Cookie, Privacy & Data Storage Details

The View GPX page processes your GPX files locally on your device. It works by copying your chosen file to your web browser's session storage which makes it available to be examined by the site code. These copies are automatically deleted by your browser when you leave the site. However, if you view your own British GPX file in an OS map, then the latitude and longitude data inside your file is sent to my server to have accurate OS Terrain 50 elevation data added to it. This data is entirely anonymous—it has nothing personally identifiable in it, no file name, no track or route name, no metadata of any sort, and is immediately deleted after the elevations have been obtained.

I also use the following features to help the site run:

• If you choose to save your line style preferences when viewing GPX files on maps, a cookie is created to remember your choice of line colour, width, and opacity. The cookie lasts for 30 days. If you view another GPX track within that period, the cookie will be extended for another 30 days. After 30 days of inactivity, the cookie will expire.
• My photo album is a Piwigo photo album. If you go there it will create and use its own temporary session cookies.

None of the features above store any personally identifiable information, and there are no trackers of any sort in the site code. However, I do maintain an anonymous web server log of page hits and visitor numbers so that I can keep an eye on my web server load.