Caching -Topten Software Jab stores all static files in it's database and has an MVC action to serve those files. See my previous posts on File Management and Folder Support for more on how this looks from a user perspective. Today I noticed/remembered that I at the time I didn't correctly setup caching for these files. By default ASP.NET MVC only provides caching for static files coming off the file system.
Friday, March 28, 2008 3:12 AM Kazi Manzur Rashid Caching plays a major role in developing highly scalable web applications. We can cache any http get request in the user browser for a predefined time, if the user request the same URL in that predefined time the response will be loaded from the browser cache instead of the server. You can archive the same in ASP.NET MVC application with the following action filter: using System; using System.Web; using System.Web.Mvc; public class CacheFilterAttribute : ActionFilterAttribute { /// <summary> /// Gets or sets the cache duration in seconds. The default is 10 seconds. /// </summary> /// <value>The cache duration in seconds. Implementing Caching and Compression Action Filter Implementing Caching and Compression Action Filter
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