Partial download video file

Ideally, when a download successfully completes, the partial downloaded file will be renamed or copied as the final download file. A partially downloaded file can be resumed for downloading if some key file information can be retrieved. There are also errors when a partial download file is opened and the download cannot be resumed. There are a few pieces of data that are essential to the "health" of a partially downloaded file.

The integrity of the data decides if a file can be resumed for downloading. Target File Name : the name of the final download file. It is usually identical to the name of its matching partial file, just short of the. Target File Path : the full directory path, in which the final download file is stored. It is usually the same as where a matching partial download file is located, if the latter hasn't been moved around.

Having download errors or interruptions? It is highly recommended that you optimize the speed of your PC and Internet connection. With an optimized PC and faster Internet speed, you will enjoy smoother web browsing experience, shorter file download time, and less download interruptions.

Learn how to speed up your PC and Internet. Ultra File Opener uses a proprietary technology to extract file information from partially downloaded files.

This involves querying information from the web browser that generates partial files. Nevertheless, errors occur if one of the following circumstances exists:. Cause 1 - File location was changed : if a partial file wasn't opened from its original location, for instance, it was copied or moved to a new location, then the Target File Path can be wrong or completely nonexistent. Cause 2 - Browser download record was cleared : a partial download can be resumed if its download record entry still exists within the download manager.

There are a few reasons why a partial or incomplete download may occur. Depending on the issue, you may not be able to resolve it on your side, as a client, and vice-versa for server administrators.

Some browsers are better suited for resuming partial downloads than others. In any case, we've listed three browsers below that allow you to resume partial downloads either via a plugin, a partial file, or by using a combination of techniques.

As a web developer, if you need to further analyze the partial downloads that are occurring on your site you should always look to the logs for more information. The same goes for further analyzing partial or incomplete downloads via KeyCDN.

If you require more information, enable our log forwarding feature to enable Syslog to receive your raw logs in real time. With this information, you'll be able to more accurately determine the number of partial downloads by analyzing the HTTP status codes, see how many bytes were sent, and more. Visit our raw log format page to learn more about the types of log fields which are displayed.

An example log entry of a partial content response would look like the following note the HTTP status :. With Internet speeds these days, partial or incomplete downloads aren't as big of a problem they used to be. If an interruption occurs, in most cases it's fine to just restart the download. However, if the file is very large or if your Internet connection is slow or spotty, it might be useful to use a web browser that supports partial file resumption.

What are byte-range requests?