DRUPAL DEVEL MODULE UPDATE
DRUPAL DEVEL MODULE OFFLINE

Will redirect user to /offline.html when he will try to reach / while offline. You can do this by changing a comment, hence the second line, which is actually some sort of cache version.Įntries after the mandatory line are URLs which browser will cache.įALLBACK are basically some sort of redirects. If you want to force the browser to re-cache the files, you also need to make a change in your manifest file. sites) require the user to be online.Īs you can see, # are comments.

DRUPAL DEVEL MODULE OFFLINE

# offline.html will be displayed if the user is offline Here is one example, which I shall explain below. appcache extensions.įor Apache2 simply add following line to your config: AddType text/cache-manifest.

DRUPAL DEVEL MODULE UPDATE

Please note that manifest file must be served as text/cache-manifest mime-type, which means that you might want to update your Apache2 or Nginx to return correct mime for. There’s a neat feature in Chrome, which allows you to manage browser’s cache, by visiting chrome://appcache-internals/. So, it is best to put only one resource for AppCache to cache. Please note that AppCache does not distinguish between GET variables and URL path, which means that “/some-url/?foo” and “/some-url/?bar” are from AppCache’s stand of view two different resources and will both be cached. Pages in your manifest file will also be cached, even if they do not have manifest attribute. Of course this attribute must be included on every page, which you want to be cached. To enable AppCache on any site, you need to include mentioned manifest file as an attribute to your HTML tag like this: This means that your web page will work even if a user loses internet connection and reloads the web page.Ĭache manifest file is a simple text file, which serves as a config file, where all resources, which the browser should cache for offline use, are listed.

It has some neat features such as push notifications, but more about it in one of our next posts.ĪppCache allows you, as a developer, to select which files a browser should cache, so they are available for the offline users. Actually, there is an alternative, which will eventually take AppCache’s place, but unfortunately it is not yet supported in all major browsers.

Moreover, for some time now it has been marked as deprecated, but basically no other real alternative exists. Of course, as any other software, it is not perfect and it has its gotchas. That solution is Application Cache or AppCache in short. Therefore, we need to find some solution with what we already have. A lot of us cannot afford to create a dedicated mobile app. Mobile apps are known to handle offline world very good with their native apps capability, which can cache basically all the assets whereas web applications are falling behind, losing this battle.

Drupal devel module